R-butyrolactone

We are offering our customers a wide range of R-Butyrolactone, which are available following Specifications :-
Chemical name: 1,4-butyrolactone; gamma-butyrolactone; BLO; GBL
CAS NO.:96-48-0
Molecular Formula:
C4H6O2 Molecular Weight: 86.09
Structural Formula:
Density(D420)g/ml: 1.125~1.135
Melting Point: -44a
Boiling Point: 206a
Flash Point:
Ignition temperature : 99.2a , 455a
Refractive Index:nd20
1.434~1.440
Appearance: Colorless clear oily liquid with acetone-like odor
I -butyrolactone specification(Operative Standard: Q/1400MCX001-2009) : Item
Excellent Grade
Test Method
Appearance
Colorless transparent liquid
Eye-measurement
Purity %
a Y99.90
Gas chromatography
Moisture %
a 0.050
Karl Fischer method
Tone APHA
a 15
Colorimetry
Density (D420) g/ml
1.125a 1.135
Proportion
Refractive rate (nD20)
1.434a 1.440
Spectrophotometry
Uses:
(1) GBL can be used to produce a-pyrrolidone, 1-Methyl-2-pyrrolidinone , polyvinyl pyrrolidone, and I -Acetyl-I -butyrolactone, etc.
(2)GBL can be used as anaesthetic and tranquilizer, used to produce ciprofloxacin and interferon, as the intermediate of vitamin and rolicyprine;
(3) GBL is the intermediate of plant growth stimulator and insecticide.
(4)GBL is a good antioxidant, plasticizer, extractant, adsorbent, dispersant, fixative and curing agent.