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Hexamethyldistannane

Description Reference
Hexamethyldistannane
Hexamethyldistannane structure
CAS No.
661-69-8
Chemical Name:
Hexamethyldistannane
Synonyms
TD 5032;td-5032;NSC-227328;((CH3)3Sn)2;pennsalttd5032;HEXAMETHYLDITIN;Hexamethlyditin;Pennsalt TD 5032;in, hexamethyldi-;rimethyltin dimer
CBNumber:
CB4407230
Molecular Formula:
C6H18Sn2
Formula Weight:
327.63
MOL File:
661-69-8.mol

Hexamethyldistannane Properties

Melting point:
23-24 °C (lit.)
Boiling point:
182 °C/756 mmHg (lit.)
Density 
1.58 g/mL at 20 °C (lit.)
refractive index 
n20/D 1.540
Flash point:
142 °F
storage temp. 
Inert atmosphere,Room Temperature
form 
solid
Specific Gravity
1.570
color 
colorless, low-melting
Water Solubility 
Not miscible or difficult to mix in water.
Sensitive 
Air Sensitive
Hydrolytic Sensitivity
7: reacts slowly with moisture/water
BRN 
3600327
InChIKey
CCRMAATUKBYMPA-UHFFFAOYSA-N
CAS DataBase Reference
661-69-8(CAS DataBase Reference)
EWG's Food Scores
1
NIST Chemistry Reference
Hexamethylditin(661-69-8)
EPA Substance Registry System
Distannane, hexamethyl- (661-69-8)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS06,GHS09
Signal word  Danger
Hazard statements  H300+H310+H330-H410-H227-H300-H310
Precautionary statements  P210e-P262-P301+P310a-P405-P501a-P260-P264-P273-P280-P284-P301+P310
Hazard Codes  T+,N
Risk Statements  26/27/28-50/53
Safety Statements  26-27-28-45-60-61-28A
RIDADR  UN 3146 6.1/PG 2
WGK Germany  2
RTECS  WH8280000
10-23
TSCA  No
HazardClass  6.1
PackingGroup  II
HS Code  29319090
Toxicity LD50 oral in rat: 7690ug/kg

Hexamethyldistannane price More Price(12)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 288020 Hexamethylditin 99% 661-69-8 1g $45.7 2021-03-22 Buy
Sigma-Aldrich 288020 Hexamethylditin 99% 661-69-8 5g $141 2021-03-22 Buy
TCI Chemical H1312 Hexamethylditin >98.0%(GC) 661-69-8 1g $32 2021-03-22 Buy
TCI Chemical H1312 Hexamethylditin >98.0%(GC) 661-69-8 5g $98 2021-03-22 Buy
Alfa Aesar A17638 Hexamethylditin, 97% 661-69-8 1g $50.9 2020-06-24 Buy

Hexamethyldistannane Chemical Properties,Uses,Production

Description

It has been generally used as raw materials for producing other compounds in organic synthesis. For example, it can react with 1,3-dienes highly regioand stereo-selectively in the presence of a catalytic amount of bis(dibenzylideneacetone)palladium to afford dimerization-double-stannation adducts in high yields.1 The synthesis of allytrimethylstannanes with high yields was demonstrated by reaction of hexamethyldistanne with a broad range of allylic compounds including allyl acetates and allyl halides in the presence of palladium complexes.2 By using this product, the direct stannylation of halopyridines and bipyridines can be accomplished by Pd catalysis.3 Besides, the addition of hexamethyldistannane to 1-alkynes was shown to yield the (Z)-1,2-Bis(Trimethylstannyl)-1-Alkenes in the presence of Pd complex.4

Reference

  1. Tsuji, Y.; Kakehi, T., PALLADIUM-CATALYZED DIMERIZATION DOUBLE STANNATION OF 1,3-DIENES USING HEXAMETHYLDISTANNANE. J. Chem. Soc.-Chem. Commun. 1992, 1000-1001.
  2. Bumagin, N. A.; Kasatkin, A. N.; Beletskaya, I. P., REACTIONS OF HEXAMETHYLDISTANNANE WITH ALLYL ACETATES AND ALLYL HALIDES CATALYZED BY PALLADIUM COMPLEXES. Bulletin of the Academy of Sciences of the Ussr Division of Chemical Science 1984, 33, 588-594.
  3. Benaglia, M.; Toyota, S.; Woods, C. R.; Siegel, J. S., Synthesis of pyridylstannanes from halopyridines and hexamethyldistannane with catalytic palladium. Tetrahedron Lett. 1997, 38, 4737-4740.
  4. Mitchell, T. N.; Amamria, A.; Killing, H.; Rutschow, D., SYNTHESIS OF (Z)-1,2-BIS(TRIMETHYLSTANNYL)-1-ALKENES BY PLATINUM-CATALYZED ADDITION OF HEXAMETHYLDISTANNANE TO 1-ALKYNES. J. Organomet. Chem. 1983, 241, C45-C47.

Chemical Properties

Clear colorless liquid

Uses

Agricultural chemical.

Hazard

A poison by ingestion.

Purification Methods

Wash it with H2O and extract with *C6H6, dry by filtering through powdered Na2SO4, remove *C6H6 on a rotary evaporator and fractionally distil the oily residue under vacuum (b 85-88o/45mm). It boils at ca 182o at atmospheric pressure, but it cannot be distilled in air because the hot vapours flash in the condenser. [Kraus & Session J Am Chem Soc 47 2361 1925, Morris & Selwood J Am Chem Soc 63 2509 1941, Pedley et al. Trans Faraday Soc 53 1612 1957, Beilstein 4 IV 4346.]

Hexamethyldistannane Preparation Products And Raw materials

Raw materials

Preparation Products


Hexamethyldistannane Suppliers

Global( 86)Suppliers
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City Chemical LLC
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View Lastest Price from Hexamethyldistannane manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2020-03-10 Hexamethyldistannane
661-69-8
US $16.00 / KG 1KG 98% 1kg, 10kg, 50kg Career Henan Chemical Co

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