Paraquat

百草枯

Also known as: Grammoxone, Methyl viologen dication, 1,1'-dimethyl-4,4'-bipyridinium, 1,1'-dimethyl-4,4'-bipyridinium ion, 1,1'-dimethyl-[4,4'-bipyridine]-1,1'-diium, Paraquat ion, Paraquat dication, Pectone, Prelude, Pillarzone, dimethyl viologen, methyl viologen

Paraquat (CAS 4685-14-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H14N2++ and a molecular weight of 186.25300 g/mol. It is also known as Grammoxone, Methyl viologen dication and 1,1'-dimethyl-4,4'-bipyridinium. Key properties include a boiling point of 310.75°C (rough estimate) and a density of 0.9748 (rough estimate). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4685-14-7
Jingsj CID: J-1403447-3
Molecular Formula: C₁₂H₁₄N₂
Chinese Name: 百草枯
Molecular Weight: 186.25300 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	310.75°C (rough estimate)
Density	0.9748 (rough estimate)
Exact Mass	186.11600
PSA	7.76000
LogP	1.00260
Refractive Index	1.5600 (estimate)

Customs & Trade Information

HS Code	3808931100

Frequently Asked Questions

What is the CAS number of Paraquat?

The CAS number of Paraquat is 4685-14-7.

What are the molecular formula and molecular weight of Paraquat?

Paraquat has molecular formula C12H14N2++ and molecular weight 186.25300 g/mol.

What are the upstream and downstream products of Paraquat?

For Paraquat, Downstream Products: Benzopinacole, Formaldehyde, Carbon dioxide.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Paraquat (CAS 4685-14-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403447-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.