Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Methyl-2-thiophenecarboxylic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

14282-78-1

14282-78-1 structure

14282-78-1 structure

Name: 5-Methly-2-thiophenecarboxylic acid
Chemical Name: 4-Methylthiophene-2-carboxylic acid
CAS Number: 14282-78-1
Molecular Formula: C₆H₆O₂S
Molecular Weight: 142.176
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2018-03-14 08:00:00
Modify Date: 2024-01-03 17:22:27

Name	4-Methylthiophene-2-carboxylic acid
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

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

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

Precursor 8
124-38-9 616-44-4 201230-82-2 28686-90-0
13679-73-7 106265-82-1 68-12-2 6030-36-0
DownStream 9
32990-47-9 38239-45-1 850375-10-9 28686-90-0
763-89-3 6030-36-0 74395-18-9 646-07-1
32059-75-9

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