1,2-BUTANEDIOL
Pharmaceutical Materials 2025-03-02
CAS Number: 584-03-2
Molecular Formula: C4H10O2
Molecular Weight: 90.121 g/mol
Appearance: Colorless to light yellow clear liquid Usage: Primarily used as a solvent and intermediate in chemical syntheses.
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| Category | Details |
|---|---|
| Chemical Name | 1.2-Butanediol |
| CAS Number | 584-03-2 |
| Synonyms | 1.2-Dihydroxybutane; 1.2-Butylene Glycol |
| Molecular Formula | C4H10O2 |
| Molecular Weight | 90.121 g/mol |
| Appearance | Colorless to light yellow clear liquid |
| Density | 1.0 ± 0.1 g/cm³ |
| Melting Point | -50 °C |
| Boiling Point | 190.3 ± 8.0 °C at 760 mmHg |
| Flash Point | 93.3 ± 0.0 °C |
| Refractive Index | 1.438 |
| Solubility | Soluble in water, ethanol, and acetone |
| Uses | Used as a raw material for the production of polyester and polyurethane resins, PVC resin plasticizers, cosmetics, pesticides, and other fine chemicals. |
| Chemical Properties | A diol with two hydroxyl groups on adjacent carbon atoms. Reacts with aldehydes or ketones to form acetals or ketals. Reacts with dicarboxylic acids or anhydrides to form polyesters. |
| Stability | Stable under normal conditions. Flammable; keep away from heat, sparks, and open flames. |
| Storage Conditions | Store in a cool, dry, and well-ventilated place. Keep the container tightly closed. |
| Safety Information | Wear appropriate protective clothing, gloves, and eye protection when handling. Avoid contact with skin and eyes. In case of contact, rinse thoroughly with water and seek medical attention if necessary. |
