ChemicalBook > CAS DataBase List > 4-Methyl-2-thiophenecarboxylic acid

4-Methyl-2-thiophenecarboxylic acid

Product Name
4-Methyl-2-thiophenecarboxylic acid
CAS No.
14282-78-1
Chemical Name
4-Methyl-2-thiophenecarboxylic acid
Synonyms
4-METHYLTHIOPHENE-2-CARBOXYLIC ACID;BUTTPARK 99\15-30;ASINEX-REAG BAS 07664671;2-Carboxy-4-methylthiophene;4-methylthiophen-2-carboxlic acid;4-methylthiophen-2-carboxylic acid;4-Methyl-2-thiophenecarboxylic acid;2-Thiophenecarboxylic acid, 4-methyl-;4-Methylthiophene-2-carboxylic acid 97%;2-Carboxy-4-methylthiophene, 4-Methyl-2-thenoic acid
CBNumber
CB9767715
Molecular Formula
C6H6O2S
Formula Weight
142.18
MOL File
14282-78-1.mol
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4-Methyl-2-thiophenecarboxylic acid Property

Melting point:
122-126 °C(lit.)
Boiling point:
158 °C(Press: 16 Torr)
Density 
1.319±0.06 g/cm3(Predicted)
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
pka
3.76±0.10(Predicted)
CAS DataBase Reference
14282-78-1(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
36-43
Safety Statements 
26-37/39
WGK Germany 
3
HazardClass 
IRRITANT
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H317May cause an allergic skin reaction

H319Causes serious eye irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
633550
Product name
4-Methylthiophene-2-carboxylic acid
Purity
97%
Packaging
5g
Price
$68.9
Updated
2023/06/20
Sigma-Aldrich
Product number
633550
Product name
4-Methylthiophene-2-carboxylic acid
Purity
97%
Packaging
25g
Price
$335
Updated
2023/06/20
TRC
Product number
M725520
Product name
4-Methylthiophene-2-carboxylic acid
Packaging
50mg
Price
$60
Updated
2021/12/16
Apolloscientific
Product number
OR11275
Product name
4-Methylthiophene-2-carboxylic acid
Purity
97%
Packaging
1g
Price
$60
Updated
2021/12/16
Oakwood
Product number
023894
Product name
4-Methylthiophene-2-carboxylic acid
Purity
95%
Packaging
5g
Price
$61
Updated
2021/12/16
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4-Methyl-2-thiophenecarboxylic acid Chemical Properties,Usage,Production

Chemical Properties

white to light yellow crystal powder

Synthesis Reference(s)

Chemistry Letters, 12, p. 127, 1983
Tetrahedron Letters, 15, p. 2373, 1974 DOI: 10.1016/S0040-4039(01)92259-2

4-Methyl-2-thiophenecarboxylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Methyl-2-thiophenecarboxylic acid Suppliers

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View Lastest Price from 4-Methyl-2-thiophenecarboxylic acid manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
4-Methyl-2-thiophenecarboxylic acid 14282-78-1
Price
US $1.00-1.00/KG
Min. Order
1g
Purity
99%
Supply Ability
50tons
Release date
2020-04-26
Career Henan Chemical Co
Product
4-Methyl-2-thiophenecarboxylic acid 14282-78-1
Price
US $8.80/KG
Min. Order
1KG
Purity
97%-99%
Supply Ability
100kg
Release date
2019-08-08

14282-78-1, 4-Methyl-2-thiophenecarboxylic acidRelated Search:


  • BUTTPARK 99\15-30
  • ASINEX-REAG BAS 07664671
  • 4-METHYLTHIOPHENE-2-CARBOXYLIC ACID
  • 2-Carboxy-4-methylthiophene
  • 2-Carboxy-4-methylthiophene, 4-Methyl-2-thenoic acid
  • 4-Methylthiophene-2-carboxylic acid 97%
  • 4-Methyl-2-thiophenecarboxylic acid
  • 4-methylthiophen-2-carboxlic acid
  • 4-methylthiophen-2-carboxylic acid
  • 2-Thiophenecarboxylic acid, 4-methyl-
  • 4-Methyl-2-thiophenecarboxylic acid ISO 9001:2015 REACH
  • 14282-78-1
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  • Protection and Derivatization
  • Protecting and Derivatizing Reagents
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  • Heterocyclic Building Blocks
  • Protecting and Derivatizing Reagents
  • Protection and Derivatization
  • Thiophenes
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