Naphthalene-2,7-disulfonic acid 92-41-1

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1 Kilogram	FOB Price: USD 20.0000

1 Kilogram

FOB Price: USD 20.0000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : L/C,T/T

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Naphthalene-2,7-disulfonic acid Naphthalene-2,7-disulfonic acid 92-41-1

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Details:

Product Name: Naphthalene-2,7-disulfonic acid
Synonyms: naphthalene-2,7-disulfonic acid;2,7-NAPHTHALENE DISULFONIC ACID;naphthalene-2,7-disulphonic acid;3,6-Naphthalenedisulfonic acid;Ebert-Merz α-acid
CAS: 92-41-1
MF: C10H8O6S2
MW: 288.3
EINECS: 202-154-6
Product Categories: Intermediates of Dyes and Pigments
Mol File: 92-41-1.mol
Naphthalene-2,7-disulfonic acid Structure
Naphthalene-2,7-disulfonic acid Chemical Properties
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)
Safety Information
RIDADR 1759
HazardClass 8
PackingGroup III
MSDS Information
Naphthalene-2,7-disulfonic acid Usage And Synthesis
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.]

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