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Chemical Identification
Common Name
Propham
中文通用名
苯胺灵
IUPAC
isopropyl carbanilate
or
isopropyl phenylcarbamate
CAS
1-methylethyl phenylcarbamate
CAS No.
122-42-9
Molecular Formula
C10H13NO2
Molecular Structure
Category
Activity
Herbicide, plant growth regulator
Premix
Dust, flowable suspension, wettable powder. 
Premix Parters: copper oxychloride; copper oxychloride triadimefon; cymoxanil; cymoxanil triadimefon; iprovalicarb; oxadixyl; triadimefon;
Physical Properties
Molecular weight:179.2; Physical form:Colourless crystals. Density:1.09 (20 °C); Composition:Tech. grade is 99% pure. Melting point:87.0-87.6 °C; ( tech., 86.5-87.5 °C); Vapour pressure:Considerable at 85 °C (sublimes slowly at room temperature); Solubility:In water 250 mg/l (20 °C). Soluble in esters, alcohols, acetone, benzene, cyclohexane and xylene.; Stability:Stable up to 100 °C. Not sensitive to light. Hydrolysed slowly in acidic and alkaline media.
Toxicology
Tech (Rat): Oral LD50 >5000 mg/kg. Dermal LD50 >5000 mg/kg.
Environmental Profile
Ecotoxicology: 
Algae: EC50 (cell volume) for Chlorella fusca 111µmol/l (Pestic. Sci., 47, 337 (1996)).Bees:Not hazardous to bees when used as recommended.Birds:Acute oral LD50 for mallard ducks >2000 mg/ kg.Fish: LC50 (48 h) for bluegill sunfish 32, guppies 35 mg/l. 

Environmental fate: 
Animals:In mammals, the major metabolic route is N-oxidation to hydroxy-IPC.Soil:In soil, readily degraded by micro-organisms, with enzymic hydrolysis of the ester bond and degradation of the unstable N-phenylcarbamic acid to aniline and CO2, with further microbial degradation of aniline. DT50N-2-hydroxycarbanilate, which is found as water-soluble conjugates of glucose or other plant components. WATER SOLUBILITY: 0.25 g/l at 20°C
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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