2-hydroxybutanal
3-hydroxybutyraldehyde
CAS: 107-89-1
Molecular Formula: C4H8O2
2-hydroxybutanal - Names and Identifiers
| Name | 3-hydroxybutyraldehyde |
| Synonyms | aldol acetaldol 3-Butanolal 3-hydroxybutanal 2-hydroxybutanal ALDOL(TECHNICAL) 3-Hydroxybutanal 3-hydroxy-butana 3-hydroxy-Butanal Butanal,3-hydroxy- Butanal, 3-hydroxy- 3-hydroxy-butyraldehyd 3-hydroxybutyraldehyde beta-Hydroxybutyraldehyde |
| CAS | 107-89-1 |
| EINECS | 203-530-2 |
| InChI | InChI=1/C4H8O2/c1-2-4(6)3-5/h3-4,6H,2H2,1H3 |
2-hydroxybutanal - Physico-chemical Properties
| Molecular Formula | C4H8O2 |
| Molar Mass | 88.11 |
| Density | d16 1.109 |
| Boling Point | bp20 83° |
| Flash Point | 150°F (OC) |
| Vapor Presure | 3.276mmHg at 25°C |
| Vapor Density | 3.04 |
| Color | Clear, white-to-yellow syrupy liquid |
| pKa | 14.50±0.20(Predicted) |
| Refractive Index | 1.4238 |
| Physical and Chemical Properties | Colorless viscous liquid. The boiling point of 83 deg C (2.67kPa),85 deg C decomposition; The relative density of 1.103(20/4 deg C), the refractive index of 1.4238, 69 deg C flash point. Soluble in water, acetone, ethanol, ether. |
2-hydroxybutanal - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R24 - Toxic in contact with skin R36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 2839 |
| Hazard Class | 6.1(a) |
| Packing Group | II |
| Toxicity | LD50 orally in rats: 2.18 g/kg (Smyth) |
2-hydroxybutanal - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | is useful as an intermediate in organic synthesis. Used for the preparation of butenol, anti-aging agent AH, anti-aging agent AP, spices, mineral flotation agent, drug sedatives and hypnotics. |
| production method | is obtained by condensation of acetaldehyde in sodium hydroxide solution. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 2180 mg/kg |
| stimulation data | Skin-rabbits 10 mg/24 h mild; eye-rabbit 100 mg/24 h moderate |
| flammability hazard characteristics | open flame, high temperature, strong oxidant flammable; Thermal decomposition of toxic crotonaldehyde gas; combustion emissions |
| storage and transportation characteristics | The package is complete, light and light unloading; The warehouse is ventilated, away from open flame, high temperature, separate from oxidant |
| fire extinguishing agent | foam, dry powder, carbon dioxide, water mist, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-06-20 15:56:48
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