Agent Name

Dibutyltin dilaurate

CAS Number

77-58-7

Formula

C32-H64-O4-Sn

Major Category

Metals

Synonyms

Bis(lauroyloxy)di(n-butyl)stannane; Butynorate; Cata-Chek 820; DBTL; DXR 81; Davainex; Di-n-butyltin dilaurate; Dibutyl-tin-dilaurate; Dibutyl-zinn-dilaurat [German]; Dibutylbis(laurato)tin; Dibutylbis(lauroxy)stannane; Dibutylbis(lauroyloxy)tin; Dibutylstannium dilaurate; Dibutylstannylene dilaurate; Dibutyltin didodecanoate; Dibutyltin laurate; Dibutyltin n-dodecanoate; Fomrez sul-4; KS 20; Kosmos 19; Lankromark LT 173; Laudran di-n-butylcinicity [Czech]; Lauric acid, dibutylstannylene deriv.; Lauric acid, dibutylstannylene salt; Lauric acid, dibutyltin deriv.; Laustan-B; Mark 1038; Mark BT 11; Mark BT 18; Neostann U 100; Ongrostab BLTM; SM 2014C; Stabilizer D-22; Stanclere DBTL; Stannane, bis(dodecanoyloxy) di-n-butyl-; Stannane, bis(dodecanoyloxy)di-n-butyl; Stannane, bis(lauroyloxy)dibutyl-; Stannane, dibutylbis((1-oxododecyl)oxy)-; Stannane, dibutylbis(lauroyloxy)-; Stavincor 1200 SN; Stavinor 1200 SN; T 12; T 12 (VAN); T 12 (catalyst); TN 12; TN 12 (catalyst); TVS Tin Lau; TVS-TL 700; Therm chek 820; Thermolite T 12; Tin dibutyl dilaurate; Tin, di-n-butyl-, di(dodecanoate); Tin, dibutylbis(lauroyloxy)-; Tinostat; [ChemIDplus] UN2788 (liquid); UN3146 (solid);

Category

Tin Compounds, Organic

Description

Soft solid or yellow liquid; mp = 22-24 deg C; [Merck Index] Yellow oily liquid or waxy solid; [ICSC] Yellow viscous liquid; [MSDSonline]

Sources/Uses

Used as a stabilizer (polyvinyl chloride resins, vinyl resins, lacquers, and elastomers), a catalyst for urethane and silicones, and a drug (anthelmintic and coccidiostat); [HSDB]

Comments

An eye irritant; May cause injury to the liver, kidneys, and GI tract; [ICSC] Liver enzymes were elevated in rabbits fed 15-40 mg/kg for 6 weeks; Calves died with tremors, convulsions, weakness, and diarrhea after dibutyltin dilaurate was accidentally added to feed; Oral LD50 (rat) = 175 mg/kg (oil solution); [HSDB] A skin irritant; [CAMEO] An irritant; Can be absorbed through skin; [MSDSonline] See "Tin, organic compounds."

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

0.02 mg/m3, inhalable fraction, as Sn

IDLH (NIOSH)

25 mg/m3, as Sn

Vapor Pressure

3.0E-10 mm Hg

Lethal Concentration

LC50 (rat) = 150 mg/m3/2h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Organotin compound, liquid, n.o.s." Organic tin compounds have a "skin" designation and are classified as "A4" (Not classifiable as human carcinogen); [ACGIH]

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Hepatotoxin

Hepatotoxin, Secondary

ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: