Overview
Manganese diacetate (CAS 638-38-0 ), also known as manganous acetate, is an inorganic manganese salt used across industrial chemistry primarily as a catalyst and metal ion source.
It delivers controlled manganese content in formulations and process baths where precise metal dosing determines product quality. In textile dyeing and leather finishing, it acts as a mordant and oxidation catalyst.
This chemical improves dye fixation and surface uniformity in various industrial applications. Coatings and paint manufacturers use it as a drier catalyst to accelerate oxidative curing in alkyd and oil-based systems.
In agriculture, it supplies manganese as a micronutrient in fertilizer formulations and foliar spray concentrates. This is particularly effective where manganese deficiency correction is the primary target outcome.
Polymer and plastics producers incorporate it as a catalyst in polymerization and condensation reactions. This is essential in processes where transition metal activation is required for high-quality material production.
Manganese diacetate is supplied as a crystalline powder or granules, with tetrahydrate form being the most commercially prevalent. Standard grades include technical and reagent-grade specifications for processing.
Purity levels typically range from technical grade through high-purity grades suited for pharmaceutical and biotechnology use. These products are manufactured to meet rigorous industrial and laboratory standards.
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Physical Properties
| Melting Point | 102-103 °C |
| Density | 1.74 g/cm³ |
| Appearance | Pale red crystals |
| Color | Grayish-beige to light brown |
| Form | Powder |
| Water Solubility | Soluble in water, methanol and acetic acid. |
| Vapor Pressure | 13hPa at 25℃ |
Safety & Handling
Danger GHS07 GHS08 GHS05 Hazard Statements H302 H302 H315 H315 H318 H318 H319 H319 H360 H360 H372 H372 H373 H373 Precautionary Statements P203 P203 P260 P260 P264 P264 P270 P270 P280 P280 P317 P317 P318 P318 P319 P319 P321 P321 P330 P330 P405 P405 P501 P501 P264+P265 P264+P265 P301+P317 P301+P317 P302+P352 P302+P352 P332+P317 P332+P317 P337+P317 P337+P317 P362+P364 P362+P364 P305+P351+P338 P305+P351+P338 P305+P354+P338 P305+P354+P338
Trade & Regulatory
| HS Code | 29152990 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 638-38-0
- EC Number
- 211-334-3
- Mol. Weight
- 173.03
- HS Code
- 29152990
- Category
- Salts & Minerals