(R,S)-2-Methyl-butan-1-ol
DL-2-Methyl-1-butanol
CAS: 137-32-6
Molecular Formula: C5H12O
(R,S)-2-Methyl-butan-1-ol - Names and Identifiers
| Name | DL-2-Methyl-1-butanol |
| Synonyms | 2-methylbutanol 2-methyl-1-butano 2-Methyl-1-butanol 2-Methyl butanol-1 2-methylbutan-1-ol 2-methyl-butan-1-ol 1-Butanol,2-methyl- DL-2-Methyl-1-butanol (±)-2-methyl-butan-1-ol (R,S)-2-Methyl-butan-1-ol 2-methyl-1-butanol (active amyl alcohol) |
| CAS | 137-32-6 |
| EINECS | 205-289-9 |
| InChI | InChI=1/C5H12O/c1-3-5(2)4-6/h5-6H,3-4H2,1-2H3/t5-/m0/s1 |
(R,S)-2-Methyl-butan-1-ol - Physico-chemical Properties
| Molecular Formula | C5H12O |
| Molar Mass | 88.15 |
| Density | 0.819g/mLat 20°C(lit.) |
| Melting Point | −70°C(lit.) |
| Boling Point | 130°Cmm Hg(lit.) |
| Specific Rotation(α) | -0.1～+0.1°(20℃/D)(neat) |
| Flash Point | 110°F |
| JECFA Number | 1199 |
| Water Solubility | 3.6 g/100 mL (30 ºC) |
| Solubility | water: slightly soluble3.6g/a00g at 30°C |
| Vapor Presure | 3 mm Hg ( 20 °C) |
| Vapor Density | 3 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to very slightly yellow |
| Merck | 14,6030 |
| BRN | 1718810 |
| pKa | 15.24±0.10(Predicted) |
| PH | 7 (H2O) |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 1.2-10.3%(V) |
| Refractive Index | n20/D 1.411 |
| Physical and Chemical Properties |
|
| Use | Used as a pharmaceutical Intermediate |
(R,S)-2-Methyl-butan-1-ol - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R20 - Harmful by inhalation R37 - Irritating to the respiratory system R66 - Repeated exposure may cause skin dryness or cracking |
| Safety Description | S46 - If swallowed, seek medical advice immediately and show this container or label. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 1105 3/PG 3 |
| WGK Germany | 3 |
| RTECS | EL5250000 |
| TSCA | Yes |
| HS Code | 29051500 |
| Hazard Class | 3 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 4170 mg/kg LD50 dermal Rabbit 2900 mg/kg |
(R,S)-2-Methyl-butan-1-ol - Upstream Downstream Industry
| Raw Materials | Fuseloil |
(R,S)-2-Methyl-butan-1-ol - Reference Information
| FEMA | 3998 | (+/-)-2-METHYL-1-BUTANOL |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | as a useful raw material for the synthesis of pharmaceutical intermediates . |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 1000 mg/kg |
| stimulation data | Skin-rabbit 8.193 mg mild |
| explosive hazard characteristics | mixture of vapor and air can be exploded |
| flammability hazard characteristics | flammable; Spicy and irritating smoke emitted from fire scene |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Storage and transportation is separated from oxidant |
| extinguishing agent | dry powder, carbon dioxide, 1211, foam |
| spontaneous combustion temperature | 725 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for (R,S)-2-Methyl-butan-1-ol