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Shaanxi Shangnan Dongzheng Chemical Co., Ltd.

35 YRS

Shaanxi, China

CNY 15 Million

33300 m²

100-500 people

Main Products: Chromic Chloride Hexahydrate / Chromic Acetate / Chromium Formate / Basic Chromic Sulfate / Chromium Potassium Sulfate Dodecahydrate / Chromic Nitrate Nonahydrate / Dichromium Trioxide / Potassium Dichromate / Sodium Dichromate / Sodium Dichromate Dihydrate

Shaanxi, China

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Sodium Dichromate / CAS 10588-01-9

Chromic anhydride (CrO3)≥99.2%

Chromic anhydride (CrO3) ≥ 99.8%

Chromic anhydride (CrO3) ≥ 99.6%

OVERVIEW

Uses

Packaging

40 KG/Woven Bag; 40 KG/Paper Bag

Lead Time

14-30 days

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DESCRIPTION

Sodium Dichromate

【 Molecular formula 】Na₂Cr₂O₇

【 Molecular weight】 262.02

【 CAS NO.】10588-01-9

【 Character 】 This product is bright orange red monoclinic acicular or small granular crystal. It is easy to deliquesce in air and dissolve in water to form orange solution. Its aqueous solution is acidic. In acidic medium, sodium dichromate is a strong oxidant.

【 Use 】It is mainly used to manufacture chromic anhydride, chrome yellow pigment and other chromium salts. It is also used in tanning, textile, electroplating, medicine, oil, dye, drilling, wood anti-corrosion and other industries.

【 Package】40kg high-strength composite bag or plastic woven bag lined with plastic bag.

【 Notes 】Do not mix with food or strong reducing agent; During storage and transportation, pay attention to moisture-proof, heat proof, shock proof and keep away from inflammables.

【 Executive criteria】 GB/T1611-2014

Indication name	Index (%)
Indication name	Superior products (%)	First class (%)	Qualified products (%)
Chromic anhydride (CrO3)	≥99.8%	≥99.6%	≥99.2%
Sulfate (SO₄^2-)	≤0.05%	≤0.10%	≤0.20%
Sodium (Na)	≤0.04%	/	/
Turbidity (NTU)	≤5%	≤15%	/
Water insoluble matter	≤0.01%	≤0.03%	≤0.05%

Typical Properties

Chromium in sodium dichromate is hexavalent, harmful and carcinogenic. Anhydrous sodium dichromate is highly toxic.

CAS No.

10588-01-9

Formula

Cr2Na2O7

Molecular Mass

261.96800

Exact Mass

261.82500

PSA

123.63000

Logp

-0.78120

IUPAC

disodium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium

SMILES

[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[Na+].[Na+]

Matter Classification

inorganic

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