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Merck
CN

P51478

Propionic anhydride

97%

Synonym(s):

Propanoic anhydride

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About This Item

Linear Formula:
(CH3CH2CO)2O
CAS Number:
123-62-6
Molecular Weight:
130.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24898599
EC Number:
204-638-2
Beilstein/REAXYS Number:
507066
MDL number:
MFCD00009303

Key Documents

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Product Name

Propionic anhydride, 97%

InChI key

WYVAMUWZEOHJOQ-UHFFFAOYSA-N

InChI

1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3

SMILES string

CCC(=O)OC(=O)CC

vapor density

4.5 (vs air)

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.)

Quality Level

200

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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.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

165.2 °F - closed cup

flash_point_c

74 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SDBB3924
SDBB0741
SDBB1293
MKCW0273
MKCT1116

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Dimensional stabilisation and strength of particleboard by chemical modification with propionic anhydride.
Papadopoulos AN & Gkaraveli A
European Journal of Wood and Wood Products, 61(2), 142-144 (2003)
Anhydrides as acylating agents in lipase-catalyzed stereoselective esterification of racemic alcohols.
Bianchi D, et al.
The Journal of Organic Chemistry, 53(23), 5531-5534 (1988)
Surendra Nimesh et al.
International journal of pharmaceutics, 337(1-2), 265-274 (2007-01-27)
Polyethylenimine (750 kDa) has been derivatized to influence the proton sponge mechanism and hydrophobic-hydrophilic balance. The polymer was acylated using acid anhydrides of varying carbon chain length, followed by cross-linking with PEG-bis-P to form compact nanoparticles. The chemical linkages in
Robert Meatherall et al.
Journal of analytical toxicology, 33(8), 525-531 (2009-10-31)
Azide in human blood and plasma samples was derivatized with propionic anhydride in a headspace vial without prior sample preparation. The reaction proceeds quickly at room temperature to form propionyl azide. A portion of the headspace was assayed by gas
Haim Tsubery et al.
The Journal of biological chemistry, 279(37), 38118-38124 (2004-06-11)
Polyethylene glycol (PEG)-conjugated therapeutic peptides/proteins have been shown to exhibit clinical properties superior to those of their corresponding unmodified parent molecules. However, the desirable pharmacological features gained by protein PEGylation become irrelevant if conjugates are inactivated or cannot reach their
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