Agent Name

Trichlorooctylstannane

Alternative Name

Mono-n-octyltin trichloride

CAS Number

3091-25-6

Formula

C8-H17-Cl3-Sn

Major Category

Metals

Synonyms

Mono-n-octyl-zinn-trichlorid [German]; Mono-n-octyltin trichloride; Octyltin trichloride; Octyltrichlorostannane; Stannane, octyltrichloro-; Stannane, trichlorooctyl-; Tin, octyl-, trichloride; Trichloro-n-octylstannane; n-Octyltin trichloride; n-Octyltrichlorostannane; [ChemIDplus] MOTC; MOTCl; Octyltrichlorotin; [OECD SIDS] n-Octyltrichlorotin; [Alfa Aesar MSDS]

Category

Tin Compounds, Organic

Description

Colorless liquid; [OECD SIDS] Pale yellow liquid; [Alfa Aesar MSDS]

Sources/Uses

Used as an intermediate for organotin compounds; The thioglycolate ester is used as a heat stabilizer for polyvinyl chloride (PVC) and chlorinated PVC (CPVC) with applications including indirect food contact products, sheets, injection mouldings, pipes, sidings, and other rigid PVC products; [OECD SIDS]

Comments

Reacts with water forming monooctyltin oxide and hydrogen chloride; Always produced as a mixture with dioctyltin dichloride (DOTC, CAS# 3542-36-7); [OECD SIDS] Reacts with water; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Alfa Aesar MSDS] See "Dichlorodioctylstannane."

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.1 mg/m3, as Sn

STEL (ACGIH)

0.2 mg/m3, as Sn

PEL (OSHA)

0.1 mg/m3, as Sn

MAK

0.1 mg/m3, inhalable fraction, as Sn

IDLH (NIOSH)

25 mg/m3, as Sn

Vapor Pressure

0.004 mm Hg

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
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