PRODUCTS > γ-butyrolactone (GBL)
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γ-butyrolactone (GBL)

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.

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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)1.125～1.1351.125～1.1351.125～1.135
Refractive index (@20℃)1.435～1.4381.435～1.4381.435～1.438


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