Molecular Formula | H8MnN2O10 |
Molar Mass | 251.01 |
Density | 2,13 g/cm3 |
Melting Point | 37 °C |
Water Solubility | Soluble in ethanol and water. |
Solubility | 3800g/l |
Appearance | Crystals |
Color | Pink |
Merck | 14,5733 |
PH | 3 (50g/l, H2O, 20℃) |
Storage Condition | Store at +5°C to +30°C. |
Sensitive | Hygroscopic |
Physical and Chemical Properties | Chemical properties colorless or rose red monoclinic crystal. Relative density 1.82. Melting point 25.8 ℃. Boiling point 129.4 ℃. Easily soluble in water, slightly soluble in alcohol. Industrial products are usually manganese nitrate solutions containing 61% and 70%. |
Use | Used as a raw material and intermediate for the manufacture of manganese dioxide. It is also used as a ceramic colorant and metal phosphating agent. |
Risk Codes | R8 - Contact with combustible material may cause fire R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
UN IDs | UN 2724 5.1/PG 3 |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 28342980 |
Hazard Class | 5.1 |
Packing Group | III |
Toxicity | 参见金属锰。 |
Exposure Limits
ACGIH: TWA 0.02 mg/m3; TWA 0.1 mg/m3
OSHA: Ceiling 5 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3
The pyrolusite method mixes pyrolusite and pulverized coal in a certain proportion and is roasted. The generated manganese monoxide reacts with nitric acid to generate manganese nitrate. After filtration and concentration, a manganese nitrate solution is prepared. br />
MnO2 C→MnO CO↑
Mn02 CO→Mn0 CO2↑
MnO 2HNO3→Mn(NO3)2 H2O
The metal manganese method adds metal manganese to a dilute nitric acid solution for reaction to generate manganese nitrate. The solution is purified and filtered to obtain a manganese nitrate solution. Its
3Mn 8HNO3→3Mn(NO3)2 2NO 4H2O