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

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

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)

Safety Information

MSDS Information

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	FUMING SULFURIC ACID-->Calcium carbonate-->Congo red paper-->2-Amino-4,8-naphthalenedisulfonic acid
Preparation Products	Reactive Brown 35-->trisodium 7-[[2-[(aminocarbonyl)amino]-4-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]phenyl]azo]naphthalene-1,3,5-trisulphonate-->Reactive brown 45

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