Agent Name

Paraquat methosulfate

Alternative Name

Paraquat dimethyl sulfate

CAS Number

2074-50-2

Formula

C12-H14-N2.2C-H3-O4-S

Major Category

Pesticides

Synonyms

1',1'-Dimethyl-4,4'-dipyridinium di(methyl sulfate); 1,1'-Dimethyl-4,4'-bipyridinium bis(methyl sulfate); 1,1'-Dimethyl-4,4'-bipyridynium dimethylsulfate; Gramoxone methyl sulfate; PP 910; Paraquat I; Paraquat bis(methyl sulfate); Paraquat dimethyl sulfate; Paraquat dimethyl sulphate; Paraquat dimethylsulfate; Paraquat dimetilsulfate; Paraquat methylsulfate; 4,4'-Bipyridinium, 1,1'-dimethyl-, bis(methyl sulfate); [ChemIDplus]

Category

Herbicides, Bipyridyl

Description

White crystalline solid or yellow solid; [CAMEO]

Sources/Uses

Used as a contact herbicide and desiccant; [CAMEO]

Comments

Toxic by inhalation, ingestion, and skin absorption; A skin, eye, and respiratory tract irritant; [eChemPortal: ESIS] May cause injury to the kidneys and liver; [CAMEO] See "Paraquat dichloride" and "Paraquat."

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.05 mg/m3, inhalable particulate matter, as the cation

PEL (OSHA)

0.5 mg/m3, respirable dust

Adverse Effects
Toxic Pneumonitis

Yes

Fibrogenic

Yes

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Dermatotoxin

Skin Burns

ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: