4-Methyl-2-thiophenecarboxylic acid
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4-Methyl-2-thiophenecarboxylic acid
structure -
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CAS No:
14282-78-1
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Formula:
C6H6O2S
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Chemical Name:
4-Methyl-2-thiophenecarboxylic acid
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Synonyms:
4-Methyl-2-thiophenecarboxylic acid;2-Carboxy-4-methylthiophene;2-Carboxy-4-methylthiophene, 4-Methyl-2-thenoic acid;4-Methylthiophene-2-carboxylic acid 97%;BUTTPARK 99\15-30;ASINEX-REAG BAS 07664671;4-METHYLTHIOPHENE-2-CARBOXYLIC ACID;4-methylthiophen-2-carboxlic acid
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CAS No:
Characteristics
65.5
1.8
white to light yellow crystal powder
1.319±0.06 g/cm3(Predicted)
122-126 °C(lit.)
158 °C(Press: 16 Torr)
121.5±21.8 °C
1.591
0.0022mmHg at 25°C
Safety Information
IRRITANT
NONH for all modes of transport
3
36-43
26-37/39
Xi
Irritant
P280-P305 + P351 + P338
H317-H319
|Warning|H317 (97.5%): May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P264, P272, P280, P302+P352, P305+P351+P338, P321, P333+P313, P337+P313, P363, and P501|Aggregated GHS information provided by 40 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Computed Properties
Molecular Weight:142.18
XLogP3:1.8
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:142.00885060
Monoisotopic Mass:142.00885060
Topological Polar Surface Area:65.5
Heavy Atom Count:9
Complexity:124
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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4-Methyl-2-thiophenecarboxylic acid
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