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  • Product Name: Tribufos
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  • Purity: 98.0%
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  • Contact: Tony Cao

78-48-8

78-48-8 structure
78-48-8 structure
  • Name: TRIBUFOS
  • Chemical Name: tribufos
  • CAS Number: 78-48-8
  • Molecular Formula: C12H27OPS3
  • Molecular Weight: 314.511
  • Create Date: 2018-09-13 18:43:24
  • Modify Date: 2024-01-02 16:02:36
  • Tribufos is used in pesticide formulations and is classified as an insect growth regulator (1,2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.

Name tribufos
Synonyms S,S,S-Tributyltrithiophosphat
DEF
DEF 6
Fosfall
Phosphorotrithioic acid, S,S,S-tributyl ester
S,S,S-Tributyl phosphorotrithioate
trithiophosphoric acid tri-S-butyl ester
TBTP
Butiphos
1,2,4-Tributylphosphorotrithioate
TRIBUFOS
Chemagro 1776
Butifos
Merphos oxide
tuoyelin
DEGREEN
B-1,776
EINECS 201-120-8
Density 1.1±0.1 g/cm3
Boiling Point 407.8±28.0 °C at 760 mmHg
Melting Point Below -25ºC
Molecular Formula C12H27OPS3
Molecular Weight 314.511
Flash Point 200.4±24.0 °C
Exact Mass 314.096161
PSA 102.78000
LogP 3.23
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.517

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name: 1,2,4-Tributyl phosphorotrithioate
REACH No.: A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
CAS-No.: 78-48-8
Relevant identified uses of the substance or mixture and uses advised against
Identified uses: Laboratory chemicals, Manufacture of substances



SECTION 2: Hazards identification
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, Oral (Category 3), H301
Acute toxicity, Dermal (Category 2), H310
Acute aquatic toxicity (Category 1), H400
Chronic aquatic toxicity (Category 1), H410
For the full text of the H-Statements mentioned in this Section, see Section 16.
Classification according to EU Directives 67/548/EEC or 1999/45/EC
T ToxicR24/25
N Dangerous for theR50/53
environment
For the full text of the R-phrases mentioned in this Section, see Section 16.
Label elements
Labelling according Regulation (EC) No 1272/2008
Pictogram
Signal wordDanger
Hazard statement(s)
H301Toxic if swallowed.
H310Fatal in contact with skin.
H410Very toxic to aquatic life with long lasting effects.
Precautionary statement(s)
P273Avoid release to the environment.
P280Wear protective gloves/ protective clothing.
P301 + P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/
physician.
P302 + P350IF ON SKIN: Gently wash with plenty of soap and water.
P310Immediately call a POISON CENTER or doctor/ physician.
P501Dispose of contents/ container to an approved waste disposal plant.
Supplemental Hazardnone
Statements
Other hazards - none

SECTION 3: Composition/information on ingredients
Substances
Synonyms: 1,2,4-Tributyl phosphorotrithioate
CAS-No.: 78-48-8
EC-No.: 201-120-8
Hazardous ingredients according to Regulation (EC) No 1272/2008
ComponentClassificationConcentration
S,S,S-Tributylphosphorotrithioate
CAS-No.78-48-8Acute Tox. 3; Acute Tox. 2; <= 100 %
EC-No.201-120-8Aquatic Acute 1; Aquatic
Chronic 1; H301, H310, H410
Hazardous ingredients according to Directive 1999/45/EC
ComponentClassificationConcentration
S,S,S-Tributylphosphorotrithioate
CAS-No.78-48-8T, N, R24/25 - R50/53<= 100 %
EC-No.201-120-8
For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

SECTION 4: First aid measures
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Take victim immediately to hospital. Consult a physician.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
no data available

SECTION 5: Firefighting measures
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
no data available
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Wear respiratory protection. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure
adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
For personal protection see section 8.
Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the
environment must be avoided.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

SECTION 7: Handling and storage
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire
protection.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling
the product.
Personal protective equipment
Eye/face protection
Face shield and safety glasses Use equipment for eye protection tested and approved under
appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Where risk assessment shows air-purifying respirators are appropriate use a full-face particle
respirator type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering
controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use
respirators and components tested and approved under appropriate government standards such
as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into
the environment must be avoided.

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) AppearanceForm: solid
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezingno data available
point
f) Initial boiling point and no data available
boiling range
g) Flash pointno data available
h) Evapouration rateno data available
i) Flammability (solid, gas) no data available
j) Upper/lowerno data available
flammability or
explosive limits
k) Vapour pressureno data available
l) Vapour densityno data available
m) Relative densityno data available
n) Water solubilityno data available
o) Partition coefficient: n- no data available
octanol/water
p) Auto-ignitionno data available
temperature
q) Decompositionno data available
temperature
r) Viscosityno data available
s) Explosive propertiesno data available
t) Oxidizing propertiesno data available
Other safety information
no data available

SECTION 10: Stability and reactivity
Reactivity
no data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
no data available
Hazardous decomposition products
In the event of fire: see section 5

SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
LD50 Oral - rat - 150 mg/kg
LD50 Dermal - rabbit - 97 mg/kg
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitisation
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC:No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
Reproductive toxicity - rat - Oral
Maternal Effects: Ovaries, fallopian tubes. Maternal Effects: Uterus, cervix, vagina.
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Additional Information
RTECS: TG5425000

SECTION 12: Ecological information
Toxicity
Toxicity to fishLC50 - Oncorhynchus mykiss (rainbow trout) - 0,31 mg/l - 96 h
Toxicity to daphnia and EC50 - Daphnia magna (Water flea) - 0,007 mg/l - 48 h
other aquatic
invertebrates
Persistence and degradability
no data available
Bioaccumulative potential
BioaccumulationOncorhynchus mykiss (rainbow trout) - 60 d
- 1,2 µg/l
Bioconcentration factor (BCF): 1.084
Mobility in soil
no data available
Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
Other adverse effects
Very toxic to aquatic life with long lasting effects.
no data available

SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed
professional waste disposal service to dispose of this material. Dissolve or mix the material with a
combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.

SECTION 14: Transport information
UN number
ADR/RID: 2811IMDG: 2811IATA: 2811
UN proper shipping name
ADR/RID: TOXIC SOLID, ORGANIC, N.O.S. (S,S,S-Tributylphosphorotrithioate)
IMDG: TOXIC SOLID, ORGANIC, N.O.S. (S,S,S-Tributylphosphorotrithioate)
IATA:Toxic solid, organic, n.o.s. (S,S,S-Tributylphosphorotrithioate)
Transport hazard class(es)
ADR/RID: 6.1IMDG: 6.1IATA: 6.1
Packaging group
ADR/RID: IIIMDG: IIIATA: II
Environmental hazards
ADR/RID: noIMDG Marine pollutant: yesIATA: no
Special precautions for user
no data available

SECTION 15: Regulatory information
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
no data available
Chemical Safety Assessment
For this product a chemical safety assessment was not carried out

SECTION 16: Other information
Full text of H-Statements referred to under sections 2 and 3.
Acute Tox.Acute toxicity
Aquatic AcuteAcute aquatic toxicity
Aquatic ChronicChronic aquatic toxicity
H301Toxic if swallowed.
H310Fatal in contact with skin.
H400Very toxic to aquatic life.
H410Very toxic to aquatic life with long lasting effects.
Full text of R-phrases referred to under sections 2 and 3
NDangerous for the environment
TToxic
R24/25Toxic in contact with skin and if swallowed.
R50/53Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic
environment.
Further information
Copyright 2014 Co. LLC. License granted to make unlimited paper copies for internal use
only.
The above information is believed to be correct but does not purport to be all inclusive and shall be
used only as a guide. The information in this document is based on the present state of our knowledge
and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Corporation and its Affiliates shall not be held
liable for any damage resulting from handling or from contact with the above product. See
and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TG5425000
CHEMICAL NAME :
Phosphorotrithioic acid, S,S,S-tributyl ester
CAS REGISTRY NUMBER :
78-48-8
LAST UPDATED :
199710
DATA ITEMS CITED :
22
MOLECULAR FORMULA :
C12-H27-O-P-S3
MOLECULAR WEIGHT :
314.54
WISWESSER LINE NOTATION :
4SPO&S4&S4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 14,515,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
168 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
WRPCA2 World Review of Pest Control. (London, UK) V.1-10, 1962-71. Discontinued. Volume(issue)/page/year: 9,119,1970
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
210 mg/kg
TOXIC EFFECTS :
Behavioral - rigidity (including catalepsy) Behavioral - irritability Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 20,161,1959
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
77 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1188,1986
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3804 mg/m3/1H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,199,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
285 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 12,73,1963
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
242 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold Kidney, Ureter, Bladder - incontinence
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 11(4),11,1967
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
97 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,44,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
140 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,44,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Behavioral - rigidity (including catalepsy) Behavioral - irritability Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 20,161,1959
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Spinal Cord - demyelination Behavioral - ataxia
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 48,A195,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
170 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971 Volume(issue)/page/year: -,376,1971 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1230 mg/kg/43W-I
TOXIC EFFECTS :
Gastrointestinal - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other hydrolases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - peptidases
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 38,96,1975
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4535 mg/kg/17W-I
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 11(4),11,1967
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
350 ug/m3/24H/95D-C
TOXIC EFFECTS :
Behavioral - muscle contraction or spasticity Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 33(12),8,1968
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
1800 mg/kg/90D-C
TOXIC EFFECTS :
Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - ataxia Related to Chronic Data - death
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 14,229,1979 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
216 mg/kg
SEX/DURATION :
female 8 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
MZUZA8 Meditsinskii Zhurnal Uzbekistana. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) No.1- 1957- Volume(issue)/page/year: (2),48,1980 *** REVIEWS *** TOXICOLOGY REVIEW MZUZA8 Meditsinskii Zhurnal Uzbekistana. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) No.1- 1957- Volume(issue)/page/year: (8),90,1973 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989
Symbol GHS06 GHS09
GHS06, GHS09
Signal Word Danger
Hazard Statements H301-H310-H410
Precautionary Statements P273-P280-P301 + P310-P302 + P350-P310-P501
Hazard Codes T: Toxic;
Risk Phrases R24/25
Safety Phrases S45;S36/S37
RIDADR UN 2811
Packaging Group II
Hazard Class 6.1(a)

~%

78-48-8 structure

78-48-8

Literature: Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , p. 1799 - 1805