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| Topic | r-butyrolactone |
| Name | wan |
| Company | Jinan Yunxiang Chemical co.,LTD |
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| Date Created | 1/10/2013 8:41:36 AM |
| Message | 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 %
≥99.90
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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