Octamethylpyrophosphoric acid tetramide
[CAS# 152-16-9]

Identification

• Classification: Analytical chemistry >> Standard >> Pesticides, veterinary drugs and fertilizers
• Name: Octamethylpyrophosphoric acid tetramide
• Synonyms: Pestox; Pestox 3; Pestox III; Schradan; Sytam; Tetrakisdimethylaminophosphonous anhydride; NSC 8929; OMPA
• Molecular Formula: C₈H₂₄N₄O₃P₂
• Molecular Weight: 286.25
• CAS Registry Number: 152-16-9
• EC Number: 205-801-0

Properties

• Solubility: Freely soluble (570 g/L) (25 ºC), Calc.^*
• Density: 1.24 g/cm³ (25 ºC)^**
• Melting point: 17 ºC^***
• Refractive index: 1.4698 (589.3 nm 20 ºC)^****

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

^** Ripper, W. E.; Nature (London, United Kingdom) 1949, V163, P787-9.

^*** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

^**** Shugaev, B. B.; Khim. i Primenenie Fosfororg. Soedinenii, Akad. Nauk S.S.S.R., Trudy 1-oi Konferents. 1957, P301-9.

Safety Data

• Hazard Symbols: GHS06 Danger
• Hazard Statements: H310-H300

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	1	H310
Acute toxicity	Acute Tox.	2	H300