Methylchloroisothiazolinone
Methylchloroisothiazolinone (CAS 26172-55-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our Analytical Reagents range.
About Methylchloroisothiazolinone
Methylchloroisothiazolinone sits in our analytical Reagents section and ships worldwide from stock or short lead time. Identity at a glance: CAS 26172-55-4, formula C4H4ClNOS and molar mass 149.6 g/mol.
Use cases we see most often
- Agrochemical formulations
- Laboratory analysis
Storage and safety notes
It carries the GHS signal word Danger (H300, H301+H311, H301 and H310), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Agrochemical formulations
- Laboratory analysis
Applications
Specifications and identifiers
| Product name | Methylchloroisothiazolinone |
|---|---|
| Catalogue number | ZX-034220 |
| CAS number | 26172-55-4 |
| IUPAC name | 5-chloro-2-methyl-1,2-thiazol-3-one |
| Molecular formula | C4H4ClNOS |
| Molar mass | 149.6 g/mol |
| Exact mass | 148.9702 |
| XLogP3 | 0.9 |
| H-bond donors / acceptors | 0 / 2 |
| Topological polar surface area | 45.6 Ų |
| InChIKey | DHNRXBZYEKSXIM-UHFFFAOYSA-N |
| SMILES | CN1C(=O)C=C(S1)Cl |
| PubChem CID | 33344 |
| Synonyms | 5-Chloro-2-methyl-3-isothiazolone, 5-Chloro-2-methyl-4-isothiazolin-3-one, 5-Chloro-2-methyl-3(2H)-isothiazolone, Kathon CG 5243, 3(2H)-Isothiazolone, 5-chloro-2-methyl-, 5-chloro-N-methylisothiazolone, 5-chloro-2-methylisothiazolin-3-one, 5-chloro-n-methylisothiazolin-3-one, HS 818, n-methyl-5-chloroisothiazolone, N-Methyl-5-chloroisothiazolin-3-one, 5-chloro-2-methyl-3(2H)-isothiazolinone |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H300Fatal if swallowed
- H301+H311Toxic if swallowed or in contact with skin
- H301Toxic if swallowed
- H310Fatal in contact with skin
- 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
- H331Toxic if inhaled
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements 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, P319, P320, P321, P330, P333 + P317
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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