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5-Chloro-2-methyl-4-isothiazolin-3-one

CAS 26172-55-4 C4H4ClNOS MW 149.60 In stock

5-Chloro-2-methyl-4-isothiazolin-3-one is a potent biocide used in industrial water treatment, coatings, and personal care products to prevent microbial growth. It is a halogenated isothiazolinone with the CAS number 26172-55-4, molecular formula C4H4ClNOS, and molecular weight 149.60 g/mol. Stored at 2 to 8 °C, it is classified as Danger. Molekula supplies 5-Chloro-2-methyl-4-isothiazolin-3-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

5-Chloro-2-methyl-4-isothiazolin-3-one is a potent biocide used in industrial water treatment, coatings, and personal care products to prevent microbial growth. It is a halogenated isothiazolinone with the CAS number 26172-55-4, molecular formula C4H4ClNOS, and molecular weight 149.60 g/mol. Stored at 2 to 8 °C, it is classified as Danger. Molekula supplies 5-Chloro-2-methyl-4-isothiazolin-3-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Clear to yellow liquid - possible low melt
Density (At 20°C) 1.16 to 1.32g/cm³
Identification Conforms to reference
pH 2.0 - 4.0
Total Active Ingredients 14.0 - 14.5%
Total CIT/MIT 2.5 - 3.4%
CMIT 10.0 - 12.0%
MIT 3.0 - 5.0%

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Transport Class 8 (6.1)
Packing Group II
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 26172-55-4
Molecular Formula C4H4ClNOS
Molecular Weight 149.60
SMILES O=C1C=C(Cl)SN1C
EC / UN Number 2922
REACH Code Y110
TSCA Listed Yes
HTS Code 2934101000
Tariff Code 2934100090

Safety & GHS

Danger
  • GHS pictogram — Compressed Gas Compressed Gas GHS04
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Toxic Toxic GHS06

Hazard statements

  • EUH071 Corrosive to the respiratory tract
  • H302+312 Harmful if swallowed or in contact with skin
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage
  • H317 May cause an allergic skin reaction
  • H331 Toxic if inhaled
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
  • P337+313 If eye irritation persists get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

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Pricing & pack sizes

Pack sizes & pricing

  • 5 g

    $117.97 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

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