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2274-67-1

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Basic Information
CAS No.: 2274-67-1
Name: Dimethylvinphos
Molecular Structure:
Molecular Structure of 2274-67-1 (Dimethylvinphos)
Formula: C10H10Cl3O4P
Molecular Weight: 331.5168
Synonyms: Phosphoricacid, 2-chloro-1-(2,4-dichlorophenyl)vinyl dimethyl ester (7CI,8CI);Benzylalcohol, 2,4-dichloro-a-(chloromethylene)-, dimethyl phosphate (8CI);2-Chloro-1-(2,4-dichlorophenyl)vinyl dimethyl phosphate;Dimethyl-1-(2,4-dichlorophenyl)-2-chlorovinylphosphate;Dimethylvinfos;IPO 10;O,O-Dimethyl O-2-chloro-1-(2',4'-dichlorophenyl)-vinylphosphate;OMS 712;Rangado;SD 8280;Shell SD 8280;
Density: 1.448 g/cm3
Melting Point: 69.5 °C
Boiling Point: 368.6 °C at 760 mmHg
Flash Point: 262.8 °C
Solubility: 130 mg l-1(20 °C)
Appearance: Pale white crystalline solid
Hazard Symbols: T,N
Risk Codes: 25-50/53
Safety: 45-60-61
PSA: 54.57000
LogP: 4.94810
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Specification

The Dimethylvinphos is an organic compound with the formula C10H10Cl3O4P. The IUPAC name of this chemical is [(Z)-2-chloro-1-(2,4-dichlorophenyl)ethenyl] dimethyl phosphate. With the CAS registry number 2274-67-1, it is also named as Chlorfenvinphos-methyl.

Physical properties about Dimethylvinphos are: (1)ACD/LogP: 3.45; (2)ACD/LogD (pH 5.5): 3.45; (3)ACD/LogD (pH 7.4): 3.45; (4)ACD/BCF (pH 5.5): 246.89; (5)ACD/BCF (pH 7.4): 246.89; (6)ACD/KOC (pH 5.5): 1795.4; (7)ACD/KOC (pH 7.4): 1795.4; (8)#H bond acceptors: 4; (9)#Freely Rotating Bonds: 5; (10)Polar Surface Area: 54.57 Å2; (11)Index of Refraction: 1.543; (12)Molar Refractivity: 72.16 cm3; (13)Molar Volume: 228.7 cm3; (14)Polarizability: 28.6×10-24cm3; (15)Surface Tension: 44.7 dyne/cm; (16)Density: 1.448 g/cm3; (17)Flash Point: 262.8 °C; (18)Enthalpy of Vaporization: 59.11 kJ/mol; (19)Boiling Point: 368.6 °C at 760 mmHg; (20)Vapour Pressure: 2.67E-05 mmHg at 25°C.

Uses of Dimethylvinphos: it can be used to produce phosphoric acid 2-chloro-1-(2,4-dichloro-phenyl)-vinyl ester methyl ester by heating. It will need reagent sodium bromide, catalyst benzyltriethylammonium chloride and solvent acetonitrile with reaction time of 17 hours. The yield is about 75%.

Dimethylvinphos can be used to produce phosphoric acid 2-chloro-1-(2,4-dichloro-phenyl)-vinyl ester methyl ester

You can still convert the following datas into molecular structure:
(1)SMILES: Clc1cc(Cl)ccc1C(OP(=O)(OC)OC)=[C@H]Cl
(2)InChI: InChI=1/C10H10Cl3O4P/c1-15-18(14,16-2)17-10(6-11)8-4-3-7(12)5-9(8)13/h3-6H,1-2H3/b10-6-
(3)InChIKey: QSGNQELHULIMSJ-POHAHGREBL
(4)Std. InChI: InChI=1S/C10H10Cl3O4P/c1-15-18(14,16-2)17-10(6-11)8-4-3-7(12)5-9(8)13/h3-6H,1-2H3/b10-6-
(5)Std. InChIKey: QSGNQELHULIMSJ-POHAHGRESA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
chicken LD50 oral 106mg/kg (106mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA		 Journal of Economic Entomology. Vol. 64, Pg. 814, 1971.
mouse LD50 oral 167mg/kg (167mg/kg)   Journal of Economic Entomology. Vol. 65, Pg. 632, 1972.
quail LD50 oral 164mg/kg (164mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA		 Journal of Economic Entomology. Vol. 64, Pg. 814, 1971.
rat LD50 oral 97500ug/kg (97.5mg/kg)   Bromatologia i Chemia Toksykologiczna. Vol. 9, Pg. 283, 1976.