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Product Name: |
Natural gamma butyrolactone |
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CAS: |
96-48-0 |
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MF: |
C4H6O2 |
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MW: |
86.09 |
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EINECS: |
202-509-5 |
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Mol File: |
96-48-0.mol |
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|
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Melting point |
−45 °C(lit.) |
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Boiling point |
204-205 °C(lit.) |
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density |
1.12 g/mL at 25 °C(lit.) |
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vapor density |
3 (vs air) |
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vapor pressure |
1.5 mm Hg ( 20 °C) |
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refractive index |
n20/D 1.436(lit.) |
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FEMA |
3291 | 4-HYDROXYBUTANOIC ACID LACTONE |
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Fp |
209 °F |
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storage temp. |
2-8°C |
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form |
neat |
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explosive limit |
16% |
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Water Solubility |
MISCIBLE |
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JECFA Number |
219 |
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Merck |
13,1596 |
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BRN |
105248 |
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Stability: |
Stable. Hygroscopic. Incompatible with strong oxidizing agents, strong acids, strong bases, strong reducing agents. |
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InChIKey |
YEJRWHAVMIAJKC-UHFFFAOYSA-N |
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CAS DataBase Reference |
96-48-0(CAS DataBase Reference) |
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NIST Chemistry Reference |
«gamma»-Butyrolactone(96-48-0) |
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EPA Substance Registry System |
.gamma.-Butyrolactone (96-48-0) |
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Hazard Codes |
Xn,F |
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Risk Statements |
22-36-67-41-20/21/22-11 |
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Safety Statements |
26-36-39-36/37-16 |
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WGK Germany |
1 |
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RTECS |
LU3500000 |
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Autoignition Temperature |
851 °F |
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TSCA |
Yes |
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HS Code |
29322980 |
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Hazardous Substances Data |
96-48-0(Hazardous Substances Data) |
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Toxicity |
LD50 orally in rats: 17.2 ml/kg (Smyth) |
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Chemical properties |
Colorless transparent liquid It is miscible with water and the general organic and slightly soluble in aliphatic hydrocarbons. |
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Category |
Flammable substance |
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Toxicity grading |
Middle |
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Acute toxicity |
oral-rat LD50: 1540 mg/kg; oral-mouse LD50: 1720 mg/kg |
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Hazardous characteristics of the explosive |
Explosible when react with butanol, 2,4-dichlorophenol and sodium hydroxide |
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Flammability hazard |
Flammable in case of heat, open flame; being able to react with oxidant; releasing toxic pungent smoke when in the process of pyrolysis. |
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Storage and transportation properties |
Make sure ventilating, low temperature and drying in the warehouse; separate from the oxidant; prevent fires. |
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Extinguishing agent |
Dry powder, carbon dioxide, foam |
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Occurrence |
Reported found as a constituent in coffee aroma; a volatile flavor component in roasted filberts as well. Also reported found in tomato, potato, soybeans, beans, vinegar, mushrooms, roasted chicken, beef, cider, beer, wine, scallops and clams. |
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Uses |
r-butyrolactone is one kind of important fine chemicalintermediate, simultaneously also is one kind of performance fine highboiling point solvent, ideal antioxidant, plasticizer,extracting agent, absorbent, dispersing agent, solid stain, Coagulation Reagent. |
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Uses |
Intermediate in the synthesis of polyvinylpyrrolidone, DL-methionine, piperidine, phenylbutyric acid, thiobutyric acids. Solvent for polyacrylonitrile, cellulose acetate, methyl methacrylate polymers, polystyrene. Constituent of paint removers, textile aids, drilling oils. |
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Hazard |
Toxic by ingestion. Questionable carcino- gen. |
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Fire Hazard |
gamma-Butyrolactone is combustible. |
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Shipping |
Listed by some sources as unregulated. UN2810 Toxic liquids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1—Poisonous materials, Technical Name Required. |
