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Luoyang Dongyuan Chemical Co.,Ltd

27 YRS

Henan, China

CNY 26.7 Million

35298 m²

100-500 people

Main Products: DSD Acid / P-Nitrotoluene-O-Sulfonic acid / 4,4-Dinitrostilbene-2,2-Disulfonic acid / Aniline-2,5-Disulfonic Acid Monosodium Salt / Para Amino Azo Benzene 4 Sulfonic Acid

Henan, China

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4,4-Dinitrostilbene-2,2-Disulfonic acid / CAS 128-42-7

≥ 65.0%

OVERVIEW

Uses

DSD Acid DSD Acid

Packaging

25 KG/Woven Bag

Lead Time

14-30 days

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DESCRIPTION

4,4-Dinitrostilbene-2,2-disulfonic acid

Chemical name: 4,4-Dinitrostilbene-2,2-disulfonic acid

Structural formula:

Chemical formula: C14H10N2O10S2

Molecular weight: 430

CAS NO.:128-42-7

Quality index:

Item	Index
(1)Appearance	orange powder
(2)Binitro acid content(gross dry product)	≥ 65.0%
(3)binitrobenzyl compound (gross dry product )	≤ 0.5%
(4)Other organic impurities(gross dry product )	≤ 2.0%
(5)Inorganic salt(gross dry product )	≤ 2.0%
(6)Water insolubles(gross dry product)	≤ 1.0%

Main use: it is an intermediate of dyes.

Packing: 25kg plastic woven bag.

Typical Properties

It is used as a dye intermediate for the production of DSD acid

CAS No.

128-42-7

Formula

C14H10N2O10S2

Molecular Mass

430.36700

Exact Mass

429.97800

PSA

217.14000

Logp

5.37480

IUPAC

5-nitro-2-[(E)-2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid

SMILES

C1=CC(=C(C=C1[N+](=O)[O-])S(=O)(=O)O)/C=C/C2=C(C=C(C=C2)[N+](=O)[O-])S(=O)(=O)O

Matter Classification

organic

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