7782-64-1
Manganese difluoride
CAS: 7782-64-1
Molecular Formula: F2Mn
7782-64-1 - Names and Identifiers
| Name | Manganese difluoride |
| Synonyms | C.I.77738 Manganese fluorure Manganese bifluoride Manganese difluoride Difluoromanganese(II) Manganese(II) fluoride Manganese fluoride (MnF2) |
| CAS | 7782-64-1 |
| EINECS | 231-960-0 |
| InChI | InChI=1S/2FH.Mn/h2*1H;/q;;+2/p-2 |
7782-64-1 - Physico-chemical Properties
| Molecular Formula | F2Mn |
| Molar Mass | 92.93 |
| Density | 3.98g/mLat 25°C(lit.) |
| Melting Point | 856°C(lit.) |
| Boling Point | 856°C (estimate) |
| Water Solubility | Soluble in dilute hydrogen fluoride, concentrated hydrochloric acid and nitric acid. Insoluble in water and alcohol. |
| Appearance | Crystalline Powder |
| Specific Gravity | 3.98 |
| Color | Red |
| Exposure Limit | ACGIH: TWA 2.5 mg/m3; TWA 0.02 mg/m3; TWA 0.1 mg/m3OSHA: Ceiling 5 mg/m3NIOSH: IDLH 500 mg/m3; IDLH 250 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3 |
| Merck | 14,5729 |
| Storage Condition | Room Temprature |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| MDL | MFCD00016222 |
| Use | Used as a spectral purity reagent |
7782-64-1 - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN3288 |
| WGK Germany | 3 |
| RTECS | OP0875000 |
| TSCA | Yes |
| Hazard Note | Harmful/Hygroscopic |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD in guinea pigs (mg/kg): 200 orally, 700 s.c. (Waldbott) |
7782-64-1 - Reference
| Reference Show more | 1. [IF=19.503] Xiao Yu et al."Activation or passivation: Influence of halogen dopant (F, Cl, Br) on photothermal activity of Mn2O3 in degrading toluene."Appl Catal B-Environ. 2022 Jul;309:121236 |
7782-64-1 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| solubility in water (g/100ml) | grams dissolved per 100ml of water at different temperatures (℃): 10.6g/20 ℃;0.67g/40 ℃;0.44g/60 ℃;0.48g/100 ℃ |
| Use | as a spectral purity reagent |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 250 mg/kg |
| flammability hazard characteristics | combustible, spicy and irritating smoke containing manganese and fluoride emitted from fire |
| storage and transportation characteristics | The warehouse is low temperature, ventilated and dry, and stored separately from food raw materials |
| fire extinguishing agent | water, carbon dioxide, dry powder, foam |
| Occupational Standard | TWA 0.2 mg (MN)/m3; TWA 2.5 mg (F)/M3 |
Last Update：2024-04-10 22:29:15
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