Agent Name

Zinc dialkyldithiophosphates

CAS Number

68649-42-3

Formula

Unspecified

Major Category

Metals

Synonyms

Dialkyl(C1-C14)dithiophosphoric acid, zinc salt; Phosphorodithioic acid, O,O-di-C1-14-alkyl esters, zinc salts; [ChemIDplus] ZnDTPs; [Ulllmann]

Category

Organic Compounds, Metal Salts

Description

Straw yellow to green solid or liquid with a sweet odor like alcohol; [CAMEO] Clear amber liquid; [MSDSonline]

Sources/Uses

Used as additive to lubricating oil for corrosion and wear resistance; [Hawley] Used as fuel additive and corrosion inhibitor in automotive and industrial lubricants; [IUCLID] Used in engine oils, shock-absorber oils, and hydraulic fluids; [Ullmann]

Comments

A mild skin and strong eye irritant; "Not a specific compound (alkyl refers to any of a series of organic substituents such as butyl or hexyl)." [CAMEO] A skin and eye irritant, based on animal studies; [IUCLID] See "Zinc bis(O,O-bis(2-ethylhexyl)) bis(dithiophosphate)."

Exposure Assessment
Lethal Concentration

LC50 (rat) > 5,000 mg/m3

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Other Information

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