1,6-CLEVE'S ACID

5-Amino-2-naphthalenesulfonic acid; 1-Naphthylamine-6-sulfonic acid; 1-Amino-6-naphthalenesulfonic acid; 1-Amino-6-sulfonaphthalene; 1-Naphthylamine-6-sulfonic acid; 5-Naphthylamine-2-sulfonic acid; Cleve's beta-acid; Kyselina 1-naftylamin-6-sulfonova; Kyselina cleve;

1,6-CLEVE'S ACID

 

PRODUCT IDENTIFICATION

CAS RN

119-79-9

EINECS RN

204-351-2

FORMULA

C10H9NO3S

MOLE WEIGHT

223.25

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE

tan red powder

MELTING POINT

> 300°

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

1000 mg/l

pH

 

VAPOR DENSITY

 

REFRACTIVE INDEX

 

FLASH POINT

 

 

STABILITY AND REACTIVITY
STABILITY Stable under normal conditions.

INCOMPATIBLE MATERIALS

Strong oxidizing agents

DECOMPOSITION PRODUCTS

Carbon oxides, nitrogen oxides, Sulphur oxides

POLYMERIZATION Has not been reported

NFPA RATINGS

Health: 1, Flammability: 1, Reactivity: 1

 

SAFETY

HAZARD NOTES

Irritant

EYE

May cause eye irritation.

SKIN

May be harmful if absorbed through skin. May cause skin irritation.

INGESTION

May be harmful if swallowed.

INHALATION

May be harmful if inhaled. May cause respiratory tract irritation.

CHRONIC

 

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

 
HAZARD CLASS

 

PACKING GROUP

 

HAZARD SYMBOL

XI

RISK PHRASES

36/37/38

SAFETY PHRASES

22-24/25

 

EXTERNAL LINKS & GENERAL INFORMATION
Cleve's acids belong to family of naphthalene sulfonate molecules and zwitterions which have localized different parts of both negative and positive charge. Cleve's acids are mainly used in the manufacture of azo dyes and as a polymer precursor.

 

SALES SPECIFICATION

APPEARANCE

tan red powder

TOTAL AMINO VALUE

98.0% min

1,6-CLEVE'S ACID

90.0% min

1,7-CLEVE'S ACID

5.0% max

1,5 OR 1,8-CLEVE'S ACID

3.0% max

INSOLUBLES

0.3% max

 

PACKING

25kg in a woven bag

 

PRICE

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