Silvisar

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Names

[ CAS No. ]:
124-65-2

[ Name ]:
Silvisar

[Synonym ]:
arsycodile
[(Dimethylarsino)oxy]sodium As-oxide
EINECS 204-708-2
Arsinic acid, dimethyl-, sodium salt (1:1)
Sodium dimethylarsinate
arsecodile
chemaid
Natrium-dimethylarsinat
arsicodile
bophy
Silvisar
ansar560
broadside
MFCD00002096
cacodylic acid sodium salt
sodium dimethylarsenite
alkarsodyl
Sodium cacodylate 97+
sodium cacodylate
bolate
sodium As,As-dimethylarsinate
cacodylate de sodium
ansar160
dimethylarsinic acid sodium salt

Chemical & Physical Properties

[ Boiling Point ]:
253.1ºC at 760 mmHg

[ Melting Point ]:
60ºC

[ Molecular Formula ]:
C2H6AsNaO2

[ Molecular Weight ]:
159.979

[ Flash Point ]:
109.4ºC

[ Exact Mass ]:
159.948151

[ PSA ]:
40.13000

[ LogP ]:
0.54920

[ Stability ]:
Stable.

[ Water Solubility ]:
H2O: 0.5 M at 20 °C, clear, colorless

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CH7700000
CHEMICAL NAME :
Arsine oxide, dimethylhydroxy-, sodium salt
CAS REGISTRY NUMBER :
124-65-2
LAST UPDATED :
199801
DATA ITEMS CITED :
32
MOLECULAR FORMULA :
C2-H6-As-O2.Na
MOLECULAR WEIGHT :
159.99
WISWESSER LINE NOTATION :
Q-AS-O&1&1 &-NA-

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 :
2600 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 :
4 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CLDND* Compilation of LD50 Values of New Drugs. (J.R. MacDougal, Dept. of National Health and Welfare, Food and Drug Divisions, 35 John St., Ottawa, Ont., Canada)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 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 :
Intraperitoneal
DOSE :
900 mg/kg
SEX/DURATION :
female 9 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
900 mg/kg
SEX/DURATION :
female 9 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetal death

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - mouse Lymphocyte
DOSE/DURATION :
9 gm/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 386,279,1997 *** 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 0.5 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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84721 No. of Facilities: 34 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 136 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84721 No. of Facilities: 46 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 185 (estimated) No. of Female Employees: 168 (estimated)

Safety Information

[ Hazard Codes ]:
T,N

[ Risk Phrases ]:
R23/25

[ Safety Phrases ]:
S20/21-S28-S45-S60-S61

[ RIDADR ]:
UN 1688 6.1/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
CH7890000

[ Packaging Group ]:
II

[ Hazard Class ]:
6.1(a)

[ HS Code ]:
2931900022

Synthetic Route

Precursor & DownStream

Precursor

  • methyloxoarsine
  • methyl iodide

DownStream

  • dimethylarsine
  • tetramethyldiarsine
  • dimethylarsanyloxy(dimethyl)arsane

Customs

[ HS Code ]: 2931900022

[ Summary ]:
2931900022 dimethylarsinic acid。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%


Related Compounds

  • Silvisar
  • 2-(4-Acetylphenyl)-4-(cyclopropylmethyl)-1,1-dioxo-1lambda6,2,4-benzothiadiazin-3-one
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • 8-Bromo-5,6-dihydro-5-oxoimidazo[1,2-c]pyrimidine-2-carboxylic acid
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine