03-5330
γ-Butyrolactone
SAJ first grade, ≥99.5%
Synonym(s):
γ-Hydroxybutyric acid lactone, 4-Hydroxybutyric acid lactone, GBL
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About This Item
Empirical Formula (Hill Notation):
C4H6O2
CAS Number:
Molecular Weight:
86.09
Beilstein/REAXYS Number:
105248
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
grade
SAJ first grade
vapor density
3 (vs air)
vapor pressure
1.5 mmHg ( 20 °C)
assay
≥99.5%
autoignition temp.
851 °F
expl. lim.
16 %
availability
available only in Japan
refractive index
n20/D 1.436 (lit.)
bp
204-205 °C (lit.)
mp
−45 °C (lit.)
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Biochem/physiol Actions
Precursor of γ-hydroxybutyric acid (GHB). It blocks dopamine release by blocking impulse flow in dopaminergic neurons. Pretreatment with γ-butyrolactone allows detection of autoreceptor-induced dopamine release.
Precursor of γ-hydroxybutyric acid (GHB); blocks dopamine release.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - STOT SE 3
target_organs
Central nervous system
Storage Class
10 - Combustible liquids
wgk_germany
WGK 1
flash_point_f
208.4 °F - closed cup
flash_point_c
98 °C - closed cup
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