P51478
Propionic anhydride
97%
Synonym(s):
Propanoic anhydride
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About This Item
Linear Formula:
(CH3CH2CO)2O
CAS Number:
Molecular Weight:
130.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-638-2
Beilstein/REAXYS Number:
507066
MDL number:
Assay:
97%
vapor density
4.5 (vs air)
Quality Segment
vapor pressure
10 mmHg ( 57.7 °C)
assay
97%
autoignition temp.
545 °F
expl. lim.
11.9 %
refractive index
n20/D 1.404 (lit.)
bp
167 °C (lit.)
mp
−43 °C (lit.)
solubility
H2O: decomposes (when in contact with water)
density
1.015 g/mL at 25 °C (lit.)
SMILES string
CCC(=O)OC(=O)CC
InChI
1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3
InChI key
WYVAMUWZEOHJOQ-UHFFFAOYSA-N
Application
Propionic anhydride can be used as an acylating agent for the lipase-catalyzed esterification of alcohols. Recent studies indicate that the particle boards manufactured from wood chips modified with propionic anhydride show enhanced dimensional stability.
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
flash_point_f
165.2 °F - closed cup
flash_point_c
74 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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