ChemicalBook > CAS DataBase List > Naphthalene-2,7-disulfonic acid

Naphthalene-2,7-disulfonic acid

Product Name
Naphthalene-2,7-disulfonic acid
CAS No.
92-41-1
Chemical Name
Naphthalene-2,7-disulfonic acid
Synonyms
Ebert-Merz α-acid;3,6-Naphthalenedisulfonic acid;2,7-NAPHTHALENE DISULFONIC ACID;naphthalene-2,7-disulfonic acid;naphthalene-2,7-disulphonic acid
CBNumber
CB5297140
Molecular Formula
C10H8O6S2
Formula Weight
288.3
MOL File
92-41-1.mol
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Naphthalene-2,7-disulfonic acid Property

Melting point:
199°C
Boiling point:
400.53°C (rough estimate)
Density 
1.6867 (rough estimate)
refractive index 
1.6950 (estimate)
CAS DataBase Reference
92-41-1(CAS DataBase Reference)
EPA Substance Registry System
2,7-Naphthalenedisulfonic acid (92-41-1)
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Safety

RIDADR 
1759
HazardClass 
8
PackingGroup 
III
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Hazard and Precautionary Statements (GHS)

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Naphthalene-2,7-disulfonic acid Chemical Properties,Usage,Production

Chemical Properties

White, crystalline solid.Soluble in water. Combustible.

Uses

Intermediate for dyes.

Definition

ChEBI: A naphthalenesulfonic acid in which the sulfo groups are attached to positions 2 and 7 of the naphthalene ring.

Purification Methods

Crystallise the acid from conc HCl. The disulfonamide has m 273o (from EtOH). [Beilstein 11 II 119, 11 III 463.]

Naphthalene-2,7-disulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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Naphthalene-2,7-disulfonic acid Suppliers

Quzhou Juhua Friendship Co., Ltd
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0570-3066667,3062502
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China
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SHANGHAI BANGCHENG CHEMICAL Co.,Ltd.
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021-52696680-
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021-69106780
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China
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Shanghai Na Qian Chemical Technology Co. Ltd.
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0373-7129549-
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Beijing Xinsavi Chemical Technology Co., Ltd.
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010-56218822-
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010-56218800
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Shanghai Kaisai Chemical Co., Ltd
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021-33516711;021-33516722
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Beijing HuaYangZhicheng Technology Co., Ltd.
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Hubei kangmingde Pharmaceutical Chemical Co., Ltd
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Chengdu JingXin Technology Co., Ltd.
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Aikon International Limited
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027-87466205
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View Lastest Price from Naphthalene-2,7-disulfonic acid manufacturers

Career Henan Chemical Co
Product
Naphthalene-2,7-disulfonic acid 92-41-1
Price
US $1.00/ASSAYS
Min. Order
1ASSAYS
Purity
99%
Supply Ability
100KG
Release date
2020-01-07