Gamma-Butyrolactone Cas No:- 96-48-0

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Product Name :- Gamma-Butyrolactone
Cas No :- 96-48-0
Chemical synonyms ;- γ-Hydroxybutyric acid lactone, 4-Hydroxybutyric acid lactone,
gamma-Butyrolactone, GBL
Chemical Form :- liquid
Molecular Weight :- 86.09 g/mol
Chemical Formula :- C4H6O2
Boiling Point :- 204 °C
Melting Point :- −43.53 °C
Flash Point :- 98 °C
Density :- 1.1286 g/mL
Category :- Solvents, Lactones, Sedatives, Tetrahydrofurans
Uses :- a solvent in lotions, a solvent in lotions

9.1 Information on basic physical and chemical properties
a) Appearance Form: liquid, clear Color: colorless
b) Odor unpleasant
c) Odor Threshold No data available
d) pH 4 – 5 at 100 g/l at 20 °C

e) Melting
point/freezing point
f) Initial boiling point and boiling range

Melting point/range: -45 °C – lit. 204 – 205 °C – lit.

g) Flash point 98 °C – closed cup
h) Evaporation rate No data available

i) Flammability (solid, gas)
j) Upper/lower flammability or explosive limits

No data available

Upper explosion limit: 16 %(V) Lower explosion limit: 1,4 %(V)

k) Vapor pressure ca.0,34 hPa at 20 °C – (calculated)
3 hPa at ca.52 °C –
l) Vapor density 2,97 – (Air = 1.0)
m) Relative density 1,12 g/cm³ at 25 °C – lit.
n) Water solubility 1.000 g/l at 20 °C – OECD Test Guideline 105- miscible in all

o) Partition coefficient: n-octanol/water
p) Autoignition temperature
q) Decomposition temperature

r) Viscosity Viscosity, kinematic: No data available
Viscosity, dynamic: 2 mPa.s at 20 °C1,25 mPa.s at 25 °C1,25 mPa.s at 50 °C
s) Explosive properties No data available
t) Oxidizing properties No data available

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