Bis(tri-n-butyltin) oxide

三丁基氧化锡

Also known as: Bis(tri-n-butyltin) oxide, Bis(tributyltin) oxide, TBTO, Hexabutyldistannoxane, CAR-BAN(R), HBD, Distannoxane, 1,1,1,3,3,3-hexabutyl-, tributyl(tributylstannyloxy)stannane, Bis(tributyltin) oxide, BTO, MFCD00009418, EINECS 200-268-0

CAS No.
56-35-9
Jingsj CID
J-1402720-6
Molecular Formula
C24H54OSn2
Chinese Name
三丁基氧化锡
Molecular Weight
596.105 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-45°C
Boiling Point474.8±28.0 °C at 760 mmHg
Density1.17 g/mL at 25 °C(lit.)
Flash Point241.0±24.0 °C

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Bis(tri-n-butyltin) oxide?

56-35-9

What are the molecular formula and molecular weight of Bis(tri-n-butyltin) oxide?

C24H54OSn2, molecular weight 596.105 g/mol

Is Bis(tri-n-butyltin) oxide hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026