1,2-BUTANEDIOL
Synonym(s):1,2-Butylene glycol
- CAS NO.：584-03-2
- Empirical Formula: C4H10O2
- Molecular Weight: 90.12
- MDL number: MFCD00004570
- EINECS: 209-527-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-07 19:09:42
What is 1,2-BUTANEDIOL?
Chemical properties
clear colorless liquid
The Uses of 1,2-BUTANEDIOL
1,2-Butanediol was used in the synthesis of (R)-2-hydroxybutyric acid.
Definition
ChEBI: A butanediol in which the two hydroxy groups are located at positions 1 and 2.
Flammability and Explosibility
Non flammable
Safety Profile
Moderately toxic by ingestion. Combustible when exposed to heat or flame. To fight fire, use alcohol foam. When heated to decomposition it emits acrid and irritating fumes.
Properties of 1,2-BUTANEDIOL
| Melting point: | -50 °C |
| Boiling point: | 191-192 °C/747 mmHg (lit.) |
| alpha | -0.2～+0.2°(20℃/D)(neat) |
| Density | 1.006 g/mL at 25 °C (lit.) |
| vapor pressure | 10-2130Pa at 20℃ |
| refractive index | n |
| Flash point: | 200 °F |
| form | clear liquid |
| pka | 14.49±0.20(Predicted) |
| color | Colorless to Light yellow |
| Water Solubility | 100-1000g/L at 25℃ |
| BRN | 969169 |
| CAS DataBase Reference | 584-03-2(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2-Butanediol (584-03-2) |
Safety information for 1,2-BUTANEDIOL
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 1,2-BUTANEDIOL
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