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ChemicalBook >> CAS DataBase List >> Methamidophos

Methamidophos

Methamidophos price.
  • $234 - $1787
  • Product name: Methamidophos
  • CAS: 10265-92-6
  • MF: C2H8NO2PS
  • MW: 141.13
  • EINECS:233-606-0
  • MDL Number:MFCD00041808
  • Synonyms:Acephate-met;BAY 71628;bay71628 ;Bayer 5546;bayer5546 ;Chevron 9006;Chevron ortho 9006;chevron9006
4 prices
Selected condition:
Brand
  • TRC
  • Usbiological
Package
  • 25mg
  • 250mg
  • ManufacturerTRC
  • Product numberTRC-M258840-25MG
  • Product descriptionMetamidophos (>90%)
  • Packaging25mg
  • Price$234
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberM258840
  • Product descriptionMetamidophos
  • Packaging250mg
  • Price$1320
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberTRC-M258840-250MG
  • Product descriptionMetamidophos (>90%)
  • Packaging250mg
  • Price$1787
  • Updated2026-06-03
  • Buy
  • ManufacturerUsbiological
  • Product number164860
  • Product descriptionMetamidophos
  • Packaging25mg
  • Price$531
  • Updated2026-06-03
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
TRC TRC-M258840-25MG Metamidophos (>90%) 25mg $234 2026-06-03 Buy
TRC M258840 Metamidophos 250mg $1320 2021-12-16 Buy
TRC TRC-M258840-250MG Metamidophos (>90%) 250mg $1787 2026-06-03 Buy
Usbiological 164860 Metamidophos 25mg $531 2026-06-03 Buy

Properties

Melting point :44.5°C
Boiling point :208.7±23.0 °C(Predicted)
Density :d44.5 1.31
vapor pressure :2.3×10-3Pa (25°C)
refractive index :nD40 1.5092
Flash point :212 °C
storage temp. :0-6°C
solubility :Chloroform (Slightly), Methanol (Slightly)
Water Solubility :>200 g l-1 (20°C)
form :solid
pka :-0.58±0.70(Predicted)
Henry's Law Constant :1.1×104 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable. Incompatible with strong oxidizing agents, copper, copper alloys.
Major Application :agriculture
environmental InChI :1S/C2H8NO2PS/c1-5-6(3,4)7-2/h1-2H3,(H2,3,4)
InChIKey :NNKVPIKMPCQWCG-UHFFFAOYSA-N
SMILES :COP(N)(=O)SC
CAS DataBase Reference :10265-92-6(CAS DataBase Reference)
NIST Chemistry Reference :Phosphoramidothioic acid, o,s-dimethyl ester(10265-92-6)
EPA Substance Registry System :Methamidophos (10265-92-6)

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)Environment (GHS09)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 Wear respiratory protection.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P310 Immediately call a POISON CENTER or doctor/physician.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P320 Specific treatment is urgent (see … on this label).
P321 Specific treatment (see … on this label).
P322 Specific measures (see …on this label).
P330 Rinse mouth.
P361 Remove/Take off immediately all contaminated clothing.
P363 Wash contaminated clothing before reuse.
P391 Collect spillage. Hazardous to the aquatic environment
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

Methamidophos is used to control a wide range of insects and mites in a very large number of crops.

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