Molecular Formula:

C4H6
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BLO
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Last updated: 2017-07-18 12:37
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Details
r-butyrolactone
Chemicalname: 1,4-butyrolactone; gamma-butyrolactone; BLO; GBL
CAS NO.:96-48-0
Properties:

Molecular Formula:

 C4H6O2

Molecular Weight:

86.09

Structural Formula:

Density(D420)g/ml:

1.125~1.135

Melting Point:

-44℃

Boiling Point:

206℃

Flash Point:
Ignition temperature

99.2℃
455℃

Refractive Index:nd20

1.434~1.440

 

 

 

 

Appearance:

Colorless clear oily liquid with acetone-like odor
Specification:
γ-butyrolactone specification(Operative Standard: Q/1400MCX001-2009) :

Item

Excellent Grade

Test Method

Appearance

Colorless transparent liquid

Eye-measurement

Purity %

≥99.50

Gas chromatography

Moisture %

≤0.050

Karl Fischer method

Tone APHA

≤15

Colorimetry

Density (D420) g/ml

1.125—1.135

Proportion

Refractive rate (nD20)

1.434—1.440

Spectrophotometry
Uses:
(1) GBL can be used to produce a-pyrrolidone, 1-Methyl-2-pyrrolidinone , polyvinyl pyrrolidone, and α-Acetyl-γ-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; Moreover, it can also be used in battery, capacitor and development of color film.
Storage and Transportation:
Stored in cool and airy place; away from fire and heat; handle with care; no breakage, avoid leakage
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