METHYLARSONIC ACID

Modify Date: 2024-01-03 00:41:11

METHYLARSONIC ACID Structure
METHYLARSONIC ACID structure
Common Name METHYLARSONIC ACID
CAS Number 124-58-3 Molecular Weight 139.97000
Density N/A Boiling Point 393.3ºC at 760mmHg
Molecular Formula CH5AsO3 Melting Point 161ºC
MSDS N/A Flash Point 205.8ºC

 Names

Name methylarsonic acid
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 393.3ºC at 760mmHg
Melting Point 161ºC
Molecular Formula CH5AsO3
Molecular Weight 139.97000
Flash Point 205.8ºC
Exact Mass 139.94500
PSA 57.53000

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
PA1575000
CHEMICAL NAME :
Methanearsonic acid
CAS REGISTRY NUMBER :
124-58-3
BEILSTEIN REFERENCE NO. :
1739373
LAST UPDATED :
199710
DATA ITEMS CITED :
28
MOLECULAR FORMULA :
C-H5-As-O3
MOLECULAR WEIGHT :
139.98
WISWESSER LINE NOTATION :
Q-AS-QO&1

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 :
961 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 - mouse
DOSE/DURATION :
1800 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 :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
794 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Cytogenetic analysis
TEST SYSTEM :
Human Fibroblast
DOSE/DURATION :
1400 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 357,123,1996 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(As)/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: 3,16,1971 OSHA PEL (Gen Indu):8H TWA 0.5 mg(As)/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 0.5 mg(As)/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 0.5 mg(As)/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 0.5 mg(As)/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-ARAB Republic of Egypt:TWA 0.2 mg(As)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.05 mg(As)/m3;Carcinogen JAN 1993 OEL-BELGIUM:TWA 0.2 mg(As)/m3 JAN 1993 OEL-DENMARK:TWA 0.05 mg(As)/m3 JAN 1993 OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE:TWA 0.2 mg(As)/m3 JAN 1993 OEL-HUNGARY:STEL 0.5 mg(As)/m3;Carcinogen JAN 1993 OEL-INDIA:TWA 0.2 mg(As)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg(As)/m3 JAN 1993 OEL-POLAND:TWA 0.3 mg(As)/m3 JAN 1993 OEL-SWEDEN:TWA 0.03 mg(As)/m3;Carcinogen JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(As)/m3;Carcinogen JAN 1993 OEL-THAILAND:TWA 0.5 mg(As)/m3 JAN 1993 OEL-TURKEY:TWA 0.5 mg(As)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 mg(As)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

 Safety Information

RIDADR UN 2759
Packaging Group III
Hazard Class 6.1(b)
HS Code 2931900036

 Synthetic Route

 Customs

HS Code 2931900036
Summary 2931900036 chlorodiphenylarsine。supervision conditions:x(environment control release notice for poisonous chemicals)。VAT:17.0%。tax rebate rate:0.0%。MFN tarrif:6.5%。general tariff:30.0%

 Synonyms

Methyl-arsonsaeure
EINECS 204-705-6
DSMA (JMAF)
Methylarsenic acid
Monomethylarsonate
Monomethylarsinic acid
MAA
Arsonomethan
Methyl arsonic acid
Methylarsinic acid
Methylarsonate
Methylarsonic acid
Arsonic acid,methyl
METHANEARSONIC ACID