Imazaquin

Description

Imazaquin acid · CAS 81335-37-7 · C17H17N3O3. UNII 8LZY7C31XA. Melting Point: 219-222 °C (decomposition); Solubility: Sol in water @ 25 °C: 60-120 ppm; Vapor Pressure: <0.013 mPa @ 60 °C.

Identification

CAS Registry Number	81335-37-7
PubChem CID	54739
Molecular formula	C17H17N3O3
IUPAC name	2-(4-methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)quinoline-3-carboxylic acid
UNII (FDA)	8LZY7C31XA

Computed Descriptors

Molecular Weight	311.33
XLogP3	2.5
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	3
Exact Mass	311.12699141
Monoisotopic Mass	311.12699141
Topological Polar Surface Area	91.7
Heavy Atom Count	23
Formal Charge	0

Physical & Chemical Properties

Melting Point	219-222 °C (decomposition)
Solubility	Sol in water @ 25 °C: 60-120 ppm
Vapor Pressure	<0.013 mPa @ 60 °C
LogP	1.29

Physical description & handling notes

• Colorless or tan solid; Technical product: Odorless white solid; [HSDB] Yellowish grey solid; [EFSA]
• Colorless solid
• Tan solid
• Crystals from hexane + ethyl acetate
• Slightly pungent
• Sol in water /Imazaquin ammonium salt/

GHS Hazard Classification

Reported hazard statements	H312 (22.1%), H400 (69.5%), H410 (69.5%)

Documented Uses

• Used as pre and post-emergence herbicide for soybeans, ornamentals, and turf; [Reference #1] Used in the EU in combination with chlormequat chloride (CAS# 999-81-5) as plant growth regulator for winter wheat and winter barley; [EFSA]
• /Controls/ dicotyledonous and graminaceous weeds and sedges, controlling weeds in soyabeans at 70-250 g ai/hectare, and shows promise in cowpeas and tobacco.
• Control of many broad leaved weeds in soya beans. Also controls or reduces competition from grasses and sedges. Applied either pre- or post-emergence.
• Herbicides, Plant growth regulators
• Pre- and post-emergence imidazolinone herbicide.
• Following oral administration, almost all was excreted in the urine as the unchanged compound within 2 days. No accumulation in blood or tissues.

Synonyms

IMAZAQUIN; 81335-37-7; Scepter Herbicide; Imazaquine; Scepter; DTXSID3024152; AC 252214; 8LZY7C31XA; 2-(5-Isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)-3-quinolinecarboxylic acid; 3-Quinolinecarboxylic acid, 2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)-; 2-(4,5-Dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)-3-quinolinecarboxylic acid; IMAGE (PESTICIDE); 2-(4-isopropyl-4-methyl-5-oxo-1H-imidazol-2-yl)quinoline-3-carboxylic acid; CHEBI:5869; DTXCID904152; 2-(4-Isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)quinoline-3-carboxylic acid

Frequently Asked Questions

What are the CAS number and molecular formula of Imazaquin acid?

CAS 81335-37-7; molecular formula C17H17N3O3; molecular weight — g/mol.

What other names is Imazaquin acid known by?

IMAZAQUIN, 81335-37-7, Scepter Herbicide, Imazaquine, Scepter, DTXSID3024152.

Is Imazaquin acid classified as hazardous?

Hazard statements reported: H312, H400, H410.

What are the key physical properties of Imazaquin acid?

Melting Point: 219-222 °C (decomposition); Solubility: Sol in water @ 25 °C: 60-120 ppm; Vapor Pressure: <0.013 mPa @ 60 °C; LogP: 1.29.

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.