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5-Chloro-2-thiophenecarboxylic acid hydrazide

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Origin: China

Cas No: 351983-31-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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Products Specification
Product Description

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CAS No.: 351983-31-8 Formula: C5H5ClN2OS Molecular Weight: 176.62400

Basic Info

Chemical Name	5-Chloro-2-thiophenecarboxylic acid hydrazide
Synonyms	5-chlorothiophene-2-carbohydrazide;
CAS No.	351983-31-8
Molecular Formula	C5H5ClN2OS
Molecular Weight	176.62400
PSA	83.36000
LogP	2.09620

Properties

Density	1.491g/cm3
Melting Point	148-149ºC
Refractive Index	1.628

Safety Info

Safety Statements	S22; S36/37/39; S26
HS Code	2934999090
Risk Statements	R20/21/22
Hazard Codes	Xi; Xn
Hazard Declaration	H302; H315; H319; H335
Signal Word	Warning
Caution Statement	P261; P305 + P351 + P338
Symbol	GHS07

Synthesis Route

Ethyl 5-Chlorothiophene-2-Carboxylate→5-Chloro-2-thiophenecarboxylic acid hydrazide
5-Chlorothiophene-2-carbonyl chloride→5-Chloro-2-thiophenecarboxylic acid hydrazide

Precursor

Ethyl 5-Chlorothiophene-2-Carboxylate
5-Chlorothiophene-2-carbonyl chloride

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