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30560-19-1

Name Orthene
CAS 30560-19-1
EINECS(EC#) 250-241-2
Molecular Formula C4H10NO3PS
MDL Number MFCD00055361
Molecular Weight 183.17
MOL File 30560-19-1.mol

Chemical Properties

Description
Acephate is an organophosphate foliar spray insecticide of moderate persistence with residual systemic activity. It is a contact and systemic insecticide and very effective against a large number of crop pests such as alfalfa looper, aphids, armyworms, bagworms, bean leaf beetle, bean leafroller, black grass bugs, bollworm, budworm, and cabbage looper. Acephate is a colourless to white solid organophosphate insecticide. Exposures to acephate cause poisoning to animals and humans. Acephate inhibits acetylcholine esterase (AchE), the essential nervous system enzyme, and causes characteristic organophosphate poisoning. The symptoms of toxicity include, but are not limited to, headache, nervousness, blurred vision, weakness, nausea, fatigue, stomach cramps, diarrhoea, difficulty in breathing, chest pain, sweating, pinpoint pupils, tearing, salivation, clear nasal discharge and sputum, vomiting, muscle twitching, muscle weakness, and, in severe poisoning, convulsions, respiratory depression, coma, and death. Acephate causes cholinesterase inhibition leading to overstimulation, respiratory paralysis, and death. The U.S. EPA classified acephate as Group C, meaning a possible human carcinogen, and therefore requires judicious handling and management.
Appearance Colorless crystalline solid (80% or more pure) or white powder (technical). Has an odor of rotten cabbage or mercaptans (like sulfur).
Melting point  93°C
density  1.35
vapor pressure  2.26 x 10-4 Pa (24 °C)
Fp  2 °C
storage temp.  APPROX 4°C
solubility  Chloroform: Soluble; DMSO: Soluble; Water: Soluble
form  solid
pka 11.00±0.46(Predicted)
color  White to yellow
Water Solubility  readily soluble
Merck  13,32
BRN  1936365
InChI InChI=1S/C4H10NO3PS/c1-4(6)5-9(7,8-2)10-3/h1-3H3,(H,5,6,7)
InChIKey YASYVMFAVPKPKE-UHFFFAOYSA-N
SMILES P(NC(C)=O)(SC)(OC)=O
NIST Chemistry Reference Acephate(30560-19-1)
EPA Substance Registry System Phosphoramidothioic acid, acetyl-, O,S-dimethyl ester(30560-19-1)

Safety Data

Hazard Codes  Xn,F
Risk Statements 
Safety Statements 
RIDADR  UN1648 3/PG 2
WGK Germany  2
RTECS  TB4760000
HS Code  29299040
Safety Profile
Poison by ingestion. Moderately toxic by skin contact and inhalation. Human mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, POx, and SOx. See also ESTERS.
Hazardous Substances Data 30560-19-1(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 700 mg/kg (Magee, 1973)

Hazard Information

Material Safety Data Sheet(MSDS)

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