2-Amino-4-chloro-5-methylbenzenesulfonic acid Chemical Properties

Melting point:

>300°C

Boiling point:

163°C (rough estimate)

Density 

1.3031 (rough estimate)

vapor pressure 

0-0Pa at 25℃

refractive index 

1.6210 (estimate)

storage temp. 

Keep in dark place,Inert atmosphere,Room temperature

solubility 

Aqueous Acid (Slightly), DMSO (Slightly)

form 

Solid

pka

-1.58±0.50(Predicted)

color 

Off-White to Pale Red

LogP

-0.97--0.89 at 23℃ and pH2.6

CAS DataBase Reference

88-51-7(CAS DataBase Reference)

EPA Substance Registry System

Benzenesulfonic acid, 2-amino-4-chloro-5-methyl- (88-51-7)

Safety Information

Risk Statements 

36/37/38

Safety Statements 

26-36/37/39

RIDADR 

3261

RTECS 

XT6330000

HS Code 

2921.43.9020

HazardClass 

8

PackingGroup 

III

Hazardous Substances Data

88-51-7(Hazardous Substances Data)

Toxicity

LD50 oral in rat: 12300mg/kg

MSDS

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2-Amino-4-chloro-5-methylbenzenesulfonic acid Usage And Synthesis

Chemical Properties

White to buff powder. Essentially insoluble as free acid; soluble as sodium or ammonium salt.

Uses

Intermediate for azo pigments.

Uses

2-Amino-4-chloro-5-methylbenzenesulfonic Acid is used in method for preparing environment-friendly organic pigment for agricultural seed coating.

Production Methods

The compound is made by baking 3-chloro-4-methyl-benzeneamine hydrogensulfate in vacuo at 195 ℃.

2-Amino-4-chloro-5-methylbenzenesulfonic acid(88-51-7)Related Product Information

• Nickel bis(sulphamidate)
• Aniline-2-sulfonic acid
• Epichlorohydrin
• Ethyl 2-(Chlorosulfonyl)acetate
• Sulfamic acid
• Glycine
• 2-Chlorotoluene
• Sodium xylenesulfonate
• 4-Nitrotoluene-2-sulfonic Acid
• Folic acid
• Sodium p-toluenesulfonate
• Sulfanilic acid
• p-Toluenesulfonic acid
• Citric acid
• N,N-Dimethyl-p-toluidine
• Sulfamic acid monosodium salt
• p-Toluidine
• 4-Amino-benzenesulfonic acid monosodium salt