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Paraquat dichloride

CAS 1910-42-5C12H14N2.2ClMW 257.16

Paraquat dichloride (CAS No. 1910-42-5) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Inorganic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number1910-42-5
Molecular FormulaC12H14N2.2Cl
Molecular Weight257.16
Melting PointDecomposes 572 °F (EPA, 1998)
LogP-4.5
Purity按批次COA提供(不公开发布)
Packaging按订单/批次确认(不公开发布)
ApplicationsInorganic Chemicals
CategoryInorganic Chemicals

Where it is used

Inorganic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)
Purity按批次COA提供(不公开发布)
StorageSealed, cool and dry place
Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of Paraquat dichloride?

The CAS number of Paraquat dichloride is 1910-42-5.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of Paraquat dichloride?

Main applications include Inorganic Chemicals.

How do I buy Paraquat dichloride or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

Paraquat dichloride · CAS 1910-42-5 · C12H14N2.2Cl. UNII 2KZ83GSS73. Melting Point: Decomposes 572 °F (EPA, 1998); Density: 1.24 g/cm³; Density: 1.24.

Identification

CAS Registry Number1910-42-5
PubChem CID15938
Molecular formulaC12H14N2.2Cl
IUPAC name1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium dichloride
UNII (FDA)2KZ83GSS73

Computed Descriptors

Molecular Weight257.16
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass256.0534038
Monoisotopic Mass256.0534038
Topological Polar Surface Area7.8
Heavy Atom Count16
Formal Charge0
Complexity145

Physical & Chemical Properties

Melting PointDecomposes 572 °F (EPA, 1998)
Density1.24 g/cm³
Density1.24
Vapor PressureApproximately 0 (EPA, 1998)
Vapor Pressure0.0000001 [mmHg]
Vapor Pressure<0.0000001 mmHg
LogP-4.5
Decomposition300 °C

Physical description & handling notes

  • Paraquat dichloride is a colorless to yellow crystalline solid. Used as a contact herbicide and desiccant. (EPA, 1998)
  • Yellow solid with a faint, ammonia-like odor. [herbicide] [Note: Paraquat may also be found commercially as a methyl sulfate salt C12H14N2+2CH3SO4.]; [NIOSH]
  • COLOURLESS HYGROSCOPIC CRYSTALS.
  • [herbicide] [Note: Paraquat may also be found commercially as a methyl sulfate
  • Decomposes (NIOSH, 2024)
  • decomposes

GHS Hazard Classification

Reported hazard statementsH301, H311, H315, H319, H330, H335, H372, H400

H301: Toxic if swallowed [Danger Acute toxicity, oral]

H311: Toxic in contact with skin [Danger Acute toxicity, dermal]

Documented Uses

  • Used as a contact herbicide on weeds; [EXTOXNET] Used in animal experiments as a model of Parkinson's syndrome at doses several orders of magnitude greater than occupational exposure levels; [PMID 16217247]
  • Paraquat is used as a quaternary ammonium herbicide; one of the most widely used herbicides in the world. It is also often used in science to catalyze the formation of reactive oxygen species (ROS). (L421).
  • Paraquat is poorly absorbed after oral exposure. It is not metabolized but is reduced to an unstable free radical which is then re-oxidized to reform the cation and produce a superoxide anion. It is excreted moslty in the urine,and in small fraction also in the feces (A606, L1008).
  • Animal studies: less than 6 hours; other animal studies have found measurable paraquat 26 days after ingestion; [TDR, p. 991]

Synonyms

Paraquat dichloride; 1910-42-5; Methyl viologen; Methyl viologen dichloride; Pathclear; Pillarxone; Crisquat; Dexuron; Gramixel; Gramuron; Esgram; Toxer total; 1,1'-Dimethyl-4,4'-bipyridinium dichloride; Ortho paraquat cl; Paraquat-dichloride; Cekuquat

Frequently Asked Questions

What are the CAS number and molecular formula of Paraquat dichloride?

CAS 1910-42-5; molecular formula C12H14N2.2Cl; molecular weight — g/mol.

What other names is Paraquat dichloride known by?

Paraquat dichloride, 1910-42-5, Methyl viologen, Methyl viologen dichloride, Pathclear, Pillarxone.

Is Paraquat dichloride classified as hazardous?

Hazard statements reported: H301, H311, H315, H319, H330.

What are the key physical properties of Paraquat dichloride?

Melting Point: Decomposes 572 °F (EPA, 1998); Density: 1.24 g/cm³; Density: 1.24; Vapor Pressure: Approximately 0 (EPA, 1998).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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