diethofencarb

95% 90%tech, 36%sl

Fungicide

FRAC  10; N-phenyl carbamate

NOMENCLATURE

Common name diethofencarb (BSI, draft E-ISO); diéthofencarb ((m) draft F-ISO)

IUPAC name isopropyl 3,4-diethoxycarbanilate 

Chemical Abstracts name 1-methylethyl (3,4-diethoxyphenyl)carbamate 

CAS RN [87130-20-9]  Development codes S-1605 (Sumitomo) 

PHYSICAL CHEMISTRY

Mol. wt. 267.3  M.f. C14H21NO4  Form White, crystalline solid; (tech. is a colourless to light brown solid).  M.p. 100.3 ºC  V.p. 8.4 mPa (20 ºC)  KOW logP = 3.02 (25 ºC)  Henry 8.44 ´ 10-2 Pa m3 mol-1 (calc.)  S.g./density 1.19 (23 ºC)  Solubility In water 26.6 mg/l (20 ºC). In hexane 1.3, methanol 101, xylene 30 (all in g/kg, 20 ºC).  F.p. 140 °C 

APPLICATIONS

Mode of action Systemic fungicide with protective and curative action. Readily absorbed though the leaves and roots, and translocated throughout the plant. Inhibits mitosis in grey mould germ tubes.  Uses Control of benzimidazole-resistant strains of Botrytis spp. on vines, cucumbers, aubergines, tomatoes, strawberries, citrus fruit, lettuce, onions, and beans. Has secondary activity against powdery mildews (Cercospora, Venturia).  Formulation types WP. 

product name	diethofencarb 95% tc	diethofencarb 90% tc	Diethofencarb 36%sl
a.i. content	95.3%	90.1%
moisture	0.5%	0.5%
acidity	0.2%	0.25%
insolubles in acetone	0.5%	0.25%