Bis(tributyltin) oxide

Name: Bis(tributyltin) oxide
Brand: Vaqora Chemicals
SKU: VQ-001116

About Bis(tributyltin) oxide

Vaqora Chemicals supplies Bis(tributyltin) oxide (Synthesis grade), an organometallic reagent registered under CAS number 56-35-9, specified at 96% purity. With the molecular formula C24H54OSn2, it has a molar mass of 596.1 g/mol. The IUPAC name is tributyl(tributylstannyloxy)stannane. It is also known as Bis[tri-n-butyltin(IV)]oxide or HBD.

It is supplied as a colourless to yellow liquid. Reported physical data include a density of 1.17 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for carbon–carbon bond formation, grignard and organometallic chemistry and organic synthesis. Buyers come mainly from academic and industrial research.

Available in 100 mL, 250 mL, 500 mL and 5 kg packs, Bis(tributyltin) oxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Carbon–carbon bond formation
Grignard & organometallic chemistry
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Bis(tributyltin) oxide
Catalogue No.	VQ-001116
CAS Number	56-35-9
IUPAC name	tributyl(tributylstannyloxy)stannane
Molecular formula	C₂₄H₅₄OSn₂
Molecular weight	596.1 g/mol
Exact mass	596.2213
Grade	Synthesis
Purity / assay	96%
HSN code	29310090
InChIKey	APQHKWPGGHMYKJ-UHFFFAOYSA-N
SMILES	CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC
PubChem CID	16682746

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow liquid
Density	1.17 g/mL at 25 °C
H-bond donors / acceptors	0 / 1
TPSA	9.2 Å²
UN number	UN 2788
Synonyms	Bis[tri-n-butyltin(IV)]oxide, HBD, Hexabutyldistannoxane, TBTO, Tributyltin(IV) oxide, Tributyltin oxide, Bis(tributyltin)oxide, Distannoxane, hexabutyl-, Bis(tri-n-butyltin) oxide, Stannicide A, Lastanox Q, Lastanox T

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H331Toxic if inhaled
H372Causes damage to organs through prolonged or repeated exposure
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P317, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 56-35-9

bis(Tributyltin) oxide, 96%

CAS: 56-35-9
Formula: C₂₄H₅₄OSn₂
MW: 596.1 g/mol

VQ-001117

Frequently asked questions

What is the CAS number of Bis(tributyltin) oxide?

The CAS Registry Number of Bis(tributyltin) oxide is 56-35-9. It is also known as Bis[tri-n-butyltin(IV)]oxide, HBD, Hexabutyldistannoxane.

What is the molecular formula and molecular weight of Bis(tributyltin) oxide?

Bis(tributyltin) oxide has the molecular formula C24H54OSn2 and a molecular weight of 596.1 g/mol. Its IUPAC name is tributyl(tributylstannyloxy)stannane.

Which grade and pack sizes of Bis(tributyltin) oxide can I order?

We supply Bis(tributyltin) oxide in Synthesis (96%) grade, in 100 mL, 250 mL, 500 mL, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Bis(tributyltin) oxide?

Yes. Every lot of Bis(tributyltin) oxide is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Bis(tributyltin) oxide be shipped internationally?

Yes. Bis(tributyltin) oxide is classified as hazardous (UN 2788), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.