Overview
Lithium molybdate (CAS 13568-40-6 ) is an inorganic salt used industrially as a corrosion inhibitor, protecting metal surfaces in aqueous and high-temperature environments.
It functions by forming a passive protective layer on metal substrates, reducing oxidative degradation in process systems. In water treatment, it is dosed into closed-loop cooling and heating circuits.
This helps to inhibit corrosion of ferrous and non-ferrous metals, extending system service life and reducing maintenance costs. Metalworking and lubricant formulators incorporate it into cutting fluids.
It is used in metal-working concentrates where corrosion protection of tooling and workpiece surfaces is required. It is also evaluated as a component in high-performance grease and lubricant formulations.
Molybdate-based inhibition offers performance at elevated temperatures. Industrial coating and surface treatment processes use molybdate salts as non-chromate corrosion inhibitor alternatives.
This supports compliance with restrictions on hexavalent chromium compounds. The product is supplied as a white crystalline powder. Technical and high-purity grades are available for industrial use.
These grades meet the requirements of industrial formulation and specialty chemical applications. Packaging is typically offered in multi-kilogram bags or drums for various needs.
Bulk quantities are available for large-scale industrial procurement. This ensures a steady supply for manufacturers requiring consistent chemical quality and performance in their processes.
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Physical Properties
| Melting Point | 701 °C (polymorph) |
| Density | 3.04 g/cm³ |
| Appearance | white to almost white crystalline powder |
| Color | White |
| Form | Powder |
| Water Solubility | soluble |
Safety & Handling
Warning GHS07 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| Storage Class | 13 - Non Combustible Solids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 13568-40-6
- EC Number
- 236-977-7
- Mol. Weight
- 173.9
- Category
- Salts & Minerals