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Description

6,7-dihydrodipyrido[1,2-a:2',1'-c]pyrazinediylium · CAS 2764-72-9 · C12H12N2+2. UNII A9A615U4MP. Density: 1.22-1.27; Vapor Pressure: <0.000010 mmHg.

Identification

CAS Registry Number	2764-72-9
PubChem CID	6795
Molecular formula	C12H12N2+2
IUPAC name	7,10-diazoniatricyclo[8.4.0.02,7]tetradeca-1(14),2,4,6,10,12-hexaene
UNII (FDA)	A9A615U4MP

Computed Descriptors

Molecular Weight	184.24
XLogP3	1.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	184.100048391
Monoisotopic Mass	184.100048391
Topological Polar Surface Area	7.8
Heavy Atom Count	14
Formal Charge	2

Physical & Chemical Properties

Density	1.22-1.27
Vapor Pressure	<0.000010 mmHg

Physical description & handling notes

• Dibromide salt: Yellow crystals. Commercial product may be found in a liquid concentrate or a solution. [NIOSH]
• Yellow crystalline solid dissolved in a liquid carrier.
• Decomposes (NIOSH, 2024)
• less than 608 °F (decomposes) (NTP, 1992)
• <608 °F (decomposes)
• greater than or equal to 100 mg/mL at 68 °F (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTIMICROBIAL AGENT

GHS Hazard Classification

Reported hazard statements	H302 (100%), H315 (100%), H317 (100%), H319 (100%), H330 (100%), H335 (100%), H372 (100%), H400 (100%)

Documented Uses

• Herbicides that remove leaves from trees and growing plants. They may be either organic or inorganic. Several of the more persistent types have been used in military operations and many are toxic. (From Hawley&apos;s Condensed Chemical Dictionary, 11th ed)

Synonyms

DIQUAT; Diquat dication; 2764-72-9; 9,10-Dihydro-8a,10a-diazoniaphenanthrene; 1,1'-Ethylene-2,2'-bipyridylium ion; 1,1'-Ethylene-2,2'-bipyridyldylium ion; A9A615U4MP; 6,7-Dihydrodipyrido(1,2-a:2',1'-c)pyrazinediium; Dipyrido(1,2-a:2',1'-c)pyrazinediium, 6,7-dihydro-; DTXSID6034554; CHEBI:64163; 6,7-dihydrodipyrido[1,2-a:2',1'-c]pyrazinediium; 1,1'-Ethylene-2,2'-dipyridylium dibromide; RefChem:134889; DTXCID4014554; 9,10-DIHYDRO-8A,10,-DIAZONIAPHENANTHRENE DIBROMIDE

Frequently Asked Questions

What are the CAS number and molecular formula of 6,7-dihydrodipyrido[1,2-a:2',1'-c]pyrazinediylium?

CAS 2764-72-9; molecular formula C12H12N2+2; molecular weight — g/mol.

What other names is 6,7-dihydrodipyrido[1,2-a:2',1'-c]pyrazinediylium known by?

DIQUAT, Diquat dication, 2764-72-9, 9,10-Dihydro-8a,10a-diazoniaphenanthrene, 1,1'-Ethylene-2,2'-bipyridylium ion, 1,1'-Ethylene-2,2'-bipyridyldylium ion.

What is the regulatory status of 6,7-dihydrodipyrido[1,2-a:2',1'-c]pyrazinediylium?

Documented regulatory listings: FDA Substance added to food: ANTIMICROBIAL AGENT.

Is 6,7-dihydrodipyrido[1,2-a:2',1'-c]pyrazinediylium classified as hazardous?

Hazard statements reported: H302, H315, H317, H319, H330.

What are the key physical properties of 6,7-dihydrodipyrido[1,2-a:2',1'-c]pyrazinediylium?

Density: 1.22-1.27; Vapor Pressure: <0.000010 mmHg.

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.