β-丁内酯
beta-butyrolactone
CAS: 3068-88-0
Molecular Formula: C4H6O2
β-丁内酯 - Names and Identifiers
| Name | beta-butyrolactone |
| Synonyms | Butyrolactone beta-butyrolactone dihydrofuran-2(3H)-one 2-Oxetanone, 4-methyl- b-Methyl-b-propiolactone (4S)-4-methyloxetan-2-one (4R)-4-methyloxetan-2-one (R,S)-4-Methyl-oxetan-2-one dl-B-hydroxybutyric acid lactone 3-hydroxybutanoicacid,beta-lactone 3-Hydroxybutanoic acid, beta-lactone 4-Methyl-2-oxetanonebeta-Methylpropiolactone 3-Hydroxybutyric acid lactone~4-Methyl-2-oxetanone~2-Methyl-beta-propiolactone β-Butyrolactone,β-Methyl-β-propiolactone, 3-Hydroxybutyric acid β-lactone, 4-Methyl-2-oxetanone |
| CAS | 3068-88-0 |
| EINECS | 221-330-3 |
| InChI | InChI=1/C4H6O2/c1-3-2-4(5)6-3/h3H,2H2,1H3/t3-/m0/s1 |
β-丁内酯 - Physico-chemical Properties
| Molecular Formula | C4H6O2 |
| Molar Mass | 86.09 |
| Density | 1.056g/mLat 25°C(lit.) |
| Melting Point | −43.5°C(lit.) |
| Boling Point | 71-73°C29mm Hg(lit.) |
| Flash Point | 140°F |
| Water Solubility | 132.7g/L(18 ºC) |
| Vapor Presure | 2.09mmHg at 25°C |
| Appearance | neat |
| Stability | Stable. Incompatible with strong bases, strong oxidizing agents. Flammable. |
| Refractive Index | n20/D 1.411(lit.) |
β-丁内酯 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R36/38 - Irritating to eyes and skin. R40 - Limited evidence of a carcinogenic effect |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | RQ8050000 |
| Hazard Class | 3.2 |
| Packing Group | III |
β-丁内酯 - Reference Information
| (IARC) carcinogen classification | 2B (Vol. 11, Sup 7, 71) 1999 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| category | toxic substances |
| toxicity classification | low toxicity |
| acute toxicity | oral-rat LD50: 17200 microl/kg |
| stimulation data | skin-rabbit 500 mg moderate |
| flammability hazard characteristics | thermal decomposition discharges spicy and irritating smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | water, dry powder, carbon dioxide, foam |
Last Update：2024-07-29 12:39:56
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QQ: 2531159185
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Product Name: β-Butyrolactone Visit Supplier Webpage Request for quotationCAS: 3068-88-0
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328
WhatsApp: +86-18821248368
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