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Tin(IV) Bromide

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Origin: China

Cas No: 7789-67-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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CAS No.: 7789-67-5 Formula: Br4Sn Molecular Weight: 438.31700

Description

Tin(IV) bromide is the chemical compound SnBr4. It is a colourless low melting solid. SnBr4 can be prepared by reaction of the elements at normal temperatures:
Sn + 2Br2 → SnBr4
In aqueous solution Sn(H2O)64+ is the principal ionic species amongst a range of 6 coordinate ions with from 0-6 bromide ligands (e.g. Sn(H2O)64+, SnBr(H2O)53+) In basic solution the Sn(OH)62− ion is present. SnBr4 forms 1:1 and 1:2 complexes with ligands, e.g. with trimethylphosphine the following can be produced, SnBr4.P(CH3)3 and SnBr4.2P(CH3)3. SnBr4 crystallises in a monoclinic form with molecular SnBr4 units that have distorted tetrahedral geometry.

Basic Info

Chemical Name	Tin(IV) Bromide
Synonyms	TIN(IV) BROMIDE;
CAS No.	7789-67-5
Molecular Formula	Br4Sn
Molecular Weight	438.31700
PSA	0.00000
LogP	3.00160

Properties

Density	3.34
Boiling Point	202ºC
Melting Point	11414ºC

Safety Info

Hazard Class	8
Safety Statements	S25-S36/37/39-S45
Packing Group	II
WGK Germany	3
RIDADR	UN 3260 8/PG 2
Risk Statements	R34
Hazard Codes	C
Signal Word	Danger
Supplemental Hazard Statements	Reacts violently with water.
Caution Statement	P260; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338
Symbol	GHS05, GHS07
Hazard Declaration	H314; H335

Synthesis Route

dibromine+2-cyclohexylethyl-methyl-propan-2-yltin→Cyclohexyl bromide+bromomethane
tetrabenzylstannane→Benzyl formate+benzyl bromide
tin atom+dibromine→Tin(IV) Bromide

Precursor

tetrakis(prop-2-enyl)stannane
tin atom
dibromine
bromine(•)

Downstream Product

tin(IV) bromide trichloride
antimony trichloride
tin atom
Tin Tetrachloride

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