4221-99-2
4221-99-2 structure
- Name: (S)-(+)-2-Butanol
- Chemical Name: (2S)-butan-2-ol
- CAS Number: 4221-99-2
- Molecular Formula: C4H10O
- Molecular Weight: 74.122
- Create Date: 2018-05-31 08:00:00
- Modify Date: 2025-08-21 15:42:15
| Name | (2S)-butan-2-ol |
|---|---|
| Synonyms |
(S)-(+)-sec-Butanol
butyl alcohol EINECS 224-168-1 (2S)-2-Butanol (S)-2-butanol 2-Butanol, (S)- (S)-(+)-sec-Butyl alcohol MFCD00064281 (2S)-(+)-2-Hydroxybutane S-2-butanol (S)-(+)-2-Butanol D-(+)-Ethylmethylcarbinol 2-Butanol, (2S)- butanol 2-Butanol (2S)-Butan-2-ol (2S)-(+)-Butan-2-ol (S)-butan-2-ol |
| Density | 0.8±0.1 g/cm3 |
|---|---|
| Boiling Point | 96.6±3.0 °C at 760 mmHg |
| Melting Point | -114ºC |
| Molecular Formula | C4H10O |
| Molecular Weight | 74.122 |
| Flash Point | 26.7±0.0 °C |
| Exact Mass | 74.073166 |
| PSA | 20.23000 |
| LogP | 0.69 |
| Vapour Pressure | 25.2±0.3 mmHg at 25°C |
| Index of Refraction | 1.393 |
| Symbol |
GHS02, GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H226-H319-H335-H335 + H336-H336 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xi:Irritant; |
| Risk Phrases | R10;R36/37;R67 |
| Safety Phrases | S13-S24/25-S26-S46-S7/9 |
| RIDADR | UN 1120 |
| WGK Germany | 1 |
| RTECS | EO1750000 |
| Packaging Group | III |
| Hazard Class | 3 |
| Precursor 8 | |
|---|---|
| DownStream 9 | |
