2-Naphthylamine-3,6,8-trisulfonic acid (CAS 118-03-6, K acid) is a naphthalene sulfonic acid intermediate used in the manufacture of azo dyes and pigments. The three sulfonic acid groups provide water solubility and allow for diazo coupling at the amino position.
2-Naphthylamine-3,6,8-trisulfonic acid
Category:Organic Intermediates
CAS No.:118-03-6
Product Grade: Industrial Grade
Purity / Assay: 95%
Molecular Formula:C₁₀H₉NO₉S₃
Molecular Weight:383.37
EINECS No.:204-229-9
Synonym(s):K acid; 7-Amino-1,3,6-naphthalenetrisulfonic acid
2-Naphthylamine-3,6,8-trisulfonic acid (CAS 118-03-6, K acid) is a naphthalene sulfonic acid intermediate used in the manufacture of azo dyes and pigments. The three sulfonic acid groups provide water solubility and allow for diazo coupling at the amino position.
1. Intermediate for azo dyes. 2. Dye and pigment synthesis. 3. Textile dye intermediate. 4. Organic synthesis building block.
25kg/bag; 25kg/drum
CAS No.: 118-03-6
Product Name: 2-Naphthylamine-3,6,8-trisulfonic acid
Purity / Assay:95%
Molecular Formula:C₁₀H₉NO₉S₃
Molecular Weight:383.37
EINECS No.:204-229-9
Synonym(s):K acid; 7-Amino-1,3,6-naphthalenetrisulfonic acid
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