ChemicalBook > CAS DataBase List > Hexamethyldistannane

Hexamethyldistannane

Description Reference

Product Name: Hexamethyldistannane
CAS No.: 661-69-8
Chemical Name: Hexamethyldistannane
Synonyms: HEXAMETHYLDITIN;1,1,1,2,2,2-Hexamethyldistannane;HEXAMETHYLDITIN(IV);1,1,1,2,2,2-Hexamethyl-distannane;TD 5032;td-5032;NSC-227328;((CH3)3Sn)2;pennsalttd5032;Hexamethlyditin
CBNumber: CB4407230
Molecular Formula: C6H18Sn2
Formula Weight: 327.63
MOL File: 661-69-8.mol

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Hexamethyldistannane Property

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: Colourless
Water Solubility: Not miscible or difficult to mix in water.
Sensitive: Air Sensitive
Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
BRN: 3600327
Exposure limits: ACGIH: TWA 0.1 mg/m3; STEL 0.2 mg/m3 (Skin)
NIOSH: IDLH 25 mg/m3; TWA 0.1 mg/m3
InChIKey: CCRMAATUKBYMPA-UHFFFAOYSA-N
CAS DataBase Reference: 661-69-8(CAS DataBase Reference)
NIST Chemistry Reference: Hexamethylditin(661-69-8)
EPA Substance Registry System: Distannane, hexamethyl- (661-69-8)

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Safety

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
F: 10-23
TSCA: No
HazardClass: 6.1
PackingGroup: II
HS Code: 29319090
Toxicity: LD50 oral in rat: 7690ug/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P262Do not get in eyes, on skin, or on clothing.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 288020
Product name: Hexamethylditin
Purity: 99%
Packaging: 1g
Price: $67.6
Updated: 2025/07/31

Sigma-Aldrich

Product number: 288020
Product name: Hexamethylditin
Purity: 99%
Packaging: 5g
Price: $176
Updated: 2025/07/31

TCI Chemical

Product number: H1312
Product name: Hexamethylditin
Purity: >98.0%(GC)
Packaging: 1g
Price: $36
Updated: 2025/07/31

TCI Chemical

Product number: H1312
Product name: Hexamethylditin
Purity: >98.0%(GC)
Packaging: 5g
Price: $110
Updated: 2025/07/31

Strem Chemicals

Product number: 50-1500
Product name: Hexamethylditin, 99%
Packaging: 1g
Price: $43
Updated: 2024/03/01

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Hexamethyldistannane Chemical Properties,Usage,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

Tsuji, Y.; Kakehi, T., PALLADIUM-CATALYZED DIMERIZATION DOUBLE STANNATION OF 1,3-DIENES USING HEXAMETHYLDISTANNANE. J. Chem. Soc.-Chem. Commun. 1992, 1000-1001.
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.
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.
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.
[5] H. YOSHIDA. ChemInform Abstract: Copper-Catalyzed α-Selective Hydrostannylation of Alkynes for the Synthesis of Branched Alkenylstannanes.[J]. ChemInform, 2015, 46 44. DOI:10.1002/chin.201544208.
[6] BO CHEN . Palladium-catalyzed carbonylative synthesis of acylstannanes from aryl iodides and hexamethyldistannane[J]. Journal of Organometallic Chemistry, 2020, 923: Article 121351. DOI:10.1016/j.jorganchem.2020.121351.

Chemical Properties

Clear colorless liquid

Uses

Agricultural chemical.

Uses

It is used to prepare aryl tin compounds for microwave-assisted Stille cross-coupling with halo pyridines or copper-mediated O-arylation of phenols.

Hazard

A poison by ingestion.

Chemical Reactivity

Hexamethyldistannane is a good chemical reagent that can react with unsaturated alkanes (alkynes or alkenes) and aryl iodides to form organostannanes. For example, the reaction of alkynes with hexamethyldistannane produces branched trimethylstannyl olefins^[5]. Using Pd(PPh3)4 as a catalyst and toluene as a solvent, aryl iodides and hexamethyldistannane are carbonylated to form acylstannanes at 60 °C and 10 bar CO for 16 hours. For easy separation and analysis, the resulting acylstannanes can be converted to the corresponding benzoic acids by simply stirring in air for 5 hours^[6].

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

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View Lastest Price from Hexamethyldistannane manufacturers

Shaanxi Dideu New Materials Co. Ltd

Product: Hexamethyldistannane 661-69-8
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10000KGS
Release date: 2025-02-25

Career Henan Chemical Co

Product: Hexamethyldistannane 661-69-8
Price: US $16.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1kg, 10kg, 50kg
Release date: 2020-03-09

661-69-8, HexamethyldistannaneRelated Search:

Boron tribromide HEXABUTYLDITIN Hexaphenylditin(IV) Hexamethyldistannane HEXA(CYCLOHEXYL)DITIN HEXAKIS(2-METHYL-2-PHENYLPROPYL)DITIN

HEXAMETHYLDISTANNANE

HEXAMETHYLDITIN

HEXAMETHYLDITIN(IV)

NSC-227328

HexaMethylditin, 99% 1GR

Hexamethyldistannane Bis(trimethyltin)

HexaMethylditin 99%

Hexamethylditin ,98.5%

Hexamethlyditin

Hexamethylditin,97%

Hexamethylditin,95%

Hexamethylditin,99%

((CH3)3Sn)2

1,1,1,2,2,2-Hexamethyldistannane

1,1,1,2,2,2-Hexamethyl-distannane

Distannane, hexamethyl-

hexamethyl-distannan

hexamethyldi-stannan

in, hexamethyldi-

Pennsalt TD 5032

pennsalttd5032

rimethyltin dimer

Stannane, hexamethyldi-

TD 5032

td-5032

Hexamethylditin&gt

Distannane, 1,1,1,2,2,2-hexamethyl-

Bis(trimethyltin)

Hexamethyldistannane ISO 9001：2015 REACH

661-69-8

CH36Sn2

CH33SnSnCH33

C6H18Sn2

Organoditins

Organotin

Organometallic Reagents

organotin compound

Organoditins

Organometallic Reagents

Organotin