CAS 97-59-6 Allantoin | Products & Prices & Suppliersts
Colorless crystalline powder. Melting point is 238-240 ℃ (decomposition). Can be dissolved in hot water, hot alcohol and dilute sodium hydroxide solution, slightly soluble in water and alcohol, almost insoluble in ether and chloroform. Odorless, tasteless. In dry air is stable, prolonged boiling in the water. or strong base will be destroyed. pH of saturated aqueous solution is 5.5.
ldentification
- Cas NO.: 97-59-6
- CID: 204
- Mw: 158.117
- MF: C4H6N4O3
- Name:Allantoin (Related Reference)
- Synonyms: (±)-Allantoin; (2,5-dioxo-4-imidazolidinyl)urea; 1-(2,5-Dioxo-4-imidazolidinyl)urea; 1-(2,5-Dioxoimidazolidin-4-yl)harnstoff; 1-(2,5-dioxoimidazolidin-4-yl)urea; 2,5-dioxo-4-imidazolidinyl urea;
- EINECS: 202-592-8
Safety Data
- [Risk Codes]
R22:Harmful if swallowed
- [Safety Statements]
S24/25:Avoid contact with skin and eyes
- Hazard Symbols:
Properties
-
- Appearance:white crystalline powder
- Molecular Weight:158.117
- Density:1.65
- Boiling Point:478
- Melting Point:230℃
- Flash Point:230-234°C
- Storage Temperature:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
- Refractive index:1.615
- Solubility:0.5% at 25 C (freely disolve in alkalis)
- Stability:Stable. Incompatible with strong oxidizing agents.
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