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Cas Database

Name	Iron (ii) fluoride	EINECS	232-155-7
CAS No.	7783-50-8	Density	3.87 g/cm³
PSA	0.00000	LogP	1.25810
Solubility	N/A	Melting Point	1000 °C
Formula	F₃Fe	Boiling Point	19.5 °C at 760 mmHg
Molecular Weight	112.842	Flash Point	N/A
Transport Information	UN 3260 8/PG 2	Appearance	green powder
Safety	26-36/37/39-45-27-22	Risk Codes	34-20/21/22
Molecular Structure		Hazard Symbols	C
Synonyms	Ferric trifluoride;trifluoroiron;Iron fluoride;Iron fluoride (FeF3);Iron trifluoride;	Article Data	67

Iron (ii) fluoride Synthetic route

: iron(III) oxide

: 7783-50-8
iron(III) fluoride

Conditions

Conditions	Yield
With F reaction of Fe2O3 with F on slight heating with flaming up; formation of FeF3;;

: iron(III) oxide

: 7783-50-8
iron(III) fluoride

Conditions

Conditions	Yield
With F reaction of Fe2O3 with F on slight heating with flaming up; formation of FeF3;;

: iron(III) oxide

: ammonium hydrogen fluoride

A: iron(II) fluoride

B: 7783-50-8
iron(III) fluoride

C: 7664-39-3
hydrogen fluoride

D: 7727-37-9
nitrogen

E: 7664-41-7
ammonia

Conditions

Conditions	Yield
In neat (no solvent) byproducts: H2O; heating up to 600°C; detd. by X-ray diffraction;

...Expand

: iron(III) oxide

: 7664-39-3
hydrogen fluoride

A: 7783-50-8
iron(III) fluoride

B: 7732-18-5
water

: iron(III) oxide

: ammonium hydrogen fluoride

A: iron(II) fluoride

B: 7783-50-8
iron(III) fluoride

C: 7664-39-3
hydrogen fluoride

D: 7727-37-9
nitrogen

E: 7664-41-7
ammonia

Conditions

Conditions	Yield
In neat (no solvent) byproducts: H2O; heating up to 600°C; detd. by X-ray diffraction;

...Expand

: 7782-50-5
chlorine

: 7439-89-6
iron

: 7782-41-4
fluorine

: 7783-50-8
iron(III) fluoride

Conditions

Conditions	Yield
In neat (no solvent) heating (3 h, 400°C);

: 7664-39-3
hydrogen fluoride

: 7705-08-0
iron(III) chloride

: 7783-50-8
iron(III) fluoride

Conditions

Conditions	Yield
In neat (no solvent) decompn. with gaseous HF, formation of FeF3;;
In neat (no solvent) reaction in coldness to amorphous FeF3; at 1000 °C formation of crystalline FeF3;;
In neat (no solvent) decompn. with gaseous HF, formation of FeF3;;

: 7705-08-0
iron(III) chloride

: 7783-50-8
iron(III) fluoride

Conditions

Conditions	Yield
With alkali fluoride In water byproducts: iron(III) fluoro anion;

: iron(III) oxide

: 7664-39-3
hydrogen fluoride

A: 7783-50-8
iron(III) fluoride

B: 7732-18-5
water

: 7705-08-0
iron(III) chloride

: 7782-41-4
fluorine

: 7783-50-8
iron(III) fluoride

Conditions

Conditions	Yield
In neat (no solvent) reaction of FeCl3 with F2 to FeF3 at elevated temp.;;
In not given reaction of FeCl3 with F2;;
In not given reaction of FeCl3 with F2;;
In neat (no solvent) reaction of FeCl3 with F2 to FeF3 at elevated temp.;;

Iron (ii) fluoride Consensus Reports

Reported in EPA TSCA Inventory.

Iron (ii) fluoride Standards and Recommendations

OSHA PEL: TWA 2.5 mg(F)/m³; TWA 1 mg(Fe)/m³
ACGIH TLV: TWA 2.5 mg(F)/m³; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift; 1 mg(Fe)/m³
NIOSH REL: TWA (Inorganic Fluorides) 2.5 mg(F)/m³

Iron (ii) fluoride Specification

The Ferric fluoride is an organic compound with the formula F₃Fe. The IUPAC name of this chemical is trifluoroiron. With the CAS registry number 7783-50-8, it is also named as Ferric fluoride, anhydrous. The product's category is Inorganics. Besides, it is a green powder, which should be stored in a cool and dry place.

Physical properties about Ferric fluoride are: (1)Enthalpy of Vaporization: 25.54 kJ/mol; (2)Boiling Point: 19.5 °C at 760 mmHg; (3)Vapour Pressure: 922 mmHg at 25°C.

Preparation: this chemical is prepared by treating virtually any anhydrous iron compound with fluorine. More practically and like most metal fluorides, it is prepared by treating the corresponding chloride with hydrogen fluoride:
FeCl₃ + 3 HF → 2 FeF₃ + 3 HCl

Uses of Ferric fluoride: the primary commercial use of Ferric fluoride is in the production of ceramics. Ferric fluoride has also been shown to catalyze chemoselective addition of cyanide to aldehydes to give the cyanohydrins.

When you are using this chemical, please be cautious about it as the following:
It is harmful by inhalation, in contact with skin and if swallowed. Please take off immediately all contaminated clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical can cause burns. When you are using it, wear suitable gloves and eye/face protection and do not breathe dust. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: F[Fe](F)F
(2)InChI: InChI=1/3FH.Fe/h3*1H;/q;;;+3/p-3
(3)InChIKey: SHXXPRJOPFJRHA-DFZHHIFOAS
(4)Std. InChI: InChI=1S/3FH.Fe/h3*1H;/q;;;+3/p-3
(5)Std. InChIKey: SHXXPRJOPFJRHA-UHFFFAOYSA-K

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intravenous	18mg/kg (18mg/kg)		U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00135,

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