Specialty Additives Available to Source

Potassium ethyl xanthate (PEX)

PEX
CAS 140-90-9 · MF C3H5NaOS2 · MW 144.20 g/mol

Sulfide mineral collector

SDS / TDS Download
CAS Number
140-90-9
Molecular Formula
C3H5NaOS2
Molecular Weight
144.20 g/mol
Material Family
Specialty Additives
Functional Roles
Industries Served
GHS / SDS Safety Warning
Environmental Hazard Flammable Irritant Health Hazard Corrosive
  • H302 (43.2%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (77.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H314 (22.7%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H361d (18.2%): Suspected of damaging the unborn child [Warning Reproductive toxicity]
  • H317 (18.2%): May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H315 (77.3%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H373 (18.2%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
  • H312: Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H400 (18.2%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H228 (29.5%): Flammable solid [Danger Flammable solids]
  • H335 (70.5%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H302: Harmful if swallowed [Warning Acute toxicity, oral]
  • H318 (18.2%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
  • H412 (18.2%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Chemical Identity
CAS Number140-90-9
IUPAC Namesodium ethoxymethanedithioate
InChI KeyRZFBEFUNINJXRQ-UHFFFAOYSA-M
PubChem CID 23690437
Synonyms & Trade Names
SODIUM ETHYLXANTHATE Carbonodithioic acid, O-ethyl ester, sodium salt (1:1) Sodium O-ethyl dithiocarbonate Carbonodithioic acid, O-ethyl ester, sodium salt 3R5A3652VK RefChem:887529 Sodium ethylxanthogenate sodium o-ethyl carbonodithioate Ethylxanthic Acid Sodium Salt sodium;ethoxymethanedithioate sodium xanthate SODIUM ETHYL XANTHATE Sodium Xanthogenate Sodium Ethylxanthate (~90%) SEX
Full Description

Sulfide mineral collector