Agent Name

Paraquat methosulfate

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)

Insufficient data

TLV (ACGIH)

0.5 mg/m3, as the cation (0.1, respirable fraction, as the cation)

PEL (OSHA)

0.5 mg/m3, respirable dust

Explanatory Notes

See "2017 Notice of Intended Changes." [TLVs and BEIs]

Adverse Effects
Skin Sensitizer

Yes

Toxic Pneumonitis

Yes

Fibrogenic

Yes

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Reproductive Toxin

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: