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Thianaphthene-2-carboxylic acid

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Origin: China

Cas No: 6314-28-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 6314-28-9 Formula: C9H6O2S Molecular Weight: 178.20800

Basic Info

Chemical Name	Thianaphthene-2-carboxylic acid
Synonyms	Benzo[b]thiophene-2-carboxylic acid; 1-benzothiophene-2-carboxylic acid;
CAS No.	6314-28-9
Molecular Formula	C9H6O2S
Molecular Weight	178.20800
PSA	65.54000
LogP	2.59950

Properties

Appearance & Physical State	yellowish-beige crystalline powder
Density	1.419 g/cm3
Boiling Point	376.2ºC at 760 mmHg
Melting Point	238-243ºC
Flash Point	181.3ºC
Stability	Stable under normal temperatures and pressures.
Storage Condition	Store in a cool, dry place. Store in a tightly closed container.

Safety Info

Safety Statements	S26-S37/39
HS Code	2934999090
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

1-benzothiophen-2-ylmethanol→1-benzothiophene-2-carbaldehyde+Thianaphthene-2-carboxylic acid
Trichloroacetyl Chloride+1-benzothiophene→Thianaphthene-2-carboxylic acid+1-Benzothiophene-3-Carboxylic Acid
2-chlorobenzo[b]thiophene+carbon monoxide→Thianaphthene-2-carboxylic acid+methyl 1-benzothiophene-2-carboxylate

Precursor

2-(benzo[b]thiophen-2-yl)-5,5-dimethyl-1,3,2-dioxaborolane
carbon dioxide
1-benzothiophene
2-chlorobenzo[b]thiophene

Downstream Product

5-methoxy-3-propan-2-yloxy-N-(2H-tetrazol-5-yl)-1-benzothiophene-2-carboxamide
Benzo[b]thiophene-2-carbonyl chloride
2-(Chloromethyl)-1-benzothiophene
tetraethyl [(2-benzo[b]thiophenecarboxamido)methylene]bis(phosphonate)

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