Potassium Chromate

GRADES: EXTRA PURE / LR / AR / GR
Potassium chromate is the inorganic compound with the formula (K2CrO4. This yellow solid is the potassium salt of the chromate anion. It is a common laboratory chemical. It is a class two carcinogen

Molar mass: 194.19 g·mol−1

POTASSIUM CHROMATE
Odour Odourless
Density 2.7320 g/cm3
Melting point 968 °C (1,774 °F; 1,241 K)
Boiling point 1,000 °C (1,830 °F; 1,270 K)
Solubility in water 62.9 g/100 mL (20 °C)
75.1 g/100 mL (80 °C)
79.2 g/100 mL (100 °C)
Solubility insoluble in alcohol
Refractive index (nD) 1.74
APPEARANCE: Yellow Powder
USES & APPLICATIONS:

Potassium chromate enjoys a wide variety of industrial uses. In the textile industry, manufacturers use potassium chromate to tan leather and dye clothing items and fabrics, meaning it can identify the presence, location and quantity of certain elements such as iron. It functions as an oxidizing agent in manufacturing and scientific experiments.

PACKAGING:
Local – 50kg HDPE Bag with Airtight inside polylinner
Export- 50 kg fibre drums.

SPECIFICATION – POTASSIUM CHROMATE

SR NO. TEST EXTRA PURE / LR
1. Description Lemon yellow fine crystals
2. Identity K: Passes Test CrO4 passes test
3. Test Solution (10% w/w water) The solution is clear
4. Assay NLT 99%
5. PH value (5% w/w water) 8.5 – 10.0
6. Chloride ( Cl ) NMT 0.01%
7. Sulphate ( SO4) NMT 0.05%
8. Calcium (Ca) NMT 0.01%
9. Loss on drying ( 105° C) NMT 1%
SR NO. TEST EXTRA PURE / LR
1. Description Lemon yellow crystals or crystalline powder
2. Solution(10% w/v aqueous) Should be clear
3. Assay % w/w 99.5  – 100.5
4. Insoluble matter % w/w 0.003
5. Acidity % w/w NIL
6. Alkalinity % w/w 1 ml NLT 1%
7. Chloride ( Cl ) % w/w 0.001
8. Sulphate ( SO4)% w/w 0.02
9. Aluminium (Al) % w/w 0.003
10. Calcium (Ca)% w/w 0.005
11. Sodium (Na) % w/w 0.05