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HCID 41679Erstellt: 27. Oktober 2026

Reaktionsgemisch, bestehend aus5-Chlor-2-methyl-2H-isothiazol-3-on und 2-Methyl-2H-isothiazol-3-on (3:1)

Kathon 886 · kathon biocide · Isothiazolinone chloride · 5-Chloro-2-methyl-3(2H)-isothiazolone with 2-methyl-3(2H)-isothiazolone · Con WT · NeoCide · Sidchem 715 · CMIT/MIT 1.5CG

https://huagongshe.com/de/chemical/41679

Molekülstruktur von Reaktionsgemisch, bestehend aus5-Chlor-2-methyl-2H-isothiazol-3-on und 2-Methyl-2H-isothiazol-3-on (3:1)

Identifikatoren & physikalische Daten

CAS No.55965-84-9
SummenformelC8H9ClN2O2S2
Durchschnittliche Molmasse264,8 g/mol
SMILESCn1sc(Cl)cc1=O.Cn1sccc1=O
InChIKeyQYYMDNHUJFIDDQ-UHFFFAOYSA-N
PubChem CID41679
ChEMBLCHEMBL108095
EC No.611-341-5
Lokaler NameReaktionsgemisch, bestehend aus5-Chlor-2-methyl-2H-isothiazol-3-on und 2-Methyl-2H-isothiazol-3-on (3:1)

Chemische & physikalische Eigenschaften

Polarare Oberfläche (TPSA)91,2
H-Brücken-Donoren0
H-Brücken-Akzeptoren4
Frei drehbare Bindungen0
Schwere Atome15
Formalladung0
Komplexität277
DuftstoffeFragrance Ingredient (3(2H)_-_Isothiazolone, 5-_chloro-_2-_methyl-_, mixt. with 2-_methyl-_3(2H)_-_isothiazolone) -> IFRA transparency List
Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR
Physical DescriptionLiquid
Siedepunkt100.1℃ at 101.325kPa
Dichted20 1.19
Dampfdruck0.003-17Pa at 20-45℃
LagerbedingungenSealed in dry,Room Temperature
LöslichkeitChloroform (Soluble), DMSO (Slightly), Methanol (Slightly), Water
AggregatzustandLiquid
FarbeColorless to light yellow
pH3.43 at 20℃ and 10g/L
InChIInChI=1S/C4H4ClNOS.C4H5NOS/c1-6-4(7)2-3(5)8-61-5-4(6)2-3-7-5/h2H,1H32-3H,1H3
InChIKeyQYYMDNHUJFIDDQ-UHFFFAOYSA-N
SMILESO=C1C=C(SN1C)Cl.O=C1C=CSN1C
LogP (Verteilungskoeffizient)-0.34-0.81 at 10-30℃ and pH5-9
Oberflächenspannung72.6-73mN/m at 1-1.106g/L and 19.5-20℃
EPA chemische Informationen5-Chloro-2-methyl-3(2H)-isothiazolone mixt. with 2-methyl-3(2H)-isothiazolone (55965-84-9)

Sicherheit & Vorschriften

GHS-EinstufungDangerH301: Toxic if swallowed [Danger Acute toxicity, oral]P260, P261, P262, P264, P264+P265, P270, P271, P272, P273, P280, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P320, P321, P330, P333+P317, P361+P364, P362+P364, P363, P391, P403+P233, P405, and P501 (click each P-code to see the statement)This chemical does not meet GHS hazard criteria for < 0.1% (1 of 1945) of reports.H301 (99.8%): Toxic if swallowed [Danger Acute toxicity, oral]
Regulatorische Informationen3(2H)-Isothiazolone, 5-chloro-2-methyl-, mixt. with 2-methyl-3(2H)-isothiazolone is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 3(2H)-Isothiazolone, 5-chloro-2-methyl-, mixt. with 2-methyl-3(2H)-isothiazolone are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 14-03-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/23870Mixture of methylchloroisothiazolinone and methylisothiazolinone: Does not have an individual approval but may be used under an appropriate group standard
Weitere SicherheitsinformationenPEC / SN / Other assessments - Common skin sensitisers—hazard classification: Health
Hazard Classes and CategoriesAcute Tox. 3 (99.8%)Acute Tox. 3 (100%)Acute Tox. 4 (100%)Acute toxicity (inhalation) - category 2Acute Tox. 2
ToxizitätLD50 (mg/kg) orally in rabbits: 30i.p. in male, female rats: 4.6, 4.3LC50 (6 day) in trout, sunfish (mg/l): 0.14, 0.54LC50 (8 day dietary) in Bobwhite quail, Peking duck (mg/kg/day): >60, >100 (J. Am. Coll. Toxicol.)

Anwendungen & Verwendung

Beschreibung

Kathon 886 metalwork fluid is a mixture of the two isothiazoliones contained in Kathon CG, at a 13.9% concentration. It is mainly contained in metalwork fluids. As an active component of Aigezid Ⅱ and contained in a water bath used for phtotographic development, it caused contact dermatitis in a photograph developer.

Verwenden

Antimicrobial preservative in cosmetics, hygeine products, paints, emulsions, cutting oils, paper coatings, and water storage and cooling units.