Acetone Cyanohydrine - Ach (Gujach)

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Product Specification:
Chemical Formula(CH3)2C(OH)CN
Molecular weight85.11
AppearanceClear to pale to yellow
Specific Gravity @ 20A C0.930-0.935
Purity98.0 Min.
Water %0.3 Max
Free Cyanide %0.1 Max
Boiling point A C77 (20mm Hg) (decomposes by heating at>120A C giving HCN)
Flash point A C74
Ignition point A C690
Melting point A C-19
Vapour Density AIR =12.93
ToxicityLD 50 inhalation - 15 mg. /hr. Ingestion cat-17 mg./kg. Toxic by inhalation ingestion and absorption

Product Application:
Preparation of methacrylic acid and its esters.
To prepare ethyl hydroxy-isobuty rate a pharmaceutical intermediate.
For manufacture of azobisisobutyro-nitrile (AIBN) a very useful catalyst for vinyl polymerization.
ACH can be hydrogenerated in methanolic acetate acid in the presence of cobalt or silica gel to give predominantly -B-hydroxy- Iso