Tributyltin oxide
Names
[ CAS No. ]:
56-35-9
[ Name ]:
Tributyltin oxide
[Synonym ]:
Hexabutyldistannoxane
MFCD00009418
Tributyltin oxide
Distannoxane, 1,1,1,3,3,3-hexabutyl-
tributyl(tributylstannyloxy)stannane
EINECS 200-268-0
Bis(tri-n-butyltin) oxide
BTO
bis(tributyltin) oxide
TBTO
Chemical & Physical Properties
[ Density]:
1.17 g/mL at 25 °C(lit.)
[ Boiling Point ]:
474.8±28.0 °C at 760 mmHg
[ Melting Point ]:
-45°C
[ Molecular Formula ]:
C24H54OSn2
[ Molecular Weight ]:
596.105
[ Flash Point ]:
241.0±24.0 °C
[ Exact Mass ]:
598.221863
[ PSA ]:
9.23000
[ LogP ]:
5.02
[ Vapour Pressure ]:
0.0±1.1 mmHg at 25°C
[ Index of Refraction ]:
n20/D 1.486(lit.)
[ Water Solubility ]:
INSOLUBLE
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- JN8750000
- CHEMICAL NAME :
- Distannoxane, hexabutyl-
- CAS REGISTRY NUMBER :
- 56-35-9
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 69
- MOLECULAR FORMULA :
- C24-H54-O-Sn2
- MOLECULAR WEIGHT :
- 596.16
- WISWESSER LINE NOTATION :
- 4-SN-4&4&O-SN-4&4&4
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 87 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 5 mg/kg
- TOXIC EFFECTS :
- Behavioral - coma Gastrointestinal - alteration in gastric secretion Nutritional and Gross Metabolic - other changes
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 55 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 163 mg/kg
- TOXIC EFFECTS :
- Behavioral - altered sleep time (including change in righting reflex) Behavioral - changes in motor activity (specific assay) Kidney, Ureter, Bladder - other changes
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 12500 ug/kg
- TOXIC EFFECTS :
- Nutritional and Gross Metabolic - body temperature decrease
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 6 mg/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - other changes
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 900 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - acute pulmonary edema Gastrointestinal - hypermotility, diarrhea
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 200 mg/m3
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold Behavioral - aggression Lungs, Thorax, or Respiration - dyspnea
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3360 mg/kg/6W-C
- TOXIC EFFECTS :
- Endocrine - changes in thymus weight Blood - changes in spleen Immunological Including Allergic - decreased immune response
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 390 mg/kg/26W-I
- TOXIC EFFECTS :
- Endocrine - other changes Endocrine - changes in pituitary weight Endocrine - changes in thymus weight
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 462 mg/kg/22W-C
- TOXIC EFFECTS :
- Endocrine - changes in thymus weight Immunological Including Allergic - decreased immune response
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1400 mg/kg/28D-C
- TOXIC EFFECTS :
- Endocrine - other changes Endocrine - changes in spleen weight
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1700 mg/kg/34D-C
- TOXIC EFFECTS :
- Immunological Including Allergic - decreased immune response
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2800 ug/m3/4H/32D-I
- TOXIC EFFECTS :
- Behavioral - food intake (animal) Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1860 mg/kg/4D-C
- TOXIC EFFECTS :
- Endocrine - changes in spleen weight Blood - changes in leukocyte (WBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Primate - monkey
- DOSE/DURATION :
- 21120 ug/kg/22W-I
- TOXIC EFFECTS :
- Blood - changes in leukocyte (WBC) count
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 37100 mg/kg/2Y-C
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Endocrine - tumors Endocrine - thyroid tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 36500 mg/kg/2Y-C
- TOXIC EFFECTS :
- Tumorigenic - neoplastic by RTECS criteria Endocrine - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 150 mg/kg
- SEX/DURATION :
- female 6-20 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 150 mg/kg
- SEX/DURATION :
- female 6-20 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - delayed effects
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 40 mg/kg
- SEX/DURATION :
- lactating female 5 day(s) post-birth
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Effects on Newborn - delayed effects
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 150 mg/kg
- SEX/DURATION :
- female 6-20 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - behavioral
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 400 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 50 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 324 mg/kg
- SEX/DURATION :
- female 6-17 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 324 mg/kg
- SEX/DURATION :
- female 6-17 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
- TYPE OF TEST :
- Micronucleus test
MUTATION DATA
- TYPE OF TEST :
- Cytogenetic analysis
- TEST SYSTEM :
- Rodent - hamster Ovary
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 188,65,1987 *** REVIEWS *** ACGIH TLV-TWA 0.1 mg(Sn)/m3;STEL 0.2 mg/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 4,61,1973 TOXICOLOGY REVIEW EQSFAP Environmental Quality and Safety. (Stuttgart, Fed. Rep. Ger.) V.1-5, 1972-76. Discontinued. Volume(issue)/page/year: 4,80,1975 *** 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 MSHA STANDARD-air:TWA 0.1 mg(Sn)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,258,1971 OSHA PEL (Gen Indu):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-FINLAND:TWA 0.1 mg(Sn)/m3;STEL 0.3 mg(Sn)/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3 JAN 1993 OEL-GERMANY:TWA 0.002 ppm (0.05 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-THE PHILIPPINES:TWA 0.1 mg(Sn)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993 OEL-THAILAND:TWA 0.1 mg(Sn)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ORGANOTIN COMPOUND-air:10H TWA 0.1 mg(Sn)/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84318 No. of Facilities: 1217 (estimated) No. of Industries: 25 No. of Occupations: 24 No. of Employees: 7773 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84318 No. of Facilities: 2686 (estimated) No. of Industries: 45 No. of Occupations: 31 No. of Employees: 36413 (estimated) No. of Female Employees: 7903 (estimated)
Safety Information
[ Symbol ]:
GHS06, GHS08, GHS09
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H301 + H311-H315-H319-H372-H410
[ Precautionary Statements ]:
Missing Phrase - N15.00950417-P260-P280-P302 + P352 + P312-P305 + P351 + P338
[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
T:Toxic;N:Dangerousfortheenvironment;
[ Risk Phrases ]:
R21;R25;R36/38;R48/23/25;R50/53
[ Safety Phrases ]:
S35-S36/37/39-S45-S60-S61
[ RIDADR ]:
UN 2788 6.1/PG 2
[ WGK Germany ]:
3
[ RTECS ]:
JN8750000
[ Packaging Group ]:
II
[ Hazard Class ]:
6.1
[ HS Code ]:
29310095
Synthetic Route
Customs
[ HS Code ]: 29310095
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