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2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID

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2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID Basic information

Product Name:
2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
Synonyms:
  • 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
  • 2 NAPHTHYLAMINE-4,6,8 TRISULPHONIC ACID
  • 1,3,5-Naphthalenetrisulfonicacid,7-amino-
  • 7-AMINO-1,3,5-NAPHTHALENETRISULFONIC ACID
  • 7-AMINO NAPHTHALENE-1,3,5-TRISULFONIC ACID
  • 3-AMINO-1,5,7-NAPHTHALENETRISULFONIC ACID MONOSODIUM SALT
  • SULFO C ACID
  • 7-amino-1,3,5-naphthalenetrisulphonic acid
CAS:
27310-25-4
MF:
C10H9NO9S3
MW:
383.37
EINECS:
248-394-5
Product Categories:
  • Intermediates of Dyes and Pigments
Mol File:
27310-25-4.mol
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2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID Chemical Properties

Density 
1.974±0.06 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Room Temperature
pka
-1.63±0.40(Predicted)
CAS DataBase Reference
27310-25-4(CAS DataBase Reference)
EPA Substance Registry System
7-Amino-1,3,5-naphthalenetrisulfonic acid (27310-25-4)
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2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID Usage And Synthesis

Chemical Properties

Dark brown with blue fluorescent solution. Stable in neutral and acid-base media.

Uses

2-Naphthyl amine-4,6,8-trisulfonic acid is used as dyes intermediate to manufacture active golden yellow K-2RAZ, active bright orange K-7R, active bright yellow KN-7G, active yellow M-5R, active golden yellow K-2RA, etc.

Synthesis

2-Naphthyl amine-4,6,8-trisulfonic acid was synthesizd by 2-naphthylamine-4,8-disulfonic acid sulfonated with 20% oleum at 125-170°C for 17h.

2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID Preparation Products And Raw materials

Raw materials

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