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SCHRADAN
SCHRADAN
- CAS:
- 152-16-9
- MF:
- C8H24N4O3P2
- MW:
- 286.25
Properties
- Melting point:
- 17℃
- Boiling point:
- bp0.5 120-125°; bp2.0 154°
- Density
- 1.24 g/cm3 (25 ºC)
- refractive index
- 1.4698 (589.3 nm 20℃)
- form
- liquid
- pka
- 0.85±0.70(Predicted)
- color
- Viscous liquid
Safety Information
- Symbol(GHS)
GHS06
- Signal word
- Danger
- Hazard statements
- H300-H310
- Precautionary statements
- P264-P270-P301+P310-P321-P330-P405-P501-P262-P264-P270-P280-P302+P350-P310-P322-P361-P363-P405-P501
- Hazard Codes
- T+
- Risk Statements
- 27/28
- Safety Statements
- 36/37-38-45
- RIDADR
- 3018
- HazardClass
- 6.1(a)
- PackingGroup
- I
- HS Code
- 29299090
- Toxicity
- LD50 in male, female rats (mg/kg): 9.1, 42 orally; 15, 44 dermally (Gaines)
Use
Schradan, octamethyl pyrophosphoramide(OMPA), bis[bisdimethylaminophosphonous] anhydride(Pestox III), is a viscous liquid that is miscible with waterand soluble in most organic solvents. It is not hydrolyzed byalkalies or water but is hydrolyzed by acids. Schradan isused as a systemic insecticide for plants, being absorbed bythe plants without appreciable injury. Insects feeding on theplant are incapacitated.Schradan is a weak inhibitor of cholinesterases in vitro.In vivo, it is metabolized to the very strong inhibitor hydroxymethylOMPA. Hydroxymethyl OMPA is not stable andis metabolized further to the N-methoxide, which is a weakinhibitor of cholinesterase.
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