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GAMMA ACID, dried

Name:   6-Amino-4-hydroxynaphthalene-2-sulphonic acid
CAS No:   90-51-7
EINECS No:   202-000-8
Synonyms:   1-Naphthol-7-amino-3-sulfonic acid
2-Amino-8-hydroxynaphthalene-6-sulfonic acid
6-Amino-4-hydroxy-2-naphthalenesulfonic acid
7-Amino-1-hydroxy-3-naphthalenesulfonic acid
Molecular Structure:   338
Chemical Formula:   C 1 0 H 9 N O 4 S
Molecular Weigh:   239,247
Characteristics:   Light grey powder.

Quality values:  
Content (strenght by coupling):   min. 90.0%  
Contaminant:    
- amino G acid   max. 0.4%  
- amino R acid   max. 0.4 %  
- Brönner acid   max. 1.5%  
- 2 others substances    
Storage:   Store in original packing in dry areas protected from direct weather conditions.
Protect against an open fire and activity of heat.
Classification:   Irritant
Labelling:  

Irritant
 
    R 36/37/38 Irritating to eyes, respiratory system and skin
    S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S 28 After contact with skin, wash immediately with plenty of water
S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection
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