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CAS No 13457-18-6 , ethyl
2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,
5-a]pyrimidine-6-carboxylate

  • Name: ethyl
    2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,
    5-a]pyrimidine-6-carboxylate
  • Synonyms: Curamil; Pyrazophos [BSI:ISO]; HOE 02873; Missile;ethyl
    2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,
    5-a]pyrimidine-6-carboxylate; EINECS 236-656-1; Caswell No. 714D; Afugan; Hoechst 2873; HOE 2873;
  • CAS Registry Number:
  • Transport: 2783
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.38g/cm3
  • Refractive index: 1.595
  • Safety Statements: Hazard Codes Xn,NRisk Statements 20/22-50/53Safety Statements 36/37-46-60-61RIDADR 2783RTECS TF2035000HazardClass 6.1(b)PackingGroup III
  • Hazard Symbols: Xn: Harmful;N: Dangerous for the environment;
  • Flash Point: °C
  • EINECS: 236-656-1
  • Molecular Weight: 373.364462
  • InchiKey: JOOMJVFZQRQWKR-UHFFFAOYSA-N
  • InChI: InChI=1S/C14H20N3O5PS/c1-5-19-14(18)11-9-17-12(15-10(11)4)8-13(16-17)22-
    23(24,20-6-2)21-7-3/h8-9H,5-7H2,1-4H3
  • Risk Statements: 20/22-50/53
  • Molecular Formula: C14H20N3O5PS
  • Molecular Structure:CAS No:13457-18-6 ethyl<br />2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,<br />5-a]pyrimidine-6-carboxylate

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13457-18-6 Pyrazophos

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1/1
References of ethyl
2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,
5-a]pyrimidine-6-carboxylate
Title: Pyrazophos
CAS Registry Number: 13457-18-6
CAS Name: 2-[(Diethoxyphosphinothioyl)oxy]-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid ethyl ester
Synonyms: 2-hydroxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid ethyl ester, O-ester with O,O-diethyl phosphorothioate
Manufacturers' Codes: HOE-2873
Trademarks: Afugan (Hoechst); Curamil (Hoechst)
Molecular Formula: C14H20N3O5PS
Molecular Weight: 373.36
Percent Composition: C 45.04%, H 5.40%, N 11.25%, O 21.43%, P 8.30%, S 8.59%
Literature References: Systemic fungicide. Prepn: NL 6602131; O. Scherer, H. Mildenberger, US 3632757 (1966, 1972 both to Hoechst). Account of fungicidal properties and toxicity: F. M. Smit, Meded. Rijksfac. Landbouwwet. Gent 34, 763 (1969), C.A. 73, 76038w (1970). In control of rusty spot on peaches: R. H. Daines, Plant Dis. Res. 58, 254 (1974). Effectiveness against powdery mildew: D. J. Butt et al., Ann. Appl. Biol. 75, 217 (1973); F. O. Riordain, Plant Dis. Rep. 58, 12 (1974); R. T. Burchill, M. E. Cook, Plant Pathol. 24, 194 (1975). Enzymatic detection by TLC: G. F. Ernst, F. Schuring, J. Chromatogr. 49, 325 (1970). Absorption and metabolism by plants: S. Gorbach et al., Environ. Qual. Saf. Suppl. 3, 840 (1975).
Properties: Yellow oil, mp 38-40°C. LD50 in rats, marmots, rabbits (mg/kg): 140, 184, 435 orally (Smit).
Melting point: mp 38-40°C
Toxicity data: LD50 in rats, marmots, rabbits (mg/kg): 140, 184, 435 orally (Smit)
Use: Fungicide.