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Propiolic Acid

Propiolic acid / CAS : 471-25-0

Appearance viscous yellow liquid UN 2920 8/PG 2
HS 2916190090 DG Class 8
Synonyms 2-Propynoic acid; Propargylic acid; prop-2-Ynoic acid; Propynoic acid; Acetylenecarboxylic acid; Carboxyacetylene; Acetylenemonocarboxylate; Acetylene Carboxylic acid; Propinsaeure; Propiolsaeure; Propinic acid; Propiolic acid, 95%; Acetylenemonocarboxylic acid; 2-Propyne-1-Carboxylic ACID; Propiolic acid, Technical, >=95% (T)
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Properties

Summary

Formula
C3H2O2
Molecular Mass
70.04680
Exact Mass
70.00550
PSA
37.30000
Logp
-0.29580
IUPAC
prop-2-ynoic acid
SMILES
C#CC(=O)O

Attribute classification

Matter Classification
organic
Category
Organic Chemical Materials > Carboxylic Acids and Derivatives

Chemical and Physical Properties

Melting Point
16-18 °C(lit.)
Density
1.138 g/mL at 25 °C(lit.)
Boiling Point
102 °C200 mm Hg(lit.)
Flash Point
138 °F
Appearance
viscous yellow liquid

Export information

HS Code
2916190090
Export Rebate
13%
UN No.
2920 8/PG 2
DG-Class
8
Risk Code
R25; R34
Safety Label
T

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