C10H19O6PS2
330.4 g/mol
AgrochemicalWarning
Malathion
CAS121-75-5EC204-497-7
Category
Agrochemical
Compound Class
Ester
Primary Use
Insecticide for crops and pests
Malathion is an insecticide that does not occur naturally. Pure malathion is a colorless liquid, while technical-grade malathion is a brownish-yellow liquid with a garlic-like odor.
Killing insects on farm crops and in gardensTreating lice on humansControlling mosquitoes and Mediterranean fruit flies in large outdoor areas
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.
Relevant lists:California Proposition 65
CAS 121-75-5
Related Compounds
ReferenceSame Category
Nitromide
CAS121-81-3
Veterinary antibacterial and coccidiostat
ReferenceSame Category
(Z)-clethodim
CAS1210535-11-7
Herbicide active ingredient
ReferenceSame Category
Emamectin B1A
CAS121124-29-6
insecticide chloride channel activator
ReferenceSame Category
N6-benzyladenine
CAS1214-39-7
plant growth regulator
Related Reading
Safety Reference
Warning
H302Harmful if swallowed
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H331Toxic if inhaled
H320Causes eye irritation
H350May cause cancer
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
H341Suspected of causing genetic defects
Customs Tariff Classification
The international HS code for Malathion (CAS 121-75-5) is 2930.90, 3808.61, 3808.62, 3808.69.
HS code (international, 6-digit)
2930.90, 3808.61, 3808.62, 3808.69
EU CN code (8-digit)
2930 90 95, 3808 61 00, 3808 62 00, 3808 69 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
diethyl 2-dimethoxyphosphinothioylsulfanylbutanedioate
InChIKey
JXSJBGJIGXNWCI-UHFFFAOYSA-N
SMILES
CCOC(=O)CC(C(=O)OCC)SP(=S)(OC)OC
Synonyms (140)
- Malathion (USP)
- Malathion, European Pharmacopoeia (EP)
- Malathion, United States Pharmacopeia (USP)
- American cyanamid 4,049
- Calmathion
- Camathion
- Carbafos
- Carbethoxy malathion
- Carbetovur
- Carbetox
- Carbofos
- Carbophos
- Celthion
- Chemathion
- Cimexan
- Cleensheen
- Compound 4049
- Cythion
- Derbac-M
- Detmol MA
- Dorthion
- ENT 17,034
- Emmatos
- Emmatos extra
- Ethiolacar
- Etiol
- Experimental insecticide 4049
- Extermathion
- Flair
- Fog 3
- Forthion
- Fosfothion
- Fosfotion
- Fosfotion 550
- Four thousand forty-nine
- Fyfanon
- Gammaxine
- Hilthion
- Hilthion 25wdp
- Insecticide no. 4049
- Karbofos
- Kill-A-Mite
- Kop-Thionkypfosmalacide
- Kop-thion
- Kypfos
- Latka 4049
- Latka 4049 [Czech]
- MALATHION [MART.]
- Malacide
- Malafor
- Malagran
- Malakill
- Malamar
- Malamar 50
- Malaphele
- Malaphos
- Malasol
- Malaspray
- Malataf
- Malathiazol
- Malathion CRS
- Malathion E50
- Malathion ULV
- Malathion, PESTANAL(R)
- Malathion, vial of 1 g
- Malathione
- Malathiozoo
- Malathon
- Malathyl
- Malathyne
- Malation
- Malation [Polish]
- Malatol
- Malatox
- Maldison
- Malmed
- Malphos
- Maltox
- Maltox MLT
- Mercaptothion
- Mercaptotion
- Mercaptotion [Spanish]
- Moscarda
- OMS 1
- Oleophosphothion
- Organoderm
- Ortho Malathion
- Ovide
- Ovide (TN)
- Paladin
- Phosphothion
- Prioderm
- Quellada-M
- Radotion
- S-(1,O-dimethyl-dithiofosfaat
- S-(1,O-dimetil-ditiofosfato
- S-1,O-dimethyl thiophosphate
- SF 60
- Sadofos
- Sadofos 30
- Sadophos
- Siptox I
- Staeubol-Puder
- Suleo-M
- Sumitox
- Taskil
- Vegfru malatox
- Vetiol
- Zithiol
- malathion