Silvisar

Modify Date: 2026-07-10 12:35:37

Silvisar Structure
Silvisar structure
Common Name Silvisar
CAS Number 124-65-2 Molecular Weight 159.979
Density N/A Boiling Point 253.1ºC at 760 mmHg
Molecular Formula C2H6AsNaO2 Melting Point 60ºC
MSDS Chinese Flash Point 109.4ºC

 Use of Silvisar


Sodium cacodylate is an arsenical that has been used as a dermatologic agent and as an herbicide.

Summary: Sodium dimethylarsinate (CAS: 124-65-2) is a white crystalline or powdered substance with the molecular formula C2H6AsNaO2 and a molecular weight of 159.979. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name sodium dimethylarsinate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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
InChIKey IHQKEDIOMGYHEB-UHFFFAOYSA-M
SMILES C[As](C)(=O)[O-].[Na+]
Stability Stable.
Water Solubility H2O: 0.5 M at 20 °C, clear, colorless

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

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

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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Silvisar Structure

Silvisar

CAS#:124-65-2

Learn More
Literature: Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 137, p. 927

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  3

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

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

 Silvisar | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the melting point of sodium dimethylarsinate?
A: Melting point of sodium dimethylarsinate is 60ºC.
Q: What is the polar surface area (PSA) of sodium dimethylarsinate?
A: Polar surface area (PSA) of sodium dimethylarsinate is 40.13000.
Q: What is the InChIKey of sodium dimethylarsinate?
A: InChIKey of sodium dimethylarsinate is IHQKEDIOMGYHEB-UHFFFAOYSA-M.
Q: What is the boiling point of sodium dimethylarsinate?
A: Boiling point of sodium dimethylarsinate is 253.1ºC at 760 mmHg.
Q: What is the SMILES notation of sodium dimethylarsinate?
A: SMILES notation of sodium dimethylarsinate is C[As](C)(=O)[O-].[Na+].
Q: What is the molecular weight of sodium dimethylarsinate?
A: Molecular weight of sodium dimethylarsinate is 159.979.
Q: What is the safety information for sodium dimethylarsinate?
A: Safety information for sodium dimethylarsinate: S20/21-S28-S45-S60-S61.
Q: How is the water solubility of sodium dimethylarsinate?
A: Water solubility of sodium dimethylarsinate: H2O: 0.5 M at 20 °C, clear, colorless.
Q: What are the uses of sodium dimethylarsinate?
A: Main uses of sodium dimethylarsinate: Sodium cacodylate is an arsenical that has been used as a dermatologic agent and as an herbicide.
Q: What is the CAS number of sodium dimethylarsinate?
A: CAS number of sodium dimethylarsinate is 124-65-2.

 Silvisarfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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