725765
2-Methyl-4-isothiazolin-3-one
95%
Synonym(s):
2-Methyl-3(2H)-isothiazolone
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About This Item
Empirical Formula (Hill Notation):
C4H5NOS
CAS Number:
Molecular Weight:
115.15
UNSPSC Code:
12352100
NACRES:
NA.21
PubChem Substance ID:
EC Number:
220-239-6
Beilstein/REAXYS Number:
606203
MDL number:
Assay:
≥94.0% (GC), 95%
Form:
lumps
InChI key
BEGLCMHJXHIJLR-UHFFFAOYSA-N
InChI
1S/C4H5NOS/c1-5-4(6)2-3-7-5/h2-3H,1H3
SMILES string
CN1SC=CC1=O
assay
≥94.0% (GC), 95%
form
lumps
impurities
≤5% water
Quality Level
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Application
- Insights into the mechanisms of within-species variation in sensitivity to chemicals: A case study using daphnids exposed to CMIT/MIT biocide.: This study investigates the differential sensitivity of daphnids to 2-Methyl-4-isothiazolin-3-one, highlighting the biochemical mechanisms underlying these variations. The findings provide crucial insights for environmental safety assessments (Kim et al., 2023).
- Effects of the biocide methylisothiazolinone on Xenopus laevis wound healing and tail regeneration.: The study assesses the impact of 2-Methyl-4-isothiazolin-3-one on regenerative processes in amphibians, contributing to the understanding of its biological effects and potential toxicity (Delos Santos et al., 2016).
- T cell lymphomatoid contact dermatitis: a challenging case and review of the literature.: This review includes discussions on 2-Methyl-4-isothiazolin-3-one-induced contact dermatitis, providing valuable information for dermatological applications and safety assessments (Knackstedt and Zug, 2015).
Disclaimer
The product is not intended for use as a biocide under global biocide regulations, including but not limited to US EPA′s Federal Insecticide Fungicide and Rodenticide Act, European Biocidal Products Regulation, Canada’s Pest Management Regulatory Agency, Turkey’s Biocidal Products Regulation, Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR) and others.
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1A
supp_hazards
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Eleanor Higgins et al.
Dermatitis : contact, atopic, occupational, drug, 24(2), 73-76 (2013-03-12)
The isothiazolinones methylchloroisothiazolinone and methylisothiazolinone (MCI/MI) are the active ingredients in a frequently used preservative in cosmetic, household, and industrial products. This study reviewed our department's cases of allergic contact dermatitis caused by MCI/MI, outlining their clinical presentation and possible
Magnus Bruze et al.
Contact dermatitis, 69(5), 263-270 (2013-10-15)
Methylisothiazolinone (MI) is used as a preservative in occupational and household products, and cosmetics. It is a part of the preparation of methylchloroisothiazolinone (MCI)/MI, which is patch tested in water in the European baseline series. However, this preparation fails to
Leena Ackermann et al.
Contact dermatitis, 64(1), 49-53 (2010-12-21)
Antimicrobials constitute the second most common cause of contact allergy to cosmetics. Methylisothiazolinone (MI), previously always used together with methylchloroisothiazolinone (MCI), has recently been approved in the EU for use on its own in cosmetics and also various industrial products.
Julien Mutschler et al.
Toxicology in vitro : an international journal published in association with BIBRA, 23(3), 439-446 (2009-05-16)
Assessment of skin sensitization hazard of chemicals currently depends on in vivo methods. Considering the forthcoming European Union ban on in vivo testing of cosmetic/toiletry ingredients, the search for alternative non-animal approaches is an urgent challenge for investigators today. For
Johannes Geier et al.
Contact dermatitis, 67(6), 334-341 (2012-09-22)
The frequency of sensitization to methylchloroisothiazolinone (MCI)/ methylisothiazolinone (MI) observed in the Information Network of Departments of Dermatology (IVDK) was constantly around 2.1% from 1998 to 2009. After that, it increased to 3.9% in 2011, paralleled by an increase in
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