CAS 1918-79-2|5-Methly-2-thiophenecarboxylic acid

Introduction：Basic information about CAS 1918-79-2|5-Methly-2-thiophenecarboxylic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	5-Methly-2-thiophenecarboxylic acid
CAS Number	1918-79-2	Molecular Weight	142.176
Density	1.3±0.1 g/cm3	Boiling Point	274.7±20.0 °C at 760 mmHg
Molecular Formula	C₆H₆O₂S	Melting Point	135-138 °C(lit.)
MSDS	ChineseUSA	Flash Point	120.0±21.8 °C

Names

Name	5-methylthiophene-2-carboxylic acid
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.3±0.1 g/cm3
Boiling Point	274.7±20.0 °C at 760 mmHg
Melting Point	135-138 °C(lit.)
Molecular Formula	C₆H₆O₂S
Molecular Weight	142.176
Flash Point	120.0±21.8 °C
Exact Mass	142.008850
PSA	65.54000
LogP	2.03
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.591
InChIKey	VCNGNQLPFHVODE-UHFFFAOYSA-N
SMILES	Cc1ccc(C(=O)O)s1

Safety Information

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2934999090

Customs

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Synonyms

5-Methyl-2-thiophenecarboxylic acid

5-methyl-thiophene-2-carboxylic acid

5-methylthiophene-2-carboxylic acid

5-Methyl-2-thenoic Acid

5-Methly-2-thiophenecarboxylic acid

2-methylthiophene-5-carboxylic acid

MFCD00005439

5-Methyl-2-thiophene carboxylic acid

2-Carboxy-5-methylthiophene

EINECS 217-640-3

2-Thiophenecarboxylic acid, 5-methyl-

2-Thiophenecarboxylic acid,5-methyl

Rivaroxaban Impurity 32

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