ChemicalBook Product Catalog Chemical Reagents Organic reagents Esters Lactones 2-Bromo-4-butanolide

2-Bromo-4-butanolide

2-Bromo-4-butanolide Basic information
Product Name:2-Bromo-4-butanolide
Synonyms:2-BROMO-GAMMA-BUTYROLACTONE;2-BROMO-Y-BUTYROLACTONE;2-bromo-4-butanolide;2-BROMO-4-HYDROXYBUTYRIC ACID GAMMA-LACTONE;2-BROMO-4-HYDROXYBUTYRIC ACID LACTONE;BROMO(ALPHA-)-GAMMA-BUTYROLACTONE;2-Bromo-4-butyrolactone;2-Bromobutyrolactone
CAS:5061-21-2
MF:C4H5BrO2
MW:164.99
EINECS:225-764-4
Product Categories:Pharmaceutical Intermediates;Heterocycles;Miscellaneous Reagents;5061-21-2;bc0001
Mol File:5061-21-2.mol
2-Bromo-4-butanolide Structure
2-Bromo-4-butanolide Chemical Properties
Boiling point 138 °C/6 mmHg (lit.)
density 1.786 g/mL at 25 °C (lit.)
refractive index n20/D 1.508(lit.)
Fp >230 °F
storage temp. Inert atmosphere,2-8°C
solubility Acetone, Chloroform, Ethyl Acetate, Methanol
form Clear Colourless to Light Yellow Liquid
Specific Gravity1.778 (20/4℃)
Sensitive Moisture Sensitive/Lachrymatory
BRN 107800
InChIInChI=1S/C4H5BrO2/c5-3-1-2-7-4(3)6/h3H,1-2H2
InChIKeyLFJJGHGXHXXDFT-UHFFFAOYSA-N
SMILESO1CCC(Br)C1=O
CAS DataBase Reference5061-21-2(CAS DataBase Reference)
NIST Chemistry Reference2(3H)-Furanone, 3-bromodihydro-(5061-21-2)
EPA Substance Registry System2(3H)-Furanone, 3-bromodihydro- (5061-21-2)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
RIDADR UN 2810
WGK Germany 3
F 21
Hazard Note Irritant/Keep Cold/Lachrymatory/Moisture Sensitive
TSCA Yes
HS Code 29322980
MSDS Information
ProviderLanguage
2-Bromo-4-hydroxybutyric acid gamma-lactone English
SigmaAldrich English
ACROS English
ALFA English
2-Bromo-4-butanolide Usage And Synthesis
Chemical PropertiesPale Yellow Liquid
UsesLactams inhibit type Q arylesterase activity of human serum paraoxonase PON1.
2-Bromo-4-butanolide Preparation Products And Raw materials
Raw materialsGovernment regulation-->Gamma Butyrolactone
Preparation ProductsSPIZOFURONE-->2-Oxotetrahydrofuran-3-yl methacrylate-->ALPHA-HEXYL-GAMMA-BUTYROLACTONE
p-Toluenesulfonic acid Zinc oxide Manganese dioxide Dimethyl sulfoxide Tungsten Sodium carbonate Citric acid BETA-BUTYROLACTONE 2-Bromo-4-butanolide SALOR-INT L132004-1EA TRIOXSALEN A-BROMO-A-TRIFLUOROACETYL-G-BUTYROLACTONE, HYDRATE ALPHA-BROMO-ALPHA-METHYL-GAMMA-BUTYROLACTONE Bromine ALPHA-BROMO-GAMMA-VALEROLACTONE Gamma Butyrolactone Diethylstilbestrol
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