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2-Amino-5-chlorobenzenesulfonic acid

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Origin: China

Cas No: 133-74-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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Products Specification
Product Description

Property

CAS No.: 133-74-4 Formula: C6H6ClNO3S Molecular Weight: 207.63500

Basic Info

Chemical Name	2-Amino-5-chlorobenzenesulfonic acid
Synonyms	5-Chloroorthanilic acid; 2-amino-5-chlorobenzenesulfonic acid; Benzenesulfonic acid, 2-amino-5-chloro-;
CAS No.	133-74-4
Molecular Formula	C6H6ClNO3S
Molecular Weight	207.63500
PSA	88.77000
LogP	2.83090

Properties

Density	1.642g/cm3
Melting Point	>300ºC
Refractive Index	1.639

Safety Info

RTECS	XU8200000
Hazard Class	6.1
Safety Statements	S28; S36/37; S45
HS Code	29214300
WGK Germany	3
Packing Group	III
RIDADR	UN 2660 6.1/PG 3
Risk Statements	R23/24/25; R33; R51/53
Hazard Codes	T; N

Synthesis Route

4-chloroaniline→5-amino-2-chlorobenzenesulfonic acid+2-Amino-5-chlorobenzenesulfonic acid
6-chloro-1,3-benzothiazole→2-Amino-5-chlorobenzenesulfonic acid
4-chloroacetanilide→2-Amino-5-chlorobenzenesulfonic acid

Precursor

Sulfuric acid
6-chloro-1,3-benzothiazole
tetrahydrothiophene
4-chloroaniline

Downstream Product

2,5-Diaminobenzenesulfonic Acid
4-Chloro-2,6-dibromoaniline

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