Butyraldehyde oxime
Pharmaceutical Materials 2025-03-02
CAS Number: 110-69-0
Molecular Formula: C4H9NO
Molecular Weight: 87.12
Appearance: Colorless to pale yellow liquid
Melting Point: -29.5°C
Boiling Point: 152-154°C
Flash Point: 58°C
Density: 0.923
Usage: As an organic reagent.
| Attribute | Details |
|---|---|
| Chemical Name | Butyraldehyde oxime |
| Synonyms | Butyraldoxime; Butanal oxime; N-hydroxybutan-1-imine; Mixture of isomers; (1Z)-Butanal oxime; (1E)-Butanal oxime |
| CAS Number | 110-69-0 |
| EINECS Number | 203-792-8 |
| Formula | C4H9NO |
| Molecular Weight | 87.12 g/mol |
| Appearance | Colorless oil or liquid |
| Physical Properties | Density: 0.923 g/mL; Melting Point: -29.5 °C; Boiling Point: 152-154 °C; Flash Point: 58 °C; Refractive Index: 1.4367 |
| Solubility | Slightly soluble in water (<0.1 g/100 mL at 20 °C); Soluble in organic solvents such as chloroform and methanol |
| Chemical Properties | Electrophilic; Can participate in electrophilic substitution reactions; Stable but flammable; Incompatible with strong oxidants, powdered metals, and acids |
| Applications | Used as a reagent or intermediate in organic synthesis, such as nitrogen substitution reactions of halogenated compounds and O-carboxylic acid oximation reactions of aldehydes or ketones; Used as a protecting group for nucleophilic sites in carbonyl compounds to prevent unwanted reactions |
| Synthesis | Prepared by reacting butyraldehyde with hydroxylamine under appropriate conditions of temperature, reaction time, solvent, and catalyst |
| Safety Hazards | Irritating to eyes, skin, and mucous membranes; Toxic if swallowed or inhaled; Flammable; Risk of fire and explosion if exposed to heat, sparks, or incompatible materials |
| Precautions | Keep away from heat, sparks, and incompatible materials; Store in a cool, dry place under an inert atmosphere; Wear appropriate protective clothing, gloves, and eye/face protection during handling; Avoid contact with skin, eyes, and mouth; Follow relevant safety procedures and properly store and dispose of the compound |
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