Naphthalene-1,3,5-trisulphonic acid

Naphthalene-1,3,5-trisulphonic acid Structure
CAS No.
6654-64-4
Chemical Name:
Naphthalene-1,3,5-trisulphonic acid
Synonyms
Hexetidine Impurity 5;Ractopamine Impurity 12;Fluocinolone Diacetate;NAPHTHYL-1,3,5-TRISULFONIC ACID;naphthalene-1,3,5-trisulfonicaci;Naphthalene-1,3,5-trisulfonic acid;1,3,5-Naphthalene Trisulfonic Acid;NAPHTHALENE-1,3,5-TRISULPHONIC ACID;Sodium 1,3,5-naphthalenetrisulfonate;SODIUM NAPHTHALENE-1,3,5-TRISULFONATE
CBNumber:
CB4225234
Molecular Formula:
C10H8O9S3
Molecular Weight:
368.36
MOL File:
6654-64-4.mol
MSDS File:
SDS
Modify Date:
2023/10/30 17:08:25

Naphthalene-1,3,5-trisulphonic acid Properties

Density 1.919±0.06 g/cm3(Predicted)
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
pka -0.89±0.40(Predicted)
form solid
color White
CAS DataBase Reference 6654-64-4(CAS DataBase Reference)
EPA Substance Registry System 1,3,5-Naphthalenetrisulfonic acid (6654-64-4)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P310-P260-P280
HS Code  2904100090

Naphthalene-1,3,5-trisulphonic acid Chemical Properties,Uses,Production

Chemical Properties

Naphthalene-1,3,5-trisulfonic acid [6654- 64-4]. C10H8O9S3, Mr 368.34, is extremely soluble in water; the sodium salt crystallizes as the tetrahydrate.

Uses

Naphthalene-1,3,5-trisulphonic Acid is a residue found in environmental samples that is a result of the degredation of domestic and industrial use surfactants. The total reaction mixture is nitrated and the resulting 8-nitro derivative is reduced to give a mixture of 1-aminonaphthalene-3,6,8- and 4,6,8-trisulfonic acids.

Production Methods

Naphthalene and 65 % oleum are added simultaneously to sulfuric acid monohydrate over a period of 32 h at 30 – 35℃. The mixture is then heated at 50℃ for 1 h, 70℃ for 1 h, and finally 90℃ for 7 h. This procedure minimizes formation of the 1,3,6-isomer, but a purer product may be obtained by using isolated naphthalene-1,5-disulfonic acid as starting material.

Naphthalene-1,3,5-trisulphonic acid Preparation Products And Raw materials

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NAPHTHALENE-1,3,5-TRISULPHONIC ACID NAPHTHYL-1,3,5-TRISULFONIC ACID 1,3,5-Naphthalene Trisulfonic Acid Sodium 1,3,5-naphthalenetrisulfonate SODIUM NAPHTHALENE-1,3,5-TRISULFONATE Naphthalene-1,3,5-trisulfonic acid Fluocinolone Diacetate naphthalene-1,3,5-trisulfonicaci Hexetidine Impurity 5 Ractopamine Impurity 12 6654-64-4 C10H8O9S3 Intermediates of Dyes and Pigments Organic acids