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2-amino-4-chloro-5-methylbenzenesulfonic acid

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Origin: China

Cas No: 88-51-7

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

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CAS No.: 88-51-7 Formula: C7H8ClNO3S Molecular Weight: 221.66100

Basic Info

Chemical Name	2-amino-4-chloro-5-methylbenzenesulfonic acid
Synonyms	6-Amino-4-chloro-3-toluenesulfonic acid; 4-Amino-2-chlorotoluene-5-sulfonic acid; 2B acid; 6-amino-4-chloro-m-Toluenesulfonic acid; Acide 2-amino-4 chloro-5 methyl benzenesulfonique; Red 2B acid; 2-Chloro-4-toluidine-5-sulfonic acid; 2-Amino-4-chloro-5- methylbenzene sulfonic acid; 2-Chloro-p-toluidine-5-sulfonic acid; Permanent Red 2b Amine; 3-Chloro-4-methylaniline-6-sulfonic acid;
CAS No.	88-51-7
Molecular Formula	C7H8ClNO3S
Molecular Weight	221.66100
PSA	88.77000
LogP	3.13930

Properties

Appearance & Physical State	white to light gray powder
Density	1.553 g/cm3
Boiling Point	356ºC
Melting Point	180.5ºC
Stability	Stable.
Storage Condition	Keep in a tightly closed container. Sore in a cool, dry location.

Safety Info

RTECS	XT6330000
Hazard Class	8
Safety Statements	26-36/37/39
HS Code	2921430090
Packing Group	III
RIDADR	3261
Risk Statements	R36/37/38

Synthesis Route

tetrahydrothiophene+Sulfuric acid→2-amino-4-chloro-5-methylbenzenesulfonic acid
3-chloro-p-toluidine→2-amino-4-chloro-5-methylbenzenesulfonic acid

Precursor

Sulfuric acid
tetrahydrothiophene
3-chloro-p-toluidine

Downstream Product

2-AMINO-4-CHLORO-5-METHYLBENZENESULFONYL CHLORIDE
2-amino-4-chloro-5-methylbenzenesulfonamide
4-[(5-chloro-4-methyl-2-sulfophenyl)hydrazinylidene]-3-oxonaphthalene-2-carboxylic acid
3-chloro-p-toluidine

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