γ-Butyrolactone (96-48-0) I. Basic Information
1. Chemical name: γ-butyrolactone
2. Chinese alias: γ-butyrolactone; 1,4-butyrolactone; dihydrofuran-2-one; 4-hydroxybutyrolactone; GBL
3. English name: γ-Butyrolactone
4. Molecular formula: C4H6O2
5. Molecular weight: 86.09
6. CAS number: 96-48-0
7. EINECS number: 202-509-5
8. Appearance: It is a colorless, oily, transparent liquid at room temperature and pressure, with a faint characteristic odor similar to acetone. It has strong moisture absorption and is easily soluble in water to form a transparent solution
II. Technical Parameters
project
indicator
electronic grade
Premium product
qualified product
γ-Butyrolactone, w/% ≥
ninety-nine point nine
ninety-nine point seven
ninety-nine point five
Moisture, w/% ≤
zero point zero three
zero point zero five
zero point one zero
Chromaticity/Hazen unit (platinum-cobalt color number) ≤
ten
ten
thirty
1,4-butanediol, w/% ≤
zero point zero five
zero point one zero
—
Tetrahydrofuran, w/% ≤
zero point zero five
—
—
Acetal, w/% ≤
zero point zero zero five
—
—
Acid value (calculated as butyric acid), w/% ≤
zero point zero five
zero point zero five
—
anion
Cl-/(mg/kg) ≤
zero point three zero
—
—
SO42-/(mg/kg) ≤
one
—
—
NO3-/(mg/kg) ≤
one
—
—
metal ion
Fe/(mg/kg) ≤
zero point zero five
—
—
Cu/(mg/kg) ≤
zero point zero five
—
—
Zn/(mg/kg) ≤
zero point zero five
—
—
Pb/(mg/kg) ≤
zero point zero five
—
—
Na/(mg/kg) ≤
zero point five zero
—
—
K/(mg/kg) ≤
zero point five zero
—
—
(The above parameters are reference values, and the specific details are subject to the factory inspection sheet.)
III. Packaging Specifications
1. Packed in 200kg iron drums
2. Tanker truck