Agent Name

Methyl selenac

CAS Number

144-34-3

Formula

C12-H24-N4-S8-Se

Major Category

Plastics & Rubber

Synonyms

Selenium dimethyldithiocarbamate; Selenium, tetrakis(dimethylcarbamodithioato-S)-, (T-4)-; Selenium, tetrakis(dimethyldithiocarbamato)-; Tatrakis(dimethyl carbamodithioato-S,S')selenium; Tetrakis(dimethylcarbamodithioato-S,S')selenium; Carbamodithioic acid, N,N-dimethyl-, tetraanhydrosulfide with orthothioselenious acid; [ChemIDplus] UN3283

Category

Dithiocarbamates (Rubber)

Description

Yellow solid; [HSDB] Yellow powder; [MSDSonline]

Sources/Uses

Used as a vulcanization accelerator; [HSDB]

Comments

Contains selenium, which is toxic; [Sax] May cause irritation; Inhalation of dust and ingestion may be harmful; [MSDSonline] As indicated by its synonym, selenium dimethyldithiocarbamate, methyl selenac is related to the dithiocarbamate fungicides. Several of the dialkyldithiocarbamates are known skin sensitizers; See "Carba mix." See "Maneb." See "Selenium."

Exposure Assessment
TLV (ACGIH)

0.2 mg/m3, as Se

PEL (OSHA)

0.2 mg/m3, as Se

IDLH (NIOSH)

1 mg/m3, as Se

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Selenium compound, solid, n.o.s."

Adverse Effects
IARC 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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Other Information

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