1,6-Naphthalenedisulfonic acid

CAS No.: 525-37-1

Chemical Name:: 1,6-Naphthalenedisulfonic acid

Synonyms: Ewer-Pick acid;1,6-Naphthalenedisulfonic acid, 98.0%;1,6-NaphthalenedisulfonicacidChemicalbook

CBNumber:: CB4947161

Molecular Formula:: C10H8O6S2

Molecular Weight:: 288.3

MOL File:: 525-37-1.mol

MSDS File:: SDS

Modify Date:: 2023/10/30 16:39:44

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1,6-Naphthalenedisulfonic acid Properties

Melting point	125°C (rough estimate)
Boiling point	400.53°C (rough estimate)
Density	1.6867 (rough estimate)
refractive index	1.5630 (estimate)
storage temp.	Inert atmosphere,Room Temperature
pka	-0.17±0.40(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS05
Signal word	Danger
Hazard statements	H314
Precautionary statements	P280-P305+P351+P338-P310
RIDADR	1759
HazardClass	8
PackingGroup	III
HS Code	2904100090

1,6-Naphthalenedisulfonic acid Chemical Properties,Uses,Production

Uses

Alkali fusion of 1,6-Naphthalenedisulfonic acid yields 1,6-dihydroxynaphthalene, and sulfonation with oleum produces naphthalene-1,3,6-trisulfonic acid. However, the main outlet for naphthalene-1,6-disulfonic acid is via nitration to 1- nitronaphthalene-3,8-disulfonic acid, which is the intermediate for 1-aminonaphthalene-3,8- disulfonic acid.

Production Methods

Separation from the 1,5-disulfonic acid process (see above) usually meets requirements for the preparation of Naphthalene-1,6-disulfonic acid. It can also be prepared by sulfonation of naphthalene-2- sulfonic acid with oleum, which gives naphthalene-1,7-disulfonic acid as a byproduct.

1,6-Naphthalenedisulfonic acid Preparation Products And Raw materials

Raw materials

1,6-Naphthalenedisulfonic acid, 2-amino- 4-aminonaphthalene-1,6-disulfonic acid 6-Amino-2-naphthalenesulfonic acid 8-Aminonaphthalene-1,6-disulfonic acid Naphthalene

1,5-Naphthalenedisulfonic acid FUMING SULFURIC ACID Naphthalene-2-sulfonic acid

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Preparation Products

NAPHTHALENE-1,7-DISULFONIC ACID Naphthalene-2-sulfonic acid

1,6-Naphthalenedisulfonic acid Suppliers

Global( 52)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
CHEMSWORTH	+91-261-2397244	New Delhi, India	6707	30	Inquiry
Shanghai Daken Advanced Materials Co.,Ltd	+86-371-66670886	China	16220	58	Inquiry
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	China	21676	55	Inquiry
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569266 15319487004	China	2016	58	Inquiry
Zhengzhou Alfa Chemical Co.,Ltd	+8618530059196	China	12962	58	Inquiry
Hefei TNJ Chemical Industry Co.,Ltd.	0551-65418671	China	34571	58	Inquiry
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	China	52861	58	Inquiry
Hebei Guanlang Biotechnology Co., Ltd.	+86-19930503259 +86-19930503259	China	18446	58	Inquiry
Shanghai Quedan biology science and technology co., ltd	+86-13004146052	China	1060	58	Inquiry
PT CHEM GROUP LIMITED	+86-85511178 +86-85511178	China	35451	58	Inquiry

Supplier	Advantage
CHEMSWORTH	30
Shanghai Daken Advanced Materials Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Shaanxi Dideu Medichem Co. Ltd	58
Zhengzhou Alfa Chemical Co.,Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Hebei Guanlang Biotechnology Co., Ltd.	58
Shanghai Quedan biology science and technology co., ltd	58
PT CHEM GROUP LIMITED	58

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DIRECT BLUE 98 DIRECT VIOLET 22 ALKALI GREEN

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Ewer-Pick acid 1,6-NaphthalenedisulfonicacidChemicalbook 1,6-Naphthalenedisulfonic acid, 98.0% 525-37-1