Chlorpyrifos
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Post Date:
Dec 03,2016
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Expiry Date:
Jan 02,2017
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Detailed Description:
Cas No. :2921-88-2
Quantity: 500Metric Tons
Specs:Chlorpyrifos95%TC，Chlorpyrifos48%ec，
Price:00.00 USD Metric Tons
Common name chlorpyrifos (BSI, E-
ISO, ANSI, ESA, BAN);
chlorpyriphos ((m) F-ISO, JMAF);
chlorpyriphos-閠hyl ((m) France)
IUPAC name O,O-diethyl O-3,5,6-
trichloro-2-pyridyl
phosphorothioate
Composition Tech. is ≥97%.
Mol. wt. 350.6 M.f. C9H11Cl3NO3PS
Form Colourless crystals, with a
mild mercaptan odour. M.p. 42-
43.5 癈 B.p. >400 癈 V.p. 2.7 mPa
(25 癈) Kow logP = 4.7 Henry 6.76
10-1 Pa m3 mol-1 (calc.)
S.g./density 1.44 (20 癈)
Solubility In water c. 1.4 mg/l
(25 癈). In benzene 7900, acetone
6500, chloroform 6300, carbon
disulfide 5900, diethyl ether
5100, xylene 5000, iso-octanol
790, methanol 450 (all in g/kg,
25 癈). Stability Rate of
hydrolysis increases with pH, and
in the presence of copper and
possibly of other metals that can
form chelates; DT50 1.5 d (water,
pH 8, 25 癈) to 100 d (phosphate
buffer, pH 7, 15 癈).
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CAS Registry Number:
2921-88-2
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Synonyms:
;O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate;ANSI;ISO;BSI;Dowco179;ENT27311;O,O-diethyl-O-(3,5,6-trichloro-2-pyridyl)phos-phorothioate;Clorpyrifos;Phosphorothioic acid O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) ester;Chlorpyritos;Eradex;Lorsban;Trichlorpyrphos;Chlorpyriphos;O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate;O,O-diethyl S-(3,5,6-trichloropyridin-2-yl) thiophosphate;
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Molecular Formula:
C9H11Cl3NO3PS
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Molecular Weight:
350.5863
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Molecular Structure:
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Hazard Symbols:
T:Toxic;
N:Dangerous for the environment;
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Risk Codes:
R25:;
R50/53:;
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Safety Description:
S1/2:;
S45:;
S60:;
S61:;
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