C10H14NO5PS
291.26 g/mol
AgrochemicalDanger
Parathion
CAS56-38-2EC200-271-7
Category
Agrochemical
Compound Class
Ester
Primary Use
Insecticide and acaricide
Parathion is a yellow-to-brown liquid with a garlic-like odor, almost insoluble in water and miscible with many organic solvents. It is an organophosphorus insecticide and acaricide used to control a wide range of pests on agricultural crops.
Control of aphids, mites, beetles, and other insects on fruit, cotton, vegetables, and forage cropsSoil insect control for wireworms, rootworms, and symphilidsLicensed use on alfalfa, barley, corn, cotton, sorghum, soybeans, sunflowers, and wheat in the U.S.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 56-38-2
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Related Reading
Safety Reference
Danger
H300Fatal if swallowed
H311Toxic in contact with skin
H330Fatal if inhaled
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H310Fatal in contact with skin
H320Causes eye irritation
H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H316Causes mild skin irritation
Customs Tariff Classification
The international HS code for Parathion (CAS 56-38-2) is 2920.11, 3808.59.
HS code (international, 6-digit)
2920.11, 3808.59
EU CN code (8-digit)
2920 11 00, 3808 59 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
diethoxy-(4-nitrophenoxy)-sulfanylidene-lambda5-phosphane
InChIKey
LCCNCVORNKJIRZ-UHFFFAOYSA-N
SMILES
CCOP(=S)(OCC)OC1=CC=C(C=C1)[N+](=O)[O-]
Synonyms (158)
- AATP
- DNTP
- E-605
- T-47
- WYS
- AAT [Pesticide]
- Alleron
- Aphamite
- Aqua 9-Parathion
- Aralo
- Bay 1605
- Bladen
- Corthion
- Diethyl parathion
- Durathion
- E 605 F
- ENT 15,108
- Ecatox 20
- Ekatox 20
- Ethyl parathion 50 EC
- Etilon
- Etylparation
- Etylparation [Czech]
- Foliclal
- Folidol
- Folidol E
- Fosferno
- Fosferno 50
- Fostox
- Galpar
- Murphos
- NIUIF 100
- Niran
- Niran E-4
- Nitrostigmin
- Nitrostigmin [German]
- Nitrostigmine
- OMS 19
- Oleoparathene
- Orthophos
- PARATHION [MART.]
- Pacol
- Paradust
- Paramar
- Paraphos
- Parathion 20 wp
- Parathion A
- Parathion [NA2783] [Poison]
- Parathion, PESTANAL(R)
- Parathion, liquid
- Parathion-E
- Parathion-aethyl
- Parathion-aethyl [German]
- Parathion-ethyl
- Parawet
- Phoskil
- Rhodiatox
- Soprothion
- Sulphos
- TOX 47
- Thiofos
- Thionspray No.84
- Thiophos
- Thiophos parathion 4 E.C.
- Viran
- ac 3422
- acc 3422
- alkron
- american cyanamid 3422
- bay e-605
- bayer e-605
- bladan f
- compound 3422
- corothion
- corthione
- danthion
- drexel parathion 8E
- e 605 forte
- ecatox
- ekatin wf & wf ulv
- ekatox
- ethlon
- ethyl parathion
- folidol e & e 605
- folidol e605
- fosfermo
- fosfex
- fosfive
- fosova
- fostern
- gearphos
- genithion
- kolphos
- kypthion
- lethalaire g-54
- lirothion
- murfos
- nitrostygmine
- nourithion
- oleofos 20
- oleoparaphene
- oleoparathion
- panthion
- paramar 50
- parathene
- parathion
- parthion
- penncap e
- pestox plus
- pethion
- phosphemol
- phosphenol
- phosphostigmine
- rhodiasol
- rhodiatrox
- selephos
- sixty-three special e.c
- soprathion
- stabilized ethyl parathion
- stathion
- strathion
- sulfos
- super rodiatox
- thiomex
- thiophos 3422
- tiofos
- vapophos
- vitrex