Potassium molybdate

CAS Number
13446-49-6
EC Number
236-599-2

What is Potassium molybdate?

Potassium molybdate (CAS 13446-49-6), also known as dipotassium molybdate, is an inorganic molybdenum salt; a corrosion inhibitor and micronutrient source.

Where is Potassium molybdate used?

  • Water treatment and industrial cooling systems: anodic corrosion inhibitor protecting metal surfaces in recirculating water circuits
  • Agriculture and specialty fertilizers: molybdenum micronutrient source in foliar sprays and soil amendments for molybdenum-deficient crops
  • Mining and metals processing: flotation reagent systems and metal surface treatment chemistries
  • Industrial and institutional cleaning formulations incorporate it for corrosion protection of metal substrates during cleaning cycles.

Good to know: Its solubility and molybdenum content suit applications requiring precise dosing in aqueous systems.

Commercial specifications

  • Purity typically 98% or higher
  • Packaging from laboratory quantities to bulk industrial supply

Other Names (Synonyms)

Potassium molybdenum oxide|Dipotassium molybdate|Potassium orthomolybdate|Potassium molybdate(VI)|Dipotassium tetraoxomolybdate|Dipotassium tetraoxomolybdate(2-)|RefChem:867895|Molybdate (MoO42-), potassium (1:2), (T-4)-

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What are the physical properties of Potassium molybdate?

Melting Point 920 °C
Density 2,3 g/cm 3
Appearance White, deliquescent, microcrystalline powder.Soluble in water; insoluble in alcohol.
Color White
Odor wh. odorless powd.
Form Powder
Water Solubility Soluble in water. Insoluble in alcohol

How is Potassium molybdate classified and handled safely? Learn More

Warning
GHS07· Irritant

Hazard Statements

H315 H315
H319 H319
H335 H335

Precautionary Statements

P261 P261
P264 P264
P271 P271
P280 P280

Which trade and regulatory codes apply to Potassium molybdate?

HS Code 2841700090
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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