CAS 14282-78-1|5-Methly-2-thiophenecarboxylic acid

Introduction：Basic information about CAS 14282-78-1|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	14282-78-1	Molecular Weight	142.176
Density	1.3±0.1 g/cm3	Boiling Point	277.2±20.0 °C at 760 mmHg
Molecular Formula	C₆H₆O₂S	Melting Point	122-126 °C(lit.)
MSDS	ChineseUSA	Flash Point	121.5±21.8 °C
Symbol	GHS07	Signal Word	Warning

Names

Name	4-Methylthiophene-2-carboxylic acid
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.3±0.1 g/cm3
Boiling Point	277.2±20.0 °C at 760 mmHg
Melting Point	122-126 °C(lit.)
Molecular Formula	C₆H₆O₂S
Molecular Weight	142.176
Flash Point	121.5±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	YCIVJGQMXZZPAB-UHFFFAOYSA-N
SMILES	Cc1csc(C(=O)O)c1

Safety Information

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H317-H319
Precautionary Statements	P280-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R36
Safety Phrases	S26-S37/39
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-methylthiophene-2-carboxylic acid

4-Methyl-2-thiophenecarboxylic acid

2-Thiophenecarboxylic acid, 4-methyl-

5-Methly-2-thiophenecarboxylic acid

4-Methyl-thiophene-2-carboxylic acid

4-METHYLTHIOPHENE-2-CARBOXYLIC ACID

2-Thiophenecarboxylic acid, 5-methyl-

MFCD00089284

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