Sodium Dichromate

Introduction

Molecular：Na2Cr2O7·2H2O
CAS No.: 10588-01-9 7789-12-0 dehydrate 
EINECS No.: 234-190-3
Mol  Wt：297.97
Standard：GB/T 1611-2014
Package/bag：40kg

Technical Parameters

Features

Bright orange, needle, or small-granular crystal. It deliquesces easily in air, dissolves very easily in water and becomes the acidic and orange solution. In an acid medium, Sodium bichromate is a strong oxidant.

Application

It is mainly used in the manufacture of Chromic acid, Chrome pigment and other Chromic salts.It is also used in the industries of tanning leather,textile, electroplating, medicine, oil and fat, petroleum, dye and drilling, etc.

It can be used to make chromium(chromic anhydride, chromium oxide green, potassium dichromate, etc), basic sky blue dye, saccharin, and oxidant used to produce synthesis camphor and synthesis fiber.

In the pharmaceutical industry, it can be used as an oxidant in making amine benzene alum, folic acid, Leifunuer, etc.

In the printing and dyeing industry, it can be post_treatment agency of aniline dyes and oxidant of acid dyes.

In the plating industry, it can be used to passivate the materials after galvanization to increase brightness.

In the leather industry, it can be used to tan the materials.
In the glass industry, Used as a green coloring

Package   

Packed in a high-strong composite bag with a plastic bag liner. 

Package（1000kg big bag）

Notice

1) Do not keep it together with food and a strong reducing agent.

2) During storage and transport, it should be kept away from moisture, heat flammable material and handled with care.

3)The personal protective appliance should be equipped with, such as a self-suction respirator, acid-proofing rubber gloves, security coat and boot, chemical-resistant protective glasses.
4)In case of leakage, reduce with 10% sulfuric acid and ferrous sulfate, and neutralize with calcium oxide immediately.