Picloram

Modify Date: 2024-01-02 10:25:49

Picloram Structure
Picloram structure
Common Name Picloram
CAS Number 1918-02-1 Molecular Weight 241.459
Density 1.8±0.1 g/cm3 Boiling Point 420.5±45.0 °C at 760 mmHg
Molecular Formula C6H3Cl3N2O2 Melting Point 200 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 208.1±28.7 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of Picloram


Picloram is an auxinic herbicide that is widely used for controlling broad leaf weeds[1].

 Names

Name picloram
Synonym More Synonyms

 Picloram Biological Activity

Description Picloram is an auxinic herbicide that is widely used for controlling broad leaf weeds[1].
Related Catalog
References

[1]. Praveen K Kathare , et al. Arabidopsis PIC30 Encodes a Major Facilitator Superfamily Transporter Responsible for the Uptake of Picolinate Herbicides. Plant J. 2020 Apr;102(1):18-33.

 Chemical & Physical Properties

Density 1.8±0.1 g/cm3
Boiling Point 420.5±45.0 °C at 760 mmHg
Melting Point 200 °C (dec.)(lit.)
Molecular Formula C6H3Cl3N2O2
Molecular Weight 241.459
Flash Point 208.1±28.7 °C
Exact Mass 239.926010
PSA 76.21000
LogP 2.94
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.677
Water Solubility 420 mg/L

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TJ7525000
CHEMICAL NAME :
Picolinic acid, 4-amino-3,5,6-trichloro-
CAS REGISTRY NUMBER :
1918-02-1
BEILSTEIN REFERENCE NO. :
0479075
LAST UPDATED :
199712
DATA ITEMS CITED :
49
MOLECULAR FORMULA :
C6-H3-Cl3-N2-O2
MOLECULAR WEIGHT :
241.46
WISWESSER LINE NOTATION :
T6NJ BVQ CG DZ EG FG

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 :
8200 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 :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2 gm/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 :
>4 gm/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 :
Oral
SPECIES OBSERVED :
Bird - duck
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
7 gm/kg/2W-C
TOXIC EFFECTS :
Liver - changes in liver weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
27300 mg/kg/13W-C
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10920 mg/kg/26W-C
TOXIC EFFECTS :
Liver - changes in liver weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
73 gm/kg/1Y-C
TOXIC EFFECTS :
Liver - changes in liver weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2100 mg/kg/21D-I
TOXIC EFFECTS :
Liver - changes in liver weight Endocrine - changes in spleen weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
208 mg/kg/80W-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 - mouse
DOSE/DURATION :
340 gm/kg/80W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Endocrine - tumors Endocrine - thyroid tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
208 gm/kg/80W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
416 gm/kg/80W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Liver - tumors Endocrine - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
417 gm/kg/80W-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
DOSE :
5 gm/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
7500 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - urogenital system

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Yeast - Saccharomyces cerevisiae
DOSE/DURATION :
100 mg/L
REFERENCE :
TGANAK Tsitologiya i Genetika. Cytology and Genetics. For English translation, see CYGEDX. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 18,455,1984 *** REVIEWS *** 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 ACGIH TLV-TWA 10 mg/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: TLV/BEI,1997 IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 53,481,1991 IARC Cancer Review:Human No Available Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 53,481,1991 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 53,481,1991 TOXICOLOGY REVIEW DTTIAF Deutsche Tieraerztliche Wochenschrift. (Hanover, Fed. Rep. Ger.) V.1-77, 1893-1970. Volume(issue)/page/year: 80,485,1973 *** 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 OSHA PEL (Gen Indu):8H TWA 15 mg/m3, total dust 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 (Gen Indu):8H TWA 5 mg/m3, respirable fraction 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 15 mg/m3, total dust 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 (Construc):8H TWA 5 mg/m3, respirable fraction 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 15 mg/m3, total dust 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 (Shipyard):8H TWA 5 mg/m3, respirable fraction CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 10 mg/m3;STEL 20 mg/m3 JAN 1993 OEL-BELGIUM:TWA 10 mg/m3;STEL 20 mg/m3 JAN 1993 OEL-FINLAND:TWA 10 mg/m3;STEL 20 mg/m3 JAN 1993 OEL-FRANCE:TWA 10 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 10 mg/m3 JAN 1993 OEL-RUSSIA:STEL 2 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 10 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 10 mg/m3;STEL 10 mg/m3 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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83786 No. of Facilities: 12 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 72 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83786 No. of Facilities: 45 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 314 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36:Irritating to the eyes.
Safety Phrases S26
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS TJ7525000

 Synthetic Route

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Picloram Structure

Picloram

CAS#:1918-02-1

Literature: The Dow Chemical Company Patent: US4336384 A1, 1982 ;

~91%

Picloram Structure

Picloram

CAS#:1918-02-1

Literature: Litvineneko, G. S.; Ovchinnikov, V. G.; Lobanova, I. A.; Maksimenko, N. M.; Zatsarevnyi, V. M. J. Appl. Chem. USSR (Engl. Transl.), 1992 , vol. 65, # 5 p. 1008 - 1016,824 - 830

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 Synonyms

4-Amino-3,5,6-trichloropyridine-2-carboxylic acid
2-Pyridinecarboxylic acid, 4-amino-3,5,6-trichloro-
Tordon
4-Amino-3,5,6-trichloropicolinic acid,4-Amino-3,5,6-trichloropyridine-2-carboxylic acid,Picloram
4-Amino-3,5,6-trichlor-2-pyridinmethanol
MFCD00012101
T6NJ BVQ CG DZ EG FG
Picolinic acid, 4-amino-3,5,6-trichloro-
4-Amino-3,5,6-trichloro-2-pyridinecarboxylic acid
3,5,6-trichloro-4-amino-picolinic acid
EINECS 217-636-1
Picloram
4-Amino-3,5,6-trichloropicolinic Acid
2-Pyridinemethanol,4-amino-3,5,6-trichloro
ATCP
Grazon
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