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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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Chromium Potassium Sulfate Dodecahydrate

Chromium Potassium Sulfate Dodecahydrate / CAS 7778-50-9

OVERVIEW

Uses

Packaging

25 KG/Woven Bag; 50 KG/Woven Bag

Lead Time

14-30 days

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DESCRIPTION

Chromium Potassium Sulfate Dodecahydrate

【 Molecular formula 】 K₂Cr₂O₇

【 Molecular weight】294.1846

【 CAS NO.】7778-50-9

【 Characterization】orange red crystals or powder, density: 2.676 g / cm ³， MP: 398c, not hygroscopic; Soluble in water, insoluble in alcohol; Toxic, strong oxidants, contact with organic matter, friction, impact energy causes combustion.

【 Use 】 in industries such as leather, matches, dyeing, chemistry, electroplating.

[package] the 25 kg, 50 kg reinforced compiled bag lined plastic bag package.

【 Notes 】

1. Care should be taken to protect from moisture, heat, impact prevention, and away from flammable materials when storing.

2. Do not mix with foods or strong reducing agents.

3. Avoid contact with eyes, skin.

4. Personal protective equipment should be worn with a self-administered respirator, acid resistant rubber gloves, gowns, boots, and chemical safety protective eyewear.

5. If divulged, treatment with 10% sulfuric acid and ferrous sulfate reduction, lime neutralization should be taken quickly.ardant.

【 Executive criteria】GB 28657-2012

Project	Indicators (%)
Project	Superior products (%)	First class (%)	Qualified products (%)
K2Cr2O7	≥99.7	99.5	99
Chlorine (Cl)	≤0.05	0.05	0.08
Water insoluble	≤0.02	0.02	0.02
Sulfate (calculated as SO₄^2-)	≤0.02	0.05	0.05
water content	≤0.03	0.05	0.05
Na+	≤0.5	1	1.5

Typical Properties

Potassium dichromate is a toxic and carcinogenic strong oxidant that is an orange red solid at room temperature. It is classified as a group I carcinogen by the international agency for research on cancer and is a strong oxidant with a wide range of applications in laboratories and industry.

CAS No.

7778-50-9

Formula

Cr2H2KO7+

Molecular Mass

257.10200

Exact Mass

256.82500

PSA

117.97000

Logp

-0.89720

IUPAC

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

SMILES

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

Matter Classification

inorganic

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