Specialty Additives Available to Source

Methylisothiazolinone

CAS 2682-20-4 · MF C4H5NOS · MW 115.16 g/mol

Methylisothiazolinone (MIT) is a synthetic preservative commonly used in personal care, household, and industrial products. It provides broad-spectrum

SDS / TDS Download
CAS Number
2682-20-4
Molecular Formula
C4H5NOS
Molecular Weight
115.16 g/mol
Material Family
Specialty Additives
Functional Roles
Physical Properties
melting_point
50-51 u00b0C
boiling_point
BP: 93 u00b0C at 0.03 mm Hg
density
1.35 g/mL at 25 u00b0C
solubility
Solubility in: acetonitrile 78.6; methanol 79.1; hexane 2.371; xylenol 15.65 (g/100 mL)
vapor_pressure
0.062 mm Hg at 25 u00b0C
GHS / SDS Safety Danger
Acute Toxic Environmental Hazard Irritant Health Hazard Corrosive
  • H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
  • H302: Harmful if swallowed [Warning Acute toxicity, oral]
  • H302 (16.5%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H314 (95.8%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
  • H317 (95.8%): May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H311: Toxic in contact with skin [Danger Acute toxicity, dermal]
  • H330 (35.5%): Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H330: Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H318 (60.7%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H410 (40.1%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
  • H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H400 (95.8%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H301 (78%): Toxic if swallowed [Danger Acute toxicity, oral]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H301+H311 (32.9%): Toxic if swallowed or in contact with skin [Danger Acute toxicity, oral; acute toxicity, dermal]
  • H311 (73.3%): Toxic in contact with skin [Danger Acute toxicity, dermal]
  • H335 (41%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H301: Toxic if swallowed [Danger Acute toxicity, oral]
  • H331 (16.9%): Toxic if inhaled [Danger Acute toxicity, inhalation]
Chemical Identity
CAS Number2682-20-4
IUPAC Name2-methyl-1,2-thiazol-3-one
InChI KeyBEGLCMHJXHIJLR-UHFFFAOYSA-N
PubChem CID 39800
INCI NameMETHYLISOTHIAZOLINONE
Synonyms & Trade Names
Methylisothiazolinone 2-Methyl-4-isothiazolin-3-one 2-Methyl-3(2H)-isothiazolone 2-Methyl-4-isothiazoline-3-one N-methylisothiazolone 3(2H)-Isothiazolone, 2-methyl- 2-methyl-3-isothiazolone n-methylisothiazolin-3-one Neolone 950 2-methyl-1,2-thiazol-3(2H)-one 229D0E1QFA 2-Methyl-4-isothiazoline-3-ketone DTXCID0014259 methyl-isothiazolinone
Full Description

Methylisothiazolinone (MIT) is a synthetic preservative commonly used in personal care, household, and industrial products. It provides broad-spectrum