Malathion (CAS 121-75-5) Sigma-Aldrich

Malathion molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Malathion (CAS 121-75-5). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	121-75-5
Molecular formula	C10H19O6PS2
Molecular weight	330.35 g/mol
IUPAC name	diethyl 2-dimethoxyphosphinothioylsulfanylbutanedioate
Synonyms	Carbophos · Carbofos · Mercaptothion · Karbofos · Cythion · Prioderm

Safety & Hazards (GHS) Warning

Irritant

Environmental hazard

H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	MALATHION	1374408-500MG 91481-50MG M0120000	Request Quote
Sigma	MALATHION PESTANAL.	36143-100MG	Request Quote
Sigma	MALATHION SOLUTION, 100 UG/ML IN CYCLOH	31558-10ML 31558-2ML	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.