CAS No.7783-55-3,PHOSPHORUS TRIFLUORIDE Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	7783-55-3
Name:	PHOSPHORUS TRIFLUORIDE
Article Data:	157

Formula:	F₃P
Molecular Weight:	87.969
Synonyms:	Phosphorusfluoride (PF3) (6CI,8CI);Phosphorus trifluoride;Trifluorophosphine;trifluorophosphin;
EINECS:	232-008-7
Density:	3.91 g/L, gas
Melting Point:	-151.5 °C, 122 K, -241 °F
Boiling Point:	-101.8 °C, 171 K, -151 °F
Flash Point:	-101.5°C
Solubility:	slow hydrolysis in water
Hazard Symbols:	T
Risk Codes:	14-32-34
Safety:	3/7-9-38-45
PSA:	13.59000
LogP:	2.12180

Synthetic route

: 1279123-63-5
potassium hydrogenfluoride

: 7789-60-8
phosphorus tribromide

: 7783-55-3
trifluorophosphane

Conditions

Conditions	Yield
In acetonitrile byproducts: KBr, HBr; PBr3 in MeCN was slowly added to a boiling suspn. of KHF2 in MeCN;; the gaseous prod. was condensed in trap cooled by liq. N2 and distd. at -100°C; elem. anal.; IR;	90%

: 1279123-63-5
potassium hydrogenfluoride

: 7719-12-2, 52843-90-0
phosphorus trichloride

: 7783-55-3
trifluorophosphane

Conditions

Conditions	Yield
In acetonitrile byproducts: KCl, HCl; PCl3 in MeCN was slowly added to a boiling suspn. of KHF2 in MeCN;; the gaseous prod. was condensed in trap cooled by liq. N2 and distd. at -100°C; elem. anal.; IR;	87.7%

: 14791-57-2
silyl bromide

: 34326-59-5
bis(difluorophosphino)amine

: 75-50-3
trimethylamine

A: 11128-24-8
fluorosilane

B: 71579-72-1
bis(difluorophosphine)silylamine

C: 7783-55-3
trifluorophosphane

Conditions

Conditions	Yield
In neat (no solvent) byproducts: (NHMe3)Br; absence of air and moisture (vac. line); condensing NMe3 onto mixt. of NH(PF2)2 and SiBrH3, warming to room temp. for 15 s; fractional distn.;	A n/a B 87% C n/a

...Expand

: bis(trifluoromethyl)cadmium*(pyridine)2

: 13455-01-1
phosphorous triiodide

: 7783-55-3
trifluorophosphane

Conditions

Conditions	Yield
In pyridine	69%

: 14335-40-1
chlorodifluorophosphine

: 7664-41-7
ammonia

A: 25757-74-8
aminodifluorophosphine

: 60448-09-1
diaminodifluorophosphorane

C: 7783-55-3
trifluorophosphane

Conditions

Conditions	Yield
In neat (no solvent) expanding excess of NH3 into PClF2, standing for 3 min; removal of volatiles, fractional low-temp. distn. (vac., trap at 227 K);mass spectroscopy;	A n/a B 42% C n/a

...Expand

: fluoride

: 7719-12-2, 52843-90-0
phosphorus trichloride

: 7783-55-3
trifluorophosphane

Conditions

Conditions	Yield
In melt passing PCl3 vapour into a melt of alkali fluorides at 500°C;;	20%

: phosphorous

: 7664-39-3
hydrogen fluoride

: 7783-55-3
trifluorophosphane

Conditions

Conditions	Yield
500°C, closed reactor;	5%
In not given heating red P with Hf under pressure;;

: phosphorous

: 13465-66-2, 271781-78-3
selenium(IV) fluoride

A: 7446-08-4
selenium(IV) oxide

B: 13478-20-1
trifluorophosphoric acid

C: 1087413-67-9
nitrosylsulfuric acid fluoride

D: 7783-55-3
trifluorophosphane

...Expand

: ammonium fluoride

: 7719-12-2, 52843-90-0
phosphorus trichloride

A: 15597-63-4
phosphorus fluoride dichloride

B: 7783-55-3
trifluorophosphane

Conditions

Conditions	Yield
In neat (no solvent) refluxing with dry NH4F;;
In neat (no solvent) heating PCl3 with dry NH4F with a reflux condenser;;
In neat (no solvent) refluxing with dry NH4F;;
In neat (no solvent) heating PCl3 with dry NH4F with a reflux condenser;;

...Expand

: calcium fluoride

: phosphorus pentoxide

: 7647-14-5
sodium chloride

A: 13478-20-1
trifluorophosphoric acid

B: 13769-76-1
phosphoryl dichloride fluoride

C: 13769-75-0
phosphorus oxydifluorochloride

D: 7783-55-3
trifluorophosphane

E: 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate

Conditions

Conditions	Yield
In neat (no solvent) heating with CaF2 in presence of NaCl;;
In neat (no solvent) heating with CaF2 in presence of NaCl;;

...Expand

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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

OSHA PEL: TWA 2.5 mg(F)/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.
NIOSH REL: (Fluorides, Inorganic) TWA 2.5 mg(F)/m³

Specification

The Phosphorus trifluoride, with the CAS registry number 7783-55-3 and EINECS registry number 232-008-7, is also called trifluorophosphin. It is a kind of moisture sensitive chemical, and the molecular formula of this chemical is F₃P. What's more, it is a colorless and odorless gas and main use is as a ligand in metal complexes.

The physical properties of Phosphorus trifluoride are as following: (1)ACD/LogP: 3.05; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.05; (4)ACD/LogD (pH 7.4): 3.05; (5)ACD/BCF (pH 5.5): 123.29; (6)ACD/BCF (pH 7.4): 123.29; (7)#H bond acceptors: 0; (8)#H bond donors: 0; (9)#Freely Rotating Bonds: 0; (10)Polar Surface Area: 13.59 Å²; (11)Enthalpy of Vaporization: 16.5 kJ/mol; (12)Boiling Point: °C at 760 mmHg; (13)Vapour Pressure: 40800 mmHg at 25°C.

Preparation of Phosphorus trifluoride: It is usually prepared from phosphorus trichloride via halogen exchange using various fluorides such as hydrogen fluoride, calcium fluoride, arsenic trifluoride, antimony trifluoride, or zinc fluoride:
2 PCl₃ + 3 ZnF₂ → 2 PF₃+ 3 ZnCl₂

You should be cautious while dealing with this chemical. It reacts violently with water, and if contact with acids will liberate very toxic gas. And it may also cause burns. Therefore, you had better take the following instructions: Keep container tightly closed in a cool place; Keep container in a well-ventilated place; In case of insufficient ventilation, wear suitable respiratory equipment; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible). In addition, its toxicity is due to its binding with the iron in blood hemoglobin in a similar way to carbon monoxide.

You can still convert the following datas into molecular structure:
(1)SMILES: FP(F)F
(2)InChI: InChI=1/F3P/c1-4(2)3
(3)InChIKey: WKFBZNUBXWCCHG-UHFFFAOYAK

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LCLo	inhalation	1900mg/m³/10M (1900mg/m³)		National Defense Research Committee, Office of Scientific Research and Development, Progress Report.Vol. NDCrc-132, Pg. JUN1942,