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Chemical Identification
Common Name
1,3-dichloropropene
中文通用名
1,3-二氯丙烯
IUPAC
(EZ)-1,3-dichloropropene
CAS
1,3-dichloro-1-propene
CAS No.
542-75-6
Molecular Formula
C3H4Cl2
Molecular Structure
Category
Activity
Fumigant
Premix
Premix Parters: bentazone; bentazone ioxynil; bentazone MCPA; 2,4-D; dicamba MCPA; ioxynil;MCPA; MCPA mecoprop-P; MCPA triclopyr.
Physical Properties
Molecular weight:111.0g/mol. Physical form:Colourless-to-amber liquid with a sweet penetrating odour;. Density:1.214 (20℃); (E)- isomer 1.224; (Z)- isomer 1.217; Composition:Tech. product is 97-98% pure. It is a mixture of approximately equal quantities of (E)- and (Z)- isomers.?Specific gravity: 1.211 (25℃). Melting point:<-50℃; Boiling point: 104℃;Flash point:25℃ (Abel closed cup); Vapour pressure:3.7 ; (E)- isomer 2.3 ; (Z)- isomer 3.5 (all at 20℃); Partition coefficient(n-octanol and water):logP = 1.82 (20 ℃); (E)- isomer logP = 2.03; (Z)- isomer logP = 2.06 (both 25℃); Solubility:In water 2 g/l (20℃); (E)- isomer 2.32, (Z)- isomer 2.18 (both in g/l, 25 ℃). Miscible with hydrocarbons, halogenated solvents, esters, and ketones.; Stability:Stable under normal conditions. 50 11.3 d ( 5-9, 20 ℃). DD-92* soluble in hydrocarbon, halogenated solvents, esters, ketones.
Toxicology
(Rat): Oral LD50 127 mg/kg; Dermal LD50 423 mg/kg. Severely irritating to skin, eyes, upper respiratory tract. Telone*: Oral LD50 224 mg/kg (female); 300 mg/kg (male). Inhalation LC50 904 mg/kg(female); 855-1035 mg/kg?(male). (Rabbit): Dermal LD50 333 mg/kg.
Environmental Profile
Ecotoxicology:
Algae: Slightly toxic.Bees:50 (90 h) 6.6 μg/bee.Birds:50 for bobwhite quail 152 /kg. Dietary 50 (5 d) for mallard ducks and bobwhite quail >10,000 mg/kg diet.Daphnia:50 (48 h) 6.2 mg/l. Fish:50 (96 h) for rainbow trout 3.9, bluegill sunfish 7.1 mg/l.Worms:Initially toxic to earthworms; not persistent, therefore re-colonisation is very quick.Other aquatic spp.:Moderate acute toxicity.
Environmental fate:
Animals: Excretion in rats occurred primarily as the mercapturic acid conjugate and its corresponding sulfoxide. Soil:Non-persistent in soil, undergoing hydrolysis to the corresponding 3-chloroallyl alcohols (C. E. Castro & N. O. Belser, J. Agric. Food Chem., 1966, 14, 69).
WATER SOLUBILITY: 0.1%.
Transport Information
Hazard Class:O (Obsolete as pesticide, not classified)

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