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Chemical name: 1,4-butyrolactone; γ-Butyrolactone
CAS NO.：96-48-0
Molecular formula:C4H6O2
Character: colorless and transparent oily liquid with odor similar to acetone; be miscible with water, acetone, carbon tetrachloride and ethanol, and can be decomposed in hot lye with aromatic odor.
Application:
r-butyrolactone is an important organic chemical raw material, which is widely used in the pharmaceutical, pesticide, petrochemical and
other industries.
1. It can be used to synthesize pyrrolidone products;
2. It can be used as a pharmaceutical intermediate, such as Cyclopropylamine and vitamin;
3. It can be used as a pesticide intermediate, such as herbicide and plant growth regulator;
4. It can be used for alkenes, alkynes extraction agent, absorbent and dispersing agent;
5. It can be used to synthesize resin as an antioxidant, plasticizer, dispersing agent, fixing agent and solvent;
6. It can be used to synthesize fiber spinning solvent, coagulant, dyeing assistant and antistatic agent;
7. It can be used as a raw material of color film former, electrolyte, capacitor and ink lubricant.
Specification and indicators
ltems | lndustrial grade | Electronic grade | Micro-electronic grade |
Purity (GC，wt%) | ≥99.5% | ≥99.8% | 99.90% |
Water (K.F.,wt%) | ≤0.05% | ≤0.03% | ≤0.02% |
Chroma (Hazen，APHA) | ≤10# | ≤10# | ≤10# |
1,4 butanediol（wt%） | ≤0.05 | ≤0.03 | ≤0.03 |
acid number（wt%） | ≤0.05 | ≤0.03 | ≤0.03 |
Density (@20℃，g/ml) | 1.125～1.135 | 1.125～1.135 | 1.125～1.135 |
Refractive index (@20℃) | 1.435～1.438 | 1.435～1.438 | 1.435～1.438 |
Manufacturing
