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84-86-6

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84-86-6 Usage

Description

Naphthionic acid is an organic compound with the chemical formula C10H7SO3H. It is a derivative of naphthalene, a polycyclic aromatic hydrocarbon, and contains a sulfonic acid group. Naphthionic acid is known for its strong acidity and is soluble in water.

Uses

Used in Dye Industry:
Naphthionic acid is used as an intermediate for azo dyes, such as Congo red. It plays a crucial role in the synthesis of these dyes, which are widely used in various applications, including textiles, plastics, and printing inks.
Used in Pharmaceutical Industry:
Naphthionic acid is used in the synthesis of 4-amino-1-naphthalenesulfonic acid, which has potent therapeutic applications. Its sodium salt has been used as a non-toxic hemostatic agent, helping to control bleeding in various medical conditions. Additionally, 4-amino-1-naphthalenesulfonic acid is a metabolite of azo dyes, which can have potential applications in the treatment of certain diseases.

Purification Methods

It crystallises from H2O as needles of the 0.5 hydrate. Salt solutions fluoresce strongly blue. The S-benzylisothiuronium salt has m 195o (from aqueous EtOH). [Beilstein 14 IV 2793.]

Check Digit Verification of cas no

The CAS Registry Mumber 84-86-6 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 84-86:
(4*8)+(3*4)+(2*8)+(1*6)=66
66 % 10 = 6
So 84-86-6 is a valid CAS Registry Number.
InChI:InChI=1/C10H9NO3S/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9/h1-6H,11H2,(H,12,13,14)

84-86-6 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 25g

  • 793.0CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 100g

  • 2454.0CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 500g

  • 4219.0CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 25g

  • 793.0CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 100g

  • 2454.0CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 500g

  • 4219.0CNY

  • Detail
  • Aldrich

  • (250619)  4-Amino-1-naphthalenesulfonicacid  97%

  • 84-86-6

  • 250619-25G

  • 1,120.86CNY

  • Detail
  • Aldrich

  • (250619)  4-Amino-1-naphthalenesulfonicacid  97%

  • 84-86-6

  • 250619-100G

  • 3,204.63CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 25g

  • 793.0CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 100g

  • 2454.0CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 500g

  • 4219.0CNY

  • Detail
  • Alfa Aesar

  • (B21829)  4-Aminonaphthalene-1-sulfonic acid, 98%   

  • 84-86-6

  • 25g

  • 793.0CNY

  • Detail

84-86-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name naphthionic acid

1.2 Other means of identification

Product number -
Other names Naphthionic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:84-86-6 SDS

84-86-6Relevant articles and documents

Chondroitin sulfate as a marker of bone resorption

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, (2008/06/13)

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Triphendioxazine dyestuffs

-

, (2008/06/13)

The novel triphendioxazine dyestuffs of the formula STR1 in which the substituents R, R', T1, T2, X, Y and n have the meanings given in the description are highly suitable for the dyeing and printing of cellulose-containing or amido-containing material.

Solid phase acylation of aminosulfonic acids

-

, (2008/06/13)

This invention is directed to the acylation of aminosulfonic acids in the solid phase. Two discrete, sequential chemical reactions occur, i.e. (1) the neutralization of the aminosulfonic acid, and (2) the subsequent amine acylation, to produce an improved neutralized acyl-aminosulfonic acid at a reduced cost. Aminosulfonic acids having the general formula HO3 S-A-NH2 are acylated to neutralized acyl-aminosulfonic acids having the general formula RCONH-A-SO3 M, where A is an unsubstituted or substituted aliphatic, aromatic or heteroaromatic group and M is a neutralizing agent moiety. The yield is virtually quantitative.

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