Pyridaben

Description

Pyridaben · CAS 96489-71-3 · C19H25ClN2OS. UNII 2E4JBA5272. Melting Point: 111-112 °C; Solubility: In water, 0.012 mg/l @ 24 °C; Density: 1.2 @ 20 °C.

Identification

CAS Registry Number	96489-71-3
PubChem CID	91754
Molecular formula	C19H25ClN2OS
IUPAC name	2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one
UNII (FDA)	2E4JBA5272

Computed Descriptors

Molecular Weight	364.9
XLogP3	5.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	5
Exact Mass	364.1376123
Monoisotopic Mass	364.1376123
Topological Polar Surface Area	58
Heavy Atom Count	24
Formal Charge	0

Physical & Chemical Properties

Melting Point	111-112 °C
Solubility	In water, 0.012 mg/l @ 24 °C
Density	1.2 @ 20 °C
Vapor Pressure	0.00000118 [mmHg]
Vapor Pressure	1.18X10-6 mm Hg @ 20 °C

Physical description & handling notes

• White odorless solid; [Merck Index] Colorless odorless solid; [HSDB]
• Colorless crystals
• Odorless
• In organic solvents (g/l @ 20 °C): acetone 460, ethanol 57, hexane 10, benzene 110, xylene 390, cyclohexane 320, n-octanol 63.
• log Kow = 6.37 @ 23 °C, distilled water
• Stable at 50 °C for 90 days; at pH 4, pH 7, & pH 9, in organic solvents; unstable to light.

GHS Hazard Classification

Reported hazard statements	H301, H331, H400, H410, H336, H370, H302, H371

Documented Uses

• Used as insecticide and acaricide to protect field crops, fruit trees, and vegetables; [HSDB]
• Control of Acari, Aleyrodidae, Aphididae, Cicadellidae, and Thysanoptera on field crops, fruit trees, ornamentals, and vegetables.
• Pyramite is a selective contact miticide/insecticide that controls pests in apple, grapes, pear, pistachio, stone fruits, and the tree nuts group... . /Pyramite/
• This is a man-made compound that is used as an insecticide effective against thrips, mites, aphids and leafhoppers.
• JP Kokai 85 4173; M. Taniguchi et al, US 4877787 (1985, 1989, both to Nissan)
• Rapid knock-down and long residual activity. Has activity against all developing stages, especially against the larval and nymph stages.

Synonyms

Pyridaben; 96489-71-3; Sanmite; NCI 129; DTXSID5032573; 2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one; 2-tert-Butyl-5-(4-tert-butyl-benzylthio)-4-chloropyridazin-3(2H)-one; 2E4JBA5272; GWN 1715; 4-chloro-2-(1,1-dimethylethyl)-5-(((4-(1,1-dimethylethyl)phenyl)methyl)thio)-3(2H)-pyridazinone; 2-tert-Butyl-5-(4-tert-Butylbenzylthio)-4-chloropyridazin-3(2H)-one; DTXCID3012573; CHEBI:38626; 3(2H)-Pyridazinone, 4-chloro-2-(1,1-dimethylethyl)-5-(((4-(1,1-dimethylethyl)phenyl)methyl)thio)-; 2-tert-butyl-5-[(4-tert-butylbenzyl)thio]-4-chloropyridazin-3(2H)-one; 2-tert-butyl-5-((4-tert-butylbenzyl)thio)-4-chloropyridazin-3(2H)-one

Frequently Asked Questions

What are the CAS number and molecular formula of Pyridaben?

CAS 96489-71-3; molecular formula C19H25ClN2OS; molecular weight — g/mol.

What other names is Pyridaben known by?

Pyridaben, 96489-71-3, Sanmite, NCI 129, DTXSID5032573, 2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one.

Is Pyridaben classified as hazardous?

Hazard statements reported: H301, H331, H400, H410, H336.

What are the key physical properties of Pyridaben?

Melting Point: 111-112 °C; Solubility: In water, 0.012 mg/l @ 24 °C; Density: 1.2 @ 20 °C; Vapor Pressure: 0.00000118 [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.