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TIN(IV) FLUORIDE

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Origin: China

Cas No: 7783-62-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 7783-62-2 Formula: F4Sn Molecular Weight: 194.69500

Description

Tin(IV) fluoride is a chemical compound of tin and fluorine with the chemical formula SnF4 and is a white solid with a melting point above 700°C.
SnF4 can be prepared by the reaction of tin metal with fluorine gas:
Sn + 2F2 → SnF4
However, a passivating metal fluoride layer will be created and the surface will eventually become unreactive. An alternative synthesis is the reaction of SnCl4 with anhydrous hydrogen fluoride:
SnCl4 + 4HF → SnF4 + 4HCl
With alkali metal fluorides (e.g. KF) hexafluorostannates are produced (e.g.K2SnF6), which contain the octahedral SnF62− anion. SnF4 behaves as a Lewis acid and adducts L2·SnF4 and L·SnF4 have been produced.

Basic Info

Chemical Name	TIN(IV) FLUORIDE
Synonyms	Stannous bromide; dibromo-lambda2-stannane; SnBr2; tin tetrafluoride; Tin(II) bromide; tin fluoride; stannous fluoride; Tin bromide (SnBr2); stannous tetrafluoride; Tin dibromide; stannic fluoride;
CAS No.	7783-62-2
Molecular Formula	F4Sn
Molecular Weight	194.69500
PSA	0.00000
LogP	1.30000

Properties

Appearance & Physical State	off-white powder
Boiling Point	19.5ºC at 760mmHg
Melting Point	705ºC (subl.)

Safety Info

Safety Statements	S26; S27; S36; S36/39
Packing Group	II
RIDADR	UN2923
Risk Statements	R20/21/22
Hazard Codes	Xn; C
Hazard Declaration	H302 + H312 + H332
Caution Statement	P261; P280; P301 + P312 + P330
Signal Word	Warning
Symbol	GHS07

Synthesis Route

dichloro(difluoro)stannane→TIN(IV) FLUORIDE+Tin Tetrachloride
tin atom+difluorine→TIN(IV) FLUORIDE
hydrogen fluoride+Tin Tetrachloride→TIN(IV) FLUORIDE

Precursor

difluorine
tin atom
Boron trifluoride etherate
Tin Tetrachloride

Downstream Product

TRIFLUOROSILANE
sulfur tetrafluoride
phosphorus pentafluoride
tin atom

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