Cacodylic acid
Cacodylic acid (CAS 75-60-5), with the linear formula (CH3)2As(O)OH and a molecular weight of 138.00, is an organoarsenic compound. It is known for its applications in chemical synthesis and as a reagent in inorganic chemistry. This compound also finds use in catalysis. Tech Serve Solutions supplies Cacodylic acid with a high purity of ≥98%.
- IUPAC
- Dimethylarsinic acid,Dimethylarsonic acid,Hydroxydimethylarsine oxide
- Synonyms
- Dimethylarsinic acidDimethylarsonic acidHydroxydimethylarsine oxide

Chemical Synthesis Reagent
Cacodylic acid serves as a valuable building block in organic and inorganic synthesis. Its arsenic functionality allows for unique reaction pathways and the creation of specialized organometallic compounds.
Catalysis Research
The compound's structure lends itself to applications in catalytic processes. It can be employed as a ligand or precursor in the development of new catalytic systems for various chemical transformations.
Inorganic Chemistry
As an arsenic-containing compound, Cacodylic acid is utilized in studies and applications within inorganic chemistry, particularly in areas involving arsenic speciation and coordination chemistry.
| Molecular weight | 138.00 |
|---|---|
| Linear formula | (CH3)2As(O)OH |
| Assay | ≥98% |


Hazard statements
- H301Toxic if swallowed
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Transport (UN / ADR) | UN 1572 6.1 / PGII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-50/53 |
| Safety statements (S) | 20/21-28-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Cacodylic acid used for?
+
Cacodylic acid is primarily used as a reagent in chemical synthesis, in catalysis research, and within inorganic chemistry.
What is the CAS number and formula for Cacodylic acid?
+
The CAS number for Cacodylic acid is 75-60-5, and its linear formula is (CH3)2As(O)OH.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Cacodylic acid with an assay of ≥98%. We do not represent this product as USP, BP, or EP grade.
How should Cacodylic acid be handled?
+
Cacodylic acid is highly toxic and an environmental hazard. Handle with extreme caution in a well-ventilated area, wearing appropriate personal protective equipment. Avoid ingestion, inhalation, and contact with skin and eyes. Dispose of as hazardous waste according to regulations.
Is Cacodylic acid a controlled substance?
+
The provided data does not indicate that Cacodylic acid is a controlled substance under standard chemical regulations. However, due diligence regarding specific regional regulations is advised.
How is Cacodylic acid packed and exported?
+
Cacodylic acid is shipped and exported according to international regulations for hazardous materials, including UN 1572, Class 6.1, Packing Group II.
How can I request a quote or sample for Cacodylic acid?
+
To request a quote or sample for Cacodylic acid, please contact the Tech Serve Solutions sales team through our website or by phone.
▶ Related products

Benzeneruthenium(II) chloride dimer
Ru2(C6H6)2Cl4
Catalysis & Inorganic
Benzoylferrocene
C17H14FeO
Catalysis & Inorganic
Benzyldiphenylphosphine
C6H5CH2P(C6H5)2
Catalysis & Inorganic
Beryllium
Be
Catalysis & Inorganic
Beryllium oxide
BeO
Catalysis & Inorganic![Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer — chemical structure, CAS 12257-42-0; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F12257-42-0.png&w=3840&q=75)
Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer
Catalysis & Inorganic
![Bis[(10,11-η)-5-[(11bS)-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl- κP4]-5H-dibenz[b,f]azepine]rhodium(I) tetrafluorobo — chemical structure, CAS 1228149-03-8; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1228149-03-8.png&w=3840&q=75)
Bis[(10,11-η)-5-[(11bS)-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl- κP4]-5H-dibenz[b,f]azepine]rhodium(I) tetrafluorobo
1-d:1′
Catalysis & Inorganic![Bis[(2-dimethylamino)phenyl]amine nickel(II) chloride (C16H20ClN3Ni) — chemical structure, CAS 1033772-47-2; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1033772-47-2.png&w=3840&q=75)
Bis[(2-dimethylamino)phenyl]amine nickel(II) chloride
C16H20ClN3Ni
Catalysis & Inorganic▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis