| 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 |
