Acetone cyanohydrin
Acetone cyanohydrin (CAS: 75-86-5), with the linear formula (CH3)2C(OH)CN and a molecular weight of 85.10 g/mol, is a vital organic compound. It serves as a key intermediate in chemical synthesis, particularly in the production of methyl methacrylate and other valuable chemicals. This compound is supplied by TSS with a purity of 99%.
- IUPAC
- α-Hydroxyisobutyronitrile,2-Hydroxyisobutyronitrile
- Synonyms
- 2-Hydroxy-2-methylpropanenitrile2-Hydroxyisobutyronitrileα-Hydroxyisobutyronitrile

Methyl Methacrylate Production
Acetone cyanohydrin is a primary precursor in the industrial synthesis of methyl methacrylate (MMA), a monomer used in the production of acrylic plastics and resins.
Chemical Synthesis Intermediate
It acts as a versatile building block in organic chemistry, enabling the synthesis of various complex molecules and pharmaceutical intermediates due to its reactive hydroxyl and nitrile groups.
Polymerisation Applications
The compound's derivatives find use in the development of specialised polymers and materials, contributing to advancements in material science.
| Molecular weight | 85.10 |
|---|---|
| Linear formula | (CH3)2C(OH)CN |
| Assay | 99% |
| Boiling point | 82 °C/23 mmHg(lit.) |
| Density | 0.932 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.399(lit.) |
| Vapour pressure | 0.3 psi (20 °C) |
| Melting point | −19 °C(lit.) |
| Contains / stabiliser | H3PO4 as stabilizer (Europe)sulfuric acid as stabilizer (US) |


Hazard statements
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 75 °C / 167 °F |
| Transport (UN / ADR) | UN 1541 6.1 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 26/27/28-50/53 |
| Safety statements (S) | 7/9-27-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 11 % |
|---|
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 Acetone cyanohydrin used for?
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Acetone cyanohydrin (CAS 75-86-5) is primarily used as an intermediate in the synthesis of methyl methacrylate and other organic compounds. It also functions as a building block in chemical synthesis.
What is the CAS number and formula for Acetone cyanohydrin?
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The CAS number for Acetone cyanohydrin is 75-86-5, and its linear formula is (CH3)2C(OH)CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Acetone cyanohydrin with an assay of 99%. This product is not represented as USP, BP, or EP grade.
How is Acetone cyanohydrin handled and shipped?
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Acetone cyanohydrin is classified under GHS06 and GHS09 symbols with a Danger signal word due to severe toxicity (H300, H310, H330) and environmental hazards (H410). It requires stringent safety precautions, including appropriate PPE like eyeshields, gloves, and respiratory protection. It is shipped as UN 1541, Hazard Class 6.1.
Is Acetone cyanohydrin a controlled substance?
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Acetone cyanohydrin is not explicitly listed as a controlled substance in the provided data, but its high toxicity necessitates careful handling and adherence to all relevant regulations.
How can I request a quote or sample for Acetone cyanohydrin?
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To request a quote or sample for Acetone cyanohydrin, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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