Overview
Manganese sulfate monohydrate (CAS 10034-96-5 ), also sold as manganous sulfate monohydrate, is an inorganic manganese salt used across agriculture, food, and industrial sectors as a micronutrient source and process chemical.
It supplies bioavailable manganese in applications ranging from crop nutrition to fermentation media and chemical synthesis. In agriculture and animal feed, it corrects manganese deficiency in soils and livestock diets.
This directly improves crop yield and feed nutritional profiles. Food and beverage manufacturers use it as a mineral fortification ingredient in functional foods, dietary supplements, and infant formula for nutritional support.
In industrial biotechnology, it supports microbial fermentation processes as a cofactor source, influencing enzyme activity and cell growth in production-scale bioreactors. This is essential for high-yield manufacturing.
Chemical producers also use it as a catalyst precursor in oxidation reactions and as a raw material for synthesizing other manganese compounds. Manganese sulfate monohydrate is supplied as a pale pink crystalline powder.
Standard grades include feed-grade, food-grade meeting FCC specifications, and technical-grade for industrial use. These variations ensure the material meets the specific purity requirements of the end application.
Pharmaceutical and reagent grades are available for life science and analytical applications where purity thresholds are more stringent. These often comply with USP , Ph.Eur. , BP , or EP standards.
Additionally, high-purity versions may meet ACS requirements for laboratory use. This versatility makes it a staple chemical for global manufacturers across diverse technical and nutritional industries.
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Physical Properties
| Melting Point | 700 °C |
| Boiling Point | 850 °C |
| Density | 2.95 g/cm³ |
| Appearance | Pink crystalline powder |
| Color | Pink |
| Odor | Odorless |
| Form | Solid |
| Water Solubility | 5-10 g/100 mL at 21 ºC |
| Refractive Index | 1.508-1.522 |
| pH | 3.0-3.5 (50g/l, H2O, 20℃) |
| Log P | -1.031 (est) |
Safety & Handling
Warning GHS08 GHS09 GHS05 GHS07 Hazard Statements H302 Harmful if swallowed H318 Causes serious eye damage H341 Suspected of causing genetic defects H360 May damage fertility or the unborn child H372 Causes damage to organs through prolonged or repeated exposure H373 May causes damage to organs through prolonged or repeated exposure H411 Toxic to aquatic life with long lasting effects Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P330 Rinse mouth. P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 28332990 |
| UN Number | 3077 |
| ADR Class | 9 |
| Packing Group | III |
| Storage Class | 13 - Non Combustible Solids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 10034-96-5
- EC Number
- 600-072-9
- Mol. Weight
- 169.02
- HS Code
- 28332990
- Category
- Catalysts & Catalyst Precursors