Natural Gamma Butyrolactone

Product Name:

Natural gamma butyrolactone

CAS:

96-48-0

MF:

C4H6O2

MW:

86.09

EINECS:

202-509-5

Mol File:

96-48-0.mol

Melting point 

−45 °C(lit.)

Boiling point 

204-205 °C(lit.)

density 

1.12 g/mL at 25 °C(lit.)

vapor density 

3 (vs air)

vapor pressure 

1.5 mm Hg ( 20 °C)

refractive index 

n20/D 1.436(lit.)

FEMA 

3291 | 4-HYDROXYBUTANOIC ACID LACTONE

Fp 

209 °F

storage temp. 

2-8°C

form 

neat

explosive limit

16%

Water Solubility 

MISCIBLE

JECFA Number

219

Merck 

13,1596

BRN 

105248

Stability:

Stable. Hygroscopic. Incompatible with strong oxidizing agents, strong acids, strong bases, strong reducing agents.

InChIKey

YEJRWHAVMIAJKC-UHFFFAOYSA-N

CAS DataBase Reference

96-48-0(CAS DataBase Reference)

NIST Chemistry Reference

«gamma»-Butyrolactone(96-48-0)

EPA Substance Registry System

.gamma.-Butyrolactone (96-48-0)

Hazard Codes 

Xn,F

Risk Statements 

22-36-67-41-20/21/22-11

Safety Statements 

26-36-39-36/37-16

WGK Germany 

1

RTECS 

LU3500000

Autoignition Temperature

851 °F

TSCA 

Yes

HS Code 

29322980

Hazardous Substances Data

96-48-0(Hazardous Substances Data)

Toxicity

LD50 orally in rats: 17.2 ml/kg (Smyth)

Chemical properties

Colorless transparent liquid It is miscible with water and the general organic and slightly soluble in aliphatic hydrocarbons.

Category

Flammable substance

Toxicity grading

Middle

Acute toxicity

oral-rat LD50: 1540 mg/kg; oral-mouse LD50: 1720 mg/kg

Hazardous characteristics of the explosive

Explosible when react with butanol, 2,4-dichlorophenol and sodium hydroxide

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.

Storage and transportation properties

Make sure ventilating, low temperature and drying in the warehouse; separate from the oxidant; prevent fires.

Extinguishing agent

Dry powder, carbon dioxide, foam

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.

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.

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.

Hazard

Toxic by ingestion. Questionable carcino- gen.

Fire Hazard

gamma-Butyrolactone is combustible.

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.