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| CAS No.: | 7783-53-1 |
|---|---|
| Name: | MANGANESE(III) FLUORIDE |
| Article Data: | 22 |
| Molecular Structure: | |
|
|
|
| Formula: | F3Mn |
| Molecular Weight: | 111.933 |
| Synonyms: | Manganesetrifluoride; Manganese(3+) fluoride; Manganese(III) fluoride; Manganic fluoride |
| EINECS: | 232-006-6 |
| Density: | 3.54 g/mL at 25oC(lit.) |
| Melting Point: | decomposes at >600℃ [KIR81] |
| Boiling Point: | 19.5oC at 760 mmHg |
| Solubility: | Insoluble in organic solvents. Hydrolyzed by water. |
| Appearance: | purple powder or crystals |
| Hazard Symbols: | O,Xn |
| Risk Codes: | 8-20/21/22-36/37/38 |
| Safety: | Poison irritant. A powerful fluorinating agent. Violent reaction when heated with glass. When heated to decomposition it emits toxic fumes of F−. See also FLUORIDES and MANGANESE COMPOUNDS. |
| PSA: | 0.00000 |
| LogP: | 1.26060 |
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| Conditions | Yield |
|---|---|
| In neat (no solvent) passing F2 (dild. with N2 to 20 vol.-%) near 100 °C over MnO (5L/h);; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) react. with F2 below 100 °C;; |
| Conditions | Yield |
|---|---|
| 20-120°C, in liq. phase; |
| Conditions | Yield |
|---|---|
| In hydrogen fluoride dissolving freshly pptd. MnO2 in aq. HF-soln.;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) Kinetics; N2 carrier gas; 443 - 478 K, fluorine partial pressure 1.0 - 3.34 kPa; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating MnO2 (dried by slight warming in vac.) with F2-N2-gas-mixt. (vol.-ratio 20:80) to 150 °C;; | A <1 B n/a |
- 7783-53-1
manganese(III) fluoride
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[(N,N'-dimethyl-2,11-diaza[3,3][2,6]pyridinophane)Mn(III)F2(PF6)
| Conditions | Yield |
|---|---|
| In tetrahydrofuran; methanol to a soln. of MnF2 in methanol amine-compound in THF was added, stirred for 30 min at room temp., THF-satd. soln. of (C4H9)4NPF6 was added; the soln. was left whithout stirring, ppt. was filtered; elem. anal.; | 80% |
| Conditions | Yield |
|---|---|
| In methanol MnF3 and benzotriazole heated in methanol at 50°C under aerobic conditions for 10 min; soln. filtered and triethylamine added; crystals obtained upon evaporation in air after 24 h; elem. anal.; | 80% |
| Conditions | Yield |
|---|---|
| In methanol MnF3 and dimethylbenzotriazole heated in methanol at 50°C under aerobic conditions for 10 min; soln. filtered and crystals obtained upon evaporation in air after 24 h;elem. anal.; | 80% |
| Conditions | Yield |
|---|---|
| In methanol to stirred soln. of org. ligand in MeOH added MnF3; soln. stirred at room temp. for 2 h; soln. filtered; crystals were obtained by slow diffusion of Et2O in thissoln.; elem. anal.; | 76% |
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Chemistry
IUPAC: Trifluoromanganese
Synonyms: Manganese fluoride (MnF3) ; Manganesefluoride(mnf3) ; MnF3 ; Manganese(III) fluoride 99% ; Manganese(III)fluoride,98%(metalsbasis) ; Manganese(III)fluoride,98%
CAS: 7783-53-1
EINECS: 232-006-6
Molecular Formula: F3Mn
Formula Weight: 111.93 g/mol
Molecular Structure:
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Boiling Point: 19.5 °C at 760 mmHg
Density: 3.54 g/mL at 25 °C(lit.)
Sensitive: Hygroscopic
Merck: 14,5741
Stability: Stable. Incompatible with strong oxidizing agents. Protect from moisture. Contact with combustible material may lead to fire.
Production
The Synthesis and reactions of Manganese trifluoride (CAS NO.7783-53-1):
MnF3 can be prepared by treating a solution of MnF2 in anhydrous hydrogen fluoride with fluorine:
MnF2 + 0.5 F2 → MnF3
In the crystalline state, MnF3 resembles vanadium(III) fluoride: both feature octahedal metal centers with the same average M-F bond distances. In the Mn compound, however, is distorted (and hence a monoclinic unit cell vs. a higher symmetry one) due to the Jahn-Teller effect, with pairs of Mn-F distances of 1.79, 1.91, 2.09 A.[3][4][5] Jahn-Teller distortions are characteristic of the presence of four d-electrons in the valence shell
Toxicity Data With Reference
The toxicity of Manganese trifluoride (CAS NO.7783-53-1):
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LC50 | inhalation | 320mg/m3 (320mg/m3) | SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: STRUCTURAL OR FUNCTIONAL CHANGE IN TRACHEA OR BRONCHI | "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 160, 1999. |
| mouse | LD50 | oral | 86mg/kg (86mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION | "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 160, 1999. |
Consensus Reports
Manganese and its compounds are on the Community Right-To-Know List.
Safety Profile
The Hazard Codes of Manganese trifluoride (CAS NO.7783-53-1): 
O
Xn
Risk Statements: R8 :Contact with combustible material may cause fire. R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: S17:Keep away from combustible material. S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 3087 5.1/PG 2
WGK Germany: 3
RTECS: OP0882600
Hazard Note: Harmful/Oxidising Agent/Hygroscopic
HazardClass: 6.1
PackingGroup: III
Poison irritant. A powerful fluorinating agent. Violent reaction when heated with glass. When heated to decomposition it emits toxic fumes of F−. See also FLUORIDES and MANGANESE COMPOUNDS.