Skip to main content

Potassium Chromate Solution

Home / Products / Potassium Chromate Solution
← Back to all products

Potassium Chromate Solution

Part no. RXSOL-60-6187-500

Also known as: K2CrO4, Potassium Chromate

Potassium Chromate Indicator for Silver - Chloride Titrations. Chemical Manufacturer of Specialty Bulk Inorganic Chemicals, Reagents and Fine Organic Chemicals for Process Chemistry. Also refer this link http://rxmarine.com/silver-nitrate
Request a quote

Application

Common laboratory chemical Potassium chromate is  strong oxidant. Suitability for chloride determination Indicator for volumetric chloride determination.

Procedure

Place 10 drops of sample water in a test tube and add 1 drop of 5% potassium chromate (K2CrO4) solution as indicator. Add dropwise 2.9% silver nitrate with the same dropper until a permanent and distinct colour change to a red brown colour occurs.   Potassium Chromate, 5% (w/v) Aqueous Solution; Chloride free 500mL; Poly bottle; Indicator for argentometric titrations   CAS 7732-18-5,7789-00-6,7761-88-8

Technical specifications

 

Physical State Liquid
Appearance yellow
Odor odorless
pH 8.6-9.8 (5% soln)
Vapor Pressure 0
Vapor Density Not applicable
Evaporation Rate Not applicable
Viscosity Not applicable
Boiling Point Not available
Freezing/Melting Point 975 deg C
Autoignition Temperature None reported
Flash Point Not available
Decomposition Temperature Not available
NFPA Rating (estimated) Health:
2; Flammability: 0;
Reactivity: 0
Explosion Limits, Lower None reported
Upper None reported
Solubility Soluble
Specific Gravity/Density 2.7320
Molecular Formula K2CrO4
Molecular Weight 194.20

Notes

Unlike the less expensive sodium salt, potassium salt is mainly used for laboratory work in situations where an anhydrous salt is required. It is as an oxidizing agent in organic synthesis. It is used as in qualitative inorganic analysis, e.g. as a colorimetric test for silver ion. It is also used as an indicator in precipitation titrations with silver nitrate and sodium chloride (they can be used as standard as well as titrant for each other) as potassium chromate turns red in the presence of excess of silver ions.

Supply locations

Potassium Chromate Solution manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai UAE, Muscat Oman, Kenya Africa. Get the best quality of Potassium Chromate Solution at a competitive price from us. We have ready stock of Potassium Chromate Solution in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.