Sodium Dichromate Powder

Sodium Dichromate Powder Specification

Other Names
Disodium Dichromate

Solubility
Soluble in water

HS Code
28413000

Storage
Store in a tightly sealed container, away from organic materials and combustible substances, in a cool, dry place

Molecular Formula
Na2Cr2O7

Smell
Odorless

Structural Formula
Na2Cr2O7

Taste
Not suitable for tasting, toxic

Poisonous
Yes

Ph Level
Acidic when in solution

Boiling point
Not applicable (decomposes before boiling)

Melting Point
356 C (decomposes)

Purity
98% min

Density
2.52 Gram per cubic centimeter(g/cm3)

Form
Powder

Shape
Crystalline

Molecular Weight
298.00 g/mol

Classification
Inorganic Chemical; Oxidizing Agent

Chemical Name
Sodium Dichromate

CAS No
10588-01-9

EINECS No
234-190-3

Grade
Technical, Industrial

Standard
Conforms to technical/industrial specifications

Type
Powder

Usage
Industrial, Laboratory

Main Material
Sodium Dichromate

Application

Non Toxic
Yes

Solubility in Water
49g/100ml at 20C

Shelf Life
2 years if unopened and stored properly

Color
Orange to red

UN Number
UN 3288

Environmental Hazard
Dangerous for the environment, especially aquatic life

Stability
Stable under recommended storage conditions

Packing
25 kg HDPE bags with inner liner or as required

Hazard Class
6.1 (Toxic substances), 5.1 (Oxidizer)

Handling Precautions
Use protective equipment, avoid inhalation and contact with skin/eyes

About Sodium Dichromate Powder

Grade Standard	Technical Grade
Physical State	Powder
Packaging Size	50 kg
Density	2.52 g/cm3
Formula	Na2Cr2O7
Solubility	Readily soluble in Water
Molar Mass	261.97 g/mol
UN number	3288
CAS Number	10588-01-9
ChemSpider	23723
EC Number	234-190-3
PubChem CID	25408
Melting Point	356.7 deg C (674.1 deg F; 629.8 K)
Boiling Point	400 deg C (752 deg F; 673 K) decomposes
Color	Orange

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Versatility in Application

This chemical is chosen for its effectiveness in diverse industrial processes. Its strong oxidizing properties make it essential in sectors like leather tanning, textile dyeing, wood treatment, and pigment manufacture. Laboratories also employ it for specialized chemical synthesis and analysis.

Safe Storage and Long Shelf Life

Sodium Dichromate maintains stability for up to two years when kept in unopened, tightly sealed containers under cool, dry conditions. Appropriate storage is crucial to prevent contamination with organic materials or moisture, ensuring safety and consistent quality.

Handling Precautions

Due to its toxicity and oxidizing nature, adherence to recommended handling guidelines is non-negotiable. Protective clothing, gloves, and eyewear must be worn to prevent skin or eye contact and inhalation. Spillages require prompt attention to avoid environmental contamination.

FAQ's of Sodium Dichromate Powder:

Q: How should Sodium Dichromate Powder be safely stored and handled?

A: Sodium Dichromate should be stored in tightly sealed HDPE bags with an inner liner, kept in a cool, dry area away from combustibles and organic materials. Always use personal protective equipment to avoid direct contact with skin, eyes, or inhalation of dust.

Q: What are the primary industrial uses of Sodium Dichromate Powder?

A: It serves as an oxidizing agent in industries including leather tanning, textile dyeing, wood preservation, metal treatment, and the production of pigments and other chromium compounds. It is also utilized for specialized laboratory applications.

Q: When does Sodium Dichromate pose the greatest hazard?

A: Risks increase during improper handling, storage near incompatible substances, or spillage, as it is both toxic (Class 6.1) and an oxidizer (5.1). It is particularly hazardous if inhaled, ingested, or if it contaminates water sources, harming aquatic life.

Q: Where should Sodium Dichromate Powder not be stored?

A: It must not be stored near organic materials, combustible substances, or in damp, unventilated areas, as these increase the risk of dangerous reactions or product degradation.

Q: What is the process for disposing of Sodium Dichromate Powder?

A: Disposal must comply with local environmental regulations, often requiring the involvement of licensed waste management agencies. It should never be released into the environment or water systems due to its high toxicity.

Q: Can Sodium Dichromate be tasted or smelled to check purity or presence?

A: No, never taste or smell Sodium Dichromate. It is toxic and should be handled with appropriate care, using precise laboratory methods for any required quality checks.

Q: What is the benefit of using Sodium Dichromate in industrial applications?

A: Its strong oxidizing capability enables efficient chemical reactions, contributing to effective processing in leather, textiles, wood, and pigment manufacturing, making it invaluable in technical and industrial operations.

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