C4H5NOS
115.16 g/mol
Industrial ChemicalDanger
Methylisothiazolinone
CAS2682-20-4EC220-239-6
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Biocide and preservative in personal care and industrial products
Methylisothiazolinone is an organic compound used as a biocide and preservative in personal care products and various industrial applications. It is a white solid belonging to the isothiazolinone class of heterocycles.
Biocide in personal care productsPreservative in industrial applications
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.
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Related Compounds
ReferenceSame Category
(E/Z)-cinnamyl chloride
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Chemical intermediate for synthesis
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1-methyl-2-pyrrolidinone
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Industrial solvent
ReferenceSame Category
1-ethyl-2-pyrrolidone
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Industrial solvent and etching agent
ReferenceSame Category
N-Octyl pyrrolidone
CAS2687-94-7
industrial solvent
Referencestereoisomer of
2-Methyl-3-isothiazolone-d3 Hydrochloride
CAS1329509-49-0
research compound
Referencesame scaffold
Methylchloroisothiazolinone/methylisothiazolinone
CAS55965-84-9
Biocide preservative in consumer products
Referencesame scaffold
4,5-dichloro-2-octyl-3-isothiazolone
CAS64359-81-5
Fungicide for dry-film protection
Referencesame scaffold
Isothiazolinone
CAS1003-07-2
Preservative and antimicrobial agent
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H302Harmful if swallowed
H331Toxic if inhaled
H335May cause respiratory irritation
H370Causes damage to organs
Customs Tariff Classification
The international HS code for Methylisothiazolinone (CAS 2682-20-4) is 2934.10.
HS code (international, 6-digit)
2934.10
EU CN code (8-digit)
2934 10 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
2-methyl-1,2-thiazol-3-one
InChIKey
BEGLCMHJXHIJLR-UHFFFAOYSA-N
SMILES
CN1C(=O)C=CS1
Synonyms (47)
- M-0600
- MIT
- 2-METHYL-2H-ISOTHIAZOL-3-ONE
- 2-Methyl-3(2H)-isothiazolone
- 2-Methyl-4-isothiazolin-3-one
- 2-methyl-1,2-thiazol-3-one
- 2-methyl-3-isothiazolone
- 2-methyl-3-isothiozolone
- 2-methyl-4-isothiazolinone
- 2-methylisothiazol-3(2h)-one
- 2-methylisothiazol-3-one
- 2682-20-4 (free base)
- 3(2H)-Isothiazolone, methyl-
- Acticide M 10
- Acticide M 20
- Bestcide 600
- Caswell No. 572A
- Kathon CG 243
- Kordek 50
- Kordek 50C
- Kordek 573F
- Kordek MLX
- METHYLISOTHIAZOLINONE [MART.]
- MIT (biocide)
- MT 10
- Methylisothiazolinone
- Microcare MT
- N-methylisothiazolone
- Neolone
- Neolone 950
- Sharomix MT
- methylisothiazolidinone
- methylisothiazolone
- n-methylisothiazolin-3-one
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