Overview
Manganese chloride tetrahydrate (CAS 13446-34-9 ), also sold as manganous chloride tetrahydrate, is an inorganic manganese salt used across industrial, agricultural, and life science sectors. It functions primarily as a micronutrient supplement and process reagent.
In animal feed and agriculture, it supplies manganese as a trace mineral additive to support livestock nutrition. It is incorporated into premixes and compound feed at defined inclusion rates to ensure optimal animal health and growth.
Water treatment operations use it as a reagent in manganese greensand filtration systems. Here, it supports the oxidation and removal of dissolved iron and manganese from potable water supplies to meet safety standards.
Pharmaceutical and nutraceutical manufacturers use it as a manganese source in mineral supplement formulations. It also serves as a critical reagent in cell culture media and various biological research applications.
Personal care formulators incorporate it into select cosmetic preparations where controlled manganese ion delivery is required. This versatile chemical is essential for maintaining specific chemical balances in high-end formulations.
Manganese chloride tetrahydrate is supplied as a pink crystalline solid or granular powder. Standard commercial grades include technical, feed-grade, and reagent/ ACS grades for laboratory and industrial use.
Pharmaceutical-grade material is available to USP and BP specifications to ensure the highest purity. Packaging typically ranges from laboratory quantities up to bulk bags for large-scale industrial supply.
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Physical Properties
| Melting Point | 57.9 °C |
| Boiling Point | 1190 °C |
| Density | 1.637 g/cm³ @ Temp: 25 °C |
| Appearance | Crystalline |
| Color | Red |
| Form | Solid |
| Water Solubility | 1980 g/L (20 ºC) |
| pH | 3.5-6 (50g/l, H2O, 25℃) |
| Log P | -1.380 (est) |
Safety & Handling
Danger GHS05 GHS06 GHS07 GHS08 GHS09 Hazard Statements H301 H301 H302 H302 H318 H318 H319 H319 H361 H361 H372 H372 H373 H373 H402 H402 H411 H411 Precautionary Statements P203 P203 P260 P260 P264 P264 P270 P270 P273 P273 P280 P280 P317 P317 P318 P318 P319 P319 P321 P321 P330 P330 P391 P391 P405 P405 P501 P501 P264+P265 P264+P265 P301+P316 P301+P316 P301+P317 P301+P317 P337+P317 P337+P317 P305+P351+P338 P305+P351+P338 P305+P354+P338 P305+P354+P338
Trade & Regulatory
| HS Code | 28273990 |
| UN Number | 3077 |
| ADR Class | 9 |
| Packing Group | III |
| Storage Class | 6.1D - Non-combustible acute toxic Cat.3 toxic hazardous materials or hazardous materials causing chronic effects |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 13446-34-9
- EC Number
- 603-826-5
- Mol. Weight
- 197.90
- HS Code
- 28273990
- Category
- Salts & Minerals