Cacodylic acid

Modify Date: 2026-06-30 13:21:34

Cacodylic acid Structure
Cacodylic acid structure
Common Name Cacodylic acid
CAS Number 75-60-5 Molecular Weight 137.997
Density >1.1(20ºC) Boiling Point 253.1±23.0 °C at 760 mmHg
Molecular Formula C2H7AsO2 Melting Point 195-198 °C
MSDS Chinese USA Flash Point 109.4±17.3 °C
Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09
Signal Word Danger

 Names

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

Name dimethylarsinic acid
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.

Density >1.1(20ºC)
Boiling Point 253.1±23.0 °C at 760 mmHg
Melting Point 195-198 °C
Molecular Formula C2H7AsO2
Molecular Weight 137.997
Flash Point 109.4±17.3 °C
Exact Mass 137.966202
PSA 37.30000
LogP -1.62
Vapour Pressure 0.0±1.1 mmHg at 25°C
InChIKey OGGXGZAMXPVRFZ-UHFFFAOYSA-N
SMILES C[As](C)(=O)O
Stability Aqueous solutions react violently with active metals. Incompatible with strong oxidizing agents, strong bases.

 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 :
CH7525000
CHEMICAL NAME :
Arsine oxide, dimethylhydroxy-
CAS REGISTRY NUMBER :
75-60-5
BEILSTEIN REFERENCE NO. :
1736965
LAST UPDATED :
199710
DATA ITEMS CITED :
60
MOLECULAR FORMULA :
C2-H7-As-O2
MOLECULAR WEIGHT :
138.01
WISWESSER LINE NOTATION :
Q-AS-O&1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rat
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - mouse
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - mouse
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
644 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>2600 mg/m3/2H
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 :
1200 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 - mouse
DOSE/DURATION :
500 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 :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
185 mg/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 :
2260 mg/kg/4W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
464 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Blood - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
400 mg/kg
SEX/DURATION :
female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
300 mg/kg
SEX/DURATION :
female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
500 mg/kg
SEX/DURATION :
female 7-16 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 :
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 :
4 gm/kg
SEX/DURATION :
female 7-16 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) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1600 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - Central Nervous System
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3 gm/kg
SEX/DURATION :
female 8-12 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - physical
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1600 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
Micronucleus test

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - mouse Lymphocyte
DOSE/DURATION :
1080 mg/L
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB84-138973 *** REVIEWS *** IARC Cancer Review:Animal Inadequate 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: 23,39,1980 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: As,-,1977 *** 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 - 84735 No. of Facilities: 88 (estimated) No. of Industries: 3 No. of Occupations: 3 No. of Employees: 309 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84735 No. of Facilities: 55 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 354 (estimated) No. of Female Employees: 304 (estimated)

 Safety Information

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

Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09
Signal Word Danger
Hazard Statements H301 + H331-H315-H319-H335-H351-H410
Precautionary Statements Missing Phrase - N15.00950417-P261-P280-P304 + P340 + P312-P305 + P351 + P338-P403 + P233
Hazard Codes T,N
Risk Phrases R23/25
Safety Phrases S20/21-S28-S45-S60-S61
RIDADR UN 1572 6.1/PG 2
WGK Germany 3
RTECS CH7525000
Packaging Group II
Hazard Class 6.1

 Synthetic Route

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

 Articles44

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

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Western clawed frog (Silurana tropicalis) embryos were exposed to control, low (nominally 0.5 mg L(-1)) and high (nominally 1 mg L(-1)) arsenate (As(V)) culture water concentrations to investigate the...

 Synonyms

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

Chexmate
Arsan
DMAA
Silvisar
Phytar
MFCD00002095
Hydroxydimethylarsine oxide
Cacodylic acid
dimethylarsonic acid
Dimethylarsinic acid (9CI)
EINECS 200-883-4
DIMETHYLARSENIC ACID
Arsinic acid,dimethyl
Dimethylarsinic acid

 Cacodylic acid | FAQ

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

Q: What is the English name of dimethylarsinic acid?
A: The English name of dimethylarsinic acid is dimethylarsinic acid.
Q: What English synonyms does dimethylarsinic acid have?
A: English synonyms of dimethylarsinic acid: Chexmate, Arsan, DMAA, Silvisar, Phytar, MFCD00002095, Hydroxydimethylarsine oxide, Cacodylic acid, dimethylarsonic acid, Dimethylarsinic acid (9CI), EINECS 200-883-4, DIMETHYLARSENIC ACID, Arsinic acid,dimethyl, Dimethylarsinic acid.
Q: What are the downstream products of dimethylarsinic acid?
A: Related downstream products(CAS) of dimethylarsinic acid: 5814-20-0;609-99-4;15132-04-4;676-75-5;7732-18-5;7553-56-2;69819-89-2;1077-28-7;124-58-3;75-93-4.
Q: What is the LogP of dimethylarsinic acid?
A: LogP of dimethylarsinic acid is -1.62.
Q: What is the safety information for dimethylarsinic acid?
A: Safety information for dimethylarsinic acid: S20/21-S28-S45-S60-S61.
Q: What is the melting point of dimethylarsinic acid?
A: Melting point of dimethylarsinic acid is 195-198 °C.
Q: What is the CAS number of dimethylarsinic acid?
A: CAS number of dimethylarsinic acid is 75-60-5.
Q: What are the upstream materials of dimethylarsinic acid?
A: Related upstream materials(CAS) of dimethylarsinic acid: 124-58-3;13787-40-1;593-88-4;557-89-1;55094-22-9;471-35-2;503-80-0;593-57-7;10102-44-0.
Q: What is the boiling point of dimethylarsinic acid?
A: Boiling point of dimethylarsinic acid is 253.1±23.0 °C at 760 mmHg.
Q: What is the polar surface area (PSA) of dimethylarsinic acid?
A: Polar surface area (PSA) of dimethylarsinic acid is 37.30000.

 Cacodylic acidfactory

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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