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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

ERIO GREEN B 1,8-Dihydroxynaphthylene-3,6-disulfonic acid
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Naphthalene-2,7-disulfonic acid Suppliers

China 39 Germany 1 India 1 South Korea 1 United Kingdom 3 United States 10 Global 55
Quzhou Juhua Friendship Co., Ltd
Tel
0570-3066667，3062502
Fax
0570-3063388
Email
myqz1@126.com
Country
China
ProdList
3944
Advantage
58
SHANGHAI BANGCHENG CHEMICAL Co.,Ltd.
Tel
021-52696680-
Fax
021-69106780
Email
bangchem1@163.com
Country
China
ProdList
4741
Advantage
60
Shanghai Na Qian Chemical Technology Co. Ltd.
Tel
0373-7129549-
Fax
QQ:2468833170
Email
2841375912@qq.com
Country
China
ProdList
2268
Advantage
52
Beijing Xinsavi Chemical Technology Co., Ltd.
Tel
010-56218822-
Fax
010-56218800
Email
xinsavichem@163.com
Country
China
ProdList
3203
Advantage
56
Shanghai Kaisai Chemical Co., Ltd
Tel
021-33516711;021-33516722
Fax
021-33516776
Email
kaisaichem1@163.com;kaisaichem1@163.com
Country
China
ProdList
4721
Advantage
58
Beijing HuaYangZhicheng Technology Co., Ltd.
Tel
Fax
010-56276266
Email
hanchochem@163.com
Country
China
ProdList
2966
Advantage
50
Hubei kangmingde Pharmaceutical Chemical Co., Ltd
Tel
027-89771658-
Fax
027-89771658
Email
hbtcky@163.com
Country
China
ProdList
4975
Advantage
56
Chengdu JingXin Technology Co., Ltd.
Tel
028-85005297-
Fax
028-85005529
Email
jingxin73730@163.com
Country
China
ProdList
3287
Advantage
50
Aikon International Limited
Tel
025-58859352-
Fax
(5)02557626880
Email
cfding@aikonchem.com
Country
China
ProdList
12173
Advantage
58
Wuhan FengyaoTonghui Chemical Products Co., Ltd.
Tel
027-87466205
Email
2678564200@qq.com
Country
China
ProdList
19014
Advantage
58
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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

92-41-1, Naphthalene-2,7-disulfonic acidRelated Search:

CHROMOTROPE 2B 1-(2-ARSONOPHENYLAZO)-2-HYDROXY-3,6-NAPHTHALENE-DISULFONIC ACID SODIUM SALT OCTAHYDRATE ARSENAZO I ACID RED 1 CHROMOTROPE 2R NITROSULFONAZO III, INDICATOR GRADE 1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT,4,5-DIHYDROXY-3-(P-SULFOPHENYLAZO)-2,7-NAPHTHALENE DISULFONIC ACID, TRISODIUM SALT ACID VIOLET 5 ACID VIOLET 7 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Mordant Blue 13 3-Hydroxy-4-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt nitrazine yellow ACID RED 26 Naphthalene Naphthalene-2-sulfonic acid Sodium 1-naphthalenesulfonate 1,5-NAPHTHALENE DISULFONIC ACID DISUDIUM SALT,1,5-NAPHTHALENE DISULFONIC ACID SODIUM SALT

  • naphthalene-2,7-disulfonic acid
  • 2,7-NAPHTHALENE DISULFONIC ACID
  • naphthalene-2,7-disulphonic acid
  • 3,6-Naphthalenedisulfonic acid
  • Ebert-Merz α-acid
  • 92-41-1
  • 91-41-1
  • C10H8S2O6
  • Intermediates of Dyes and Pigments