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2-Thiopheneacetic acid

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2-Thiopheneacetic acid Basic information

Product Name:
2-Thiopheneacetic acid
CAS:
1918-77-0
MF:
C6H6O2S
MW:
142.18
EINECS:
217-639-8
Mol File:
1918-77-0.mol
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2-Thiopheneacetic acid Chemical Properties

Melting point:
63-64 °C(lit.)
Boiling point:
160 °C22 mm Hg(lit.)
Density 
1.365 (estimate)
refractive index 
1.5300 (estimate)
Flash point:
160°C/22mm
storage temp. 
Store below +30°C.
pka
4.23±0.10(Predicted)
form 
Crystalline Powder
color 
Slightly brown to brown
Water Solubility 
Soluble in water, ethanol, ether and carbon tetrachloride.
BRN 
114551
CAS DataBase Reference
1918-77-0(CAS DataBase Reference)
NIST Chemistry Reference
2-Thiopheneacetic acid(1918-77-0)
EPA Substance Registry System
2-Thiopheneacetic acid (1918-77-0)
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Safety Information

Hazard Codes 
C,Xi
Risk Statements 
34-37-36/37/38
Safety Statements 
26-36/37/39-45-24/25-27
RIDADR 
UN 3261 8/PG 2
WGK Germany 
3
Hazard Note 
Irritant
TSCA 
T
HazardClass 
8
PackingGroup 
III
HS Code 
29349990

MSDS

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2-Thiopheneacetic acid Usage And Synthesis

Chemical Properties

white to light yellow crystal powder

Synthesis Reference(s)

Canadian Journal of Chemistry, 46, p. 1057, 1968 DOI: 10.1139/v68-179
Journal of the American Chemical Society, 72, p. 4326, 1950

Purification Methods

Crystallise the acid from ligroin, hexane and/or distil it in a vacuum. The amide has m 148o (from H2O or pet ether). [Beilstein 18 H 293, 18 III/IV 4062, 18/6 V 207.]

2-Thiopheneacetic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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Shanghai Biobond Pharmaceutical Co.,Ltd. Gold
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Alfa Aesar
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