MATERIAL PROFILE / Individual substance
CAS: 75-86-5
Function: Methacrylate synthesis intermediate
Compare this material →This material’s published information has not yet been verified by a human reviewer.
Human verification concerns the stated information and scope. It is separate from an EcoSafe score, certification or safety approval.Individual chemical identity in the common-material baseline. Chemical identity only; purity, grade and supplier composition require separate documentation. Category placement is an editorial research grouping, not a suitability recommendation. Monomers, precursors and curing ingredients are not finished resins or ready-to-use coatings. Röhm’s monomer brochure lists this substance in its portfolio. Brochure properties are supplier reference values, not specifications for every supplier or batch.
Chemistry: Acetone cyanohydrin
Listed supplier: Supplier not selected · substance baseline
Chemical identity only; purity, grade and supplier composition require separate documentation.
Identity snapshot: 2026-11-02 UTC.
CAS identity reference ↗9 of 16 defined fields are recorded with a source. This measures structured information currently on this site, not the completeness of every linked PDF. Missing fields remain in the denominator.
Coverage is separate from scientific accuracy, human verification and EcoSafe assessment. Molecular fields may not apply to a grade or family; they are not filled from another material to increase its score.
| Core field | Recorded information |
|---|---|
| Chemical name | Acetone cyanohydrin Source ↗ |
| CAS number | 75-86-5 Source ↗ |
| Synonyms | Not yet recorded / may not apply |
| Molecular formula | C4H7NO Source ↗ |
| Molecular weight | 85.10 Source ↗ |
| IUPAC name | 2-hydroxy-2-methylpropanenitrile Source ↗ |
| PubChem CID | 6406 Source ↗ |
| Identity sources | https://pubchem.ncbi.nlm.nih.gov/compound/6406 Source ↗ Source reference recorded for this record's scope; source freshness is a separate review. |
| Uses | Not yet recorded / may not apply |
| Hazards | Not yet recorded / may not apply |
| Appearance | Not yet recorded / may not apply |
| Density | Not yet recorded / may not apply |
| Melting point | −4 °F Source ↗ Freezing point; NIOSH general-substance reference · Method not stated in source · Substance reference |
| Boiling point | 82 °C Source ↗ Pressure: 31 hPa · Method not stated in source · Portfolio reference |
| Solubility | Not yet recorded / may not apply |
| SDS/TDS | Not yet recorded / may not apply |
Trade names identify supplier offerings. A shared chemical name does not establish interchangeable grades or specifications.
Brochure marks this offering Europe only; sulfuric-acid stabilized.
Röhm monomer portfolio reference; generic substance identity is not an exact commercial-grade specification. Boiling pressure is preserved in hPa. Polymer-reference Tg describes polymer context, not the liquid monomer. Inhibitor levels are supplier portfolio values. Confirm current SDS/TDS and exact supply.
| Property | Value | Conditions / method |
|---|---|---|
| Boiling point | 82 °C Portfolio reference | Pressure: 31 hPa Method not stated in source Source ↗ |
| Specific gravity | 0.93 dimensionless Substance reference | 25 °C relative to water at 4 °C (NIOSH convention) Method not stated in source Source ↗ |
| Stabilizer / inhibitor content | 1000–3000 ppm Portfolio reference | Sulfuric acid (footnote 2); NOT MEHQ. Europe-only offering. Method not stated in source Source ↗ |
| Flash point | 165 °F Substance reference | Closed cup by NIOSH convention; general-substance reference Method not stated in source Source ↗ |
| Melting / softening behavior | −4 °F Substance reference | Freezing point; NIOSH general-substance reference Method not stated in source Source ↗ |
Archived copies are dated references. Confirm the latest document for your supplier, grade and region.
Range card · Röhm
Revision not stated in supplied document · Portfolio reference; ACH marked Europe only
Eight chemical identities and nine offerings including proTerra MMA. See page 4 for properties and stabilizer footnotes. Not an SDS or exact-grade TDS. Original supplier link; public hosting permission has not been established.
Supplier access / request ↗An exact-grade regional SDS has not yet been archived for this material.
Confirm grade, composition, current availability and production location directly with the supplier.
Supplier-listed offering: MERACRYL® ACH.
Brochure marks this offering Europe only; sulfuric-acid stabilized.
Supplier portfolio reference ↗Identity data and category placement do not establish safety, suitability or environmental performance. Obtain current grade-specific documentation.
Industrial Chemicals
Base Chemicals & Intermediates · Organic Intermediates
Library source check: November 2, 2026. Sources may require supplier access.