Pyrazophos
[CAS 13457-18-6]

Identification

• Classification: Chemical pesticide >> Fungicide >> Other fungicides
• Name: Pyrazophos
• Synonyms: Diethyl 6-carbethoxy-5-methylpyrazolo[1,5-a]pyrimidin-2-yl phosphorothioate; HOE 2873; Hoechst 2873; Missile; NSC 232671
• Molecular Formula: C₁₄H₂₀N₃O₅PS
• Molecular Weight: 373.37
• CAS Registry Number: 13457-18-6
• EC Number: 236-656-1

Properties

• Solubility: Practically insoluble (0.013 g/L) (25 °C), Calc.^*
• Density: 1.38±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 51 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Safety Data

• Hazard Symbols: GHS07;GHS09 Warning
• Risk Statements: H332-H302-H400-H410

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	4	H332
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	4	H302