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ChemicalBook >> CAS DataBase List >> Parathion-methyl

Parathion-methyl

Parathion-methyl price.
  • $37.2 - $1509
  • Product name: Parathion-methyl
  • CAS: 298-00-0
  • MF: C8H10NO5PS
  • MW: 263.21
  • EINECS:206-050-1
  • MDL Number:MFCD00041813
  • Synonyms:METACIDE(R);DALF(R);DANACAP(R);E601(R);DIMETHYL PARATHION;FOLIDOL-M;FOLIDOL-M(R);8056HC
12 prices
Selected condition:
Brand
  • AHH
  • Cayman Chemical
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TRC
  • Usbiological
Package
  • 50mg
  • 100mg
  • 250mg
  • 500mg
  • 1mL
  • 2ml
  • 10g
  • ManufacturerAHH
  • Product numberMT-57654
  • Product descriptionParathion-methyl 97%
  • Packaging10g
  • Price$320
  • Updated2026-05-26
  • Buy
  • ManufacturerCayman Chemical
  • Product number25786
  • Product descriptionMethyl Parathion ≥98%
  • Packaging50mg
  • Price$53
  • Updated2026-04-30
  • Buy
  • ManufacturerCayman Chemical
  • Product number25786
  • Product descriptionMethyl Parathion ≥98%
  • Packaging100mg
  • Price$101
  • Updated2026-04-30
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number41879
  • Product descriptionParathion-methyl
  • Packaging500mg
  • Price$650
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number45891
  • Product descriptionParathion-methyl solution 100?μg/mL in cyclohexane, PESTANAL?, analytical standard
  • Packaging2ml
  • Price$55
  • Updated2022-05-15
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number36187
  • Product descriptionParathion-methyl PESTANAL
  • Packaging100mg
  • Price$85.4
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number40572
  • Product descriptionMethyl parathion solution certified reference material, 1000?μg/mL in acetone
  • Packaging1mL
  • Price$37.2
  • Updated2022-05-15
  • Buy
  • ManufacturerTRC
  • Product numberP192225
  • Product descriptionParathion-methyl
  • Packaging50mg
  • Price$150
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberTRC-P192225-50MG
  • Product descriptionParathion-methyl
  • Packaging50mg
  • Price$199
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-P192225-250MG
  • Product descriptionParathion-methyl
  • Packaging250mg
  • Price$874
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-P192225-500MG
  • Product descriptionParathion-methyl
  • Packaging500mg
  • Price$1509
  • Updated2026-06-03
  • Buy
  • ManufacturerUsbiological
  • Product number165830
  • Product descriptionParathion-methyl
  • Packaging500mg
  • Price$531
  • Updated2026-06-03
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-57654 Parathion-methyl 97% 10g $320 2026-05-26 Buy
Cayman Chemical 25786 Methyl Parathion ≥98% 50mg $53 2026-04-30 Buy
Cayman Chemical 25786 Methyl Parathion ≥98% 100mg $101 2026-04-30 Buy
Medical Isotopes, Inc. 41879 Parathion-methyl 500mg $650 2021-12-16 Buy
Sigma-Aldrich 45891 Parathion-methyl solution 100?μg/mL in cyclohexane, PESTANAL?, analytical standard 2ml $55 2022-05-15 Buy
Sigma-Aldrich 36187 Parathion-methyl PESTANAL 100mg $85.4 2026-04-30 Buy
Sigma-Aldrich 40572 Methyl parathion solution certified reference material, 1000?μg/mL in acetone 1mL $37.2 2022-05-15 Buy
TRC P192225 Parathion-methyl 50mg $150 2021-12-16 Buy
TRC TRC-P192225-50MG Parathion-methyl 50mg $199 2026-06-03 Buy
TRC TRC-P192225-250MG Parathion-methyl 250mg $874 2026-06-03 Buy
TRC TRC-P192225-500MG Parathion-methyl 500mg $1509 2026-06-03 Buy
Usbiological 165830 Parathion-methyl 500mg $531 2026-06-03 Buy

Properties

Melting point :36°C
Boiling point :143°C (1.0 mmHg)
Density :1.36
vapor pressure :4.1×10-4 Pa (20 °C)
refractive index :nD25 1.5367
Flash point :46.1°C
storage temp. :APPROX 4°C
solubility :Chloroform: Slightly Soluble,Methanol: Slightly Soluble
form :solid
Water Solubility :0.005 g/100 mL
BRN :8905814
Henry's Law Constant :5.0×101 mol/(m3Pa) at 25℃, Mackay and Shiu (1981)
Stability :Stable. Flammable.
CAS DataBase Reference :298-00-0(CAS DataBase Reference)
IARC :3 (Vol. 30, Sup 7) 1987
NIST Chemistry Reference :Phosphorothioic acid, o,o-dimethyl-o-p-nitrophenyl ester(298-00-0)
EPA Substance Registry System :Methyl parathion (298-00-0)

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P314 Get medical advice/attention if you feel unwell.

Description

Methyl parathion is an organophosphate insecticide. It is converted into an oxon-containing metabolite in vivo, similar to other organophosphate pesticides, that inhibits acetylcholinesterase. Methyl parathion is lethal to lab strains and field isolates of tobacco budworm larvae (LD50s = 7 and 81.8-128.3 μg/g, respectively). It reduces the number of stink bugs (C. sayi) caught per 100 net sweeps when applied to alfalfa fields at a concentration of 0.4 pounds per acre. Methyl parathion increases sister chromatid exchange (SCE) in a concentration-dependent manner and induces cell cycle arrest at the M1 phase in V79 cells at a concentration of 40 μg/ml. It is toxic to rats (LD50 = 14 mg/kg).

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