Potassium Dichromate

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Potassium Dichromate Specification

Appearance
Orange-red crystalline solid

CAS No
7778-50-9

Boiling point
Decomposes before boiling

Physical Form
Solid

Grade
Analytical Reagent (AR), Laboratory, Industrial

Density
2.68 Gram per cubic centimeter(g/cm3)

Structural Formula
O7Cr2K2

Molecular Formula
K2Cr2O7

Taste
Bitter, metallic (toxic do not ingest)

Ph Level
1 (0.1N solution)

Poisonous
Yes, highly toxic

HS Code
28415000

Purity
99% min

Other Names
Dipotassium dichromate

Shape
Crystalline

EINECS No
231-906-6

Molecular Weight
294.18 g/mol

Melting Point
398C (decomposes)

Smell
Odorless

Viscosity
Not applicable (solid)

Solubility
Soluble in water, insoluble in alcohol

Hazard Class
6.1 Toxic substances

Safety Precautions
Use personal protective equipment, avoid skin and eye contact, ensure good ventilation

Decomposition Products
Chromium oxides, potassium oxides

Manufacturing Standard
Conforms to AR/ACS grade

EC Index Number
024-004-00-7

Packaging
HDPE jars, fibre drums, or as specified

Uses
Laboratory reagent, oxidizing agent, cleaning glassware, photography, chromium electroplating, dyeing, tanning

Storage Conditions
Store in tightly closed containers, in a cool, dry, well-ventilated area away from combustible materials and reducing agents

Stability
Stable under ordinary conditions, but light and moisture sensitive

UN Number
3288

About Potassium Dichromate

Available in 98% pure form, Potassium Dichromate is used to formulate pesticides and agrochemicals. This chemical has orange red color and it is non hydroscopic by nature. Its flammable characteristics are expressed when it is exposed to organic compounds. Potassium Dichromate is water soluble and its moisture content is 0.030%. Flash point and boiling point of this chemical are 50 degree C and 82 degree C respectively. Density of this substance is 7.14 g/ml at 25 degree C temperature. Its molar mass is 294.18. It easily dilutes in cold water. Long storage lie, pure composition, advanced processing technology and reasonable price are its key features.

State: Crystal

Superior Quality for Industrial & Laboratory Use

Our Potassium Dichromate is supplied in high purity (99% min) AR/ACS grade, ensuring reliable performance for both analytical and industrial applications. Each batch meets stringent international standards for quality and safety, supporting processes in laboratories, electroplating, photography, dyeing, tanning, and glassware cleaning.

Safe Packaging to Maintain Stability

Packaged in HDPE jars, fibre drums, or as specified, Potassium Dichromate remains stable under ordinary conditions when stored properly. Its light and moisture sensitivity is managed through robust packaging solutions, preventing contamination or degradation during transit and storage.

FAQs of Potassium Dichromate:

Q: How should Potassium Dichromate be stored to maintain its quality?

A: Potassium Dichromate should be kept in tightly closed containers, in a cool, dry, and well-ventilated area away from combustible materials and reducing agents to prevent deterioration and ensure stability.

Q: What safety precautions are necessary when handling Potassium Dichromate?

A: When working with Potassium Dichromate, always use appropriate personal protective equipment, such as gloves and goggles, avoid contact with skin and eyes, and ensure good ventilation to minimize exposure to toxic particles.

Q: Where is Potassium Dichromate commonly used?

A: Potassium Dichromate is utilized in laboratories as a reagent, for cleaning glassware, as an oxidizing agent, and in industries such as photography, dyeing, tanning, and chromium electroplating.

Q: What are the benefits of choosing AR/ACS grade Potassium Dichromate?

A: AR/ACS grade Potassium Dichromate assures high purity and reliable analytical performance, making it suitable for precise laboratory experiments and demanding industrial processes.

Q: What process leads to the decomposition of Potassium Dichromate and what are the byproducts?

A: Potassium Dichromate decomposes when exposed to excessive heat or moisture, producing chromium oxides and potassium oxides as decomposition byproducts.

Q: When should personal protective equipment be used with Potassium Dichromate?

A: Personal protective equipment must be used at all times during handling, usage, and transportation of Potassium Dichromate due to its highly toxic nature.