Chinese name: hydroxymethenone
oxymetholone- dea schedule iii
CAS: 434-07-1
EINECS: 207-098-6
Chemical formula: C21H32O3
Molecular weight: 332.48
InChI: InChI = 1 / C21H32O3 / c1-18 (23), 19-11-13 (12-22) 10-14 (19) the 4-5-15-16 (19) 6-8-20 (2) 17 (15) 6-8-20 (20, 3) 24 / h12, 14-17,22,24 H, 4-1 1 to 3 h2, h3 / bl3-12 - / t14 -, 15, 16 -, 17-19-20-21 - / m0 / s1
InChIKey: ICMWWNHDUZJFDW-CCTJMHFWSA-N
Density: 1.0834 (rough estimate)
Melting point: 172-180°C
Boiling point: 409.59°C (rough estimate)
Specific rotation: 34 º
Flash point: 249.7°C
Vapor pressure: 1.23E-10mmHg at 25°C
Solubility: H2O: ≤ 0.5mg/ml
Refractive index: 38 ° (C=1, CHCl3)
Acidity coefficient: 5.28±0.70(Predicted)
Storage condition: 2-8°C
Stability: Stability can be light sensitive. Incompatible with strong oxidants.
Appearance: solid
Color: white to light yellow
Merck: 6967
Physical and chemical properties: white crystalline powder, odorless. Melting point 173-176℃ (178-180℃). [α]D+38° (chloroform), insoluble in water, soluble in chloroform, soluble in dioxane, vegetable oil, slightly soluble in ethanol, ether.
Purpose:
Hydroxymethylenone is widely used in various fields. Its good insulation properties are also often used as insulation materials for electronic components. Hydroxymethylenone is also used in the manufacture of thermoplastic resins, engineering plastics and adhesives.
Preparation:
The preparation of hydroxymethylenone is generally achieved by formaldehyde polymerization. This reaction needs to be carried out under alkaline conditions and a catalyst is used to accelerate the reaction rate. There are several specific preparation methods, including solution polymerization, solid polymerization and gas polymerization.
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