Tributyltin Oxide

C₂₄H₅₄OSn₂

IUPAC: Bis(tributyltin) oxide

CAS: 56-35-9

Overview

TBTO was the most effective antifouling paint additive for ship hulls until it was banned by the IMO in 2008 due to devastating effects on marine organisms.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 54 1.0080
Carbon C 24 12.0110
Oxygen O 1 15.9990
Tin Sn 2 118.7100

Elemental Composition

H
Hydrogen ×54
9.1%
C
Carbon ×24
48.4%
O
Oxygen ×1
2.7%
Sn
Tin ×2
39.8%

Uses

  • • Historical antifouling paint
  • • Wood preservative
  • • Biocide

Fun Facts

  • ✦ Caused female sea snails to develop male organs (imposex), leading to an international ban

Safety

  • ⚠ Extremely toxic to marine life
  • ⚠ Endocrine disruptor
  • ⚠ Causes imposex in snails

Structure

SMILES

CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC

Properties

Type
organic
State
liquid
Molar Mass
596.07 g/mol
Density
1.1700 g/cm³
Melting Point
-45.0 °C
Solubility
insoluble

Molecular Descriptors

Exact Mass
596.2213
TPSA
9.2 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
20
Heavy Atoms
27
Complexity
246.0

Related Compounds

1,2-Dichloroethane

C₂H₄Cl₂

1,3-Butadiene

C₄H₆

1,4-Dioxane

C₄H₈O₂

1-Butanol

C₄H₁₀O

2-Propanol

C₃H₈O

Acetaldehyde

CH₃CHO

Acetamide

C₂H₅NO

Acetic Anhydride

C₄H₆O₃

Acetone

(CH₃)₂CO

Acetonitrile

C₂H₃N

Frequently Asked Questions

What is Tributyltin Oxide?
Tributyltin Oxide (C₂₄H₅₄OSn₂) is a organic compound with the IUPAC name Bis(tributyltin) oxide.
What is the molecular weight of Tributyltin Oxide?
Tributyltin Oxide has a molar mass of 596.07 g/mol.
What state is Tributyltin Oxide at room temperature?
Tributyltin Oxide is a liquid at room temperature.
Is Tributyltin Oxide organic or inorganic?
Tributyltin Oxide is classified as an organic compound.
What elements make up Tributyltin Oxide?
Tributyltin Oxide (C₂₄H₅₄OSn₂) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Tin (Sn).