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81942

Propionic anhydride

Name: Propionic anhydride
Brand: SIAL

purum, ≥96.0% (NT)

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:

329769224

EC Number:

204-638-2

Beilstein/REAXYS Number:

507066

MDL number:

MFCD00009303

Assay:

≥96.0% (NT)

Form:

liquid

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Properties

vapor density

4.5 (vs air)

Quality Level

200

vapor pressure

10 mmHg ( 57.7 °C)

grade

purum

assay

≥96.0% (NT)

form

liquid

autoignition temp.

545 °F

expl. lim.

11.9 %

refractive index

n20/D 1.404

bp

167 °C (lit.)

mp

−43 °C (lit.)

solubility

H₂O: decomposes (when in contact with water)

density

1.010 g/mL at 20 °C, 1.015 g/mL at 25 °C (lit.)

functional group

anhydride, ester

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

Description

Application

Propionic anhydride can be used:

As an esterifying reagent in the modification of cassava starch by acylation reaction.
As a reactant along with anisole in the synthesis of 4-methoxypropiophenone using various solid acid catalysts via Friedel−Crafts acylation reaction.
As a reagent in the synthesis of cyanohydrin esters by treating KCN with aldehyde in presence of bimetallic titanium(salen) complex catalyst.

Other Notes

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pictograms

GHS05

signalword

Danger

hcodes

H314

pcodes

P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405

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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Modification of cassava starch by using propionic anhydride and properties of the starch-blended polyester polyurethane

Santayanon R and Wootthikanokkhan J

Carbohydrate Polymers, 51(1), 17-24 (2003)

Synthetic and mechanistic studies on asymmetric cyanohydrin synthesis using a titanium (salen) bimetallic catalyst

Belokon YN, et al.

Tetrahedron, 60(46), 10433-10447 (2004)

N-terminal isotope tagging with propionic anhydride: proteomic analysis of myogenic differentiation of C2C12 cells.

Hyung Wook Nam et al.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 826(1-2), 91-107 (2005-09-17)

N-Terminal isotope tagging (NIT) is an important proteomic tool for quantifying proteins in complex mixtures. Here we describe a modified version of the isotope-coded propionylation procedure of Zhang et al. [Zhang et al., Rapid Commun. Mass Spectom. 16 (2002) 2325]

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Global Trade Item Number

SKU	GTIN
81942-250ML	04061833000526
81942-1L	04061833000496