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VAQORAAnalytical ReagentsAvailable on request
Methylchloroisothiazolinone
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
CAS No.26172-55-4
FormulaC4H4ClNOS
Mol. weight149.60
Catalogue No.VQ-039108
PurityOn COA
HSN—
Methylchloroisothiazolinone (CAS 26172-55-4) – analytical reagent. C4H4ClNOS, MW 149.6. From Vaqora Chemicals, with COA and worldwide delivery.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Methylchloroisothiazolinone
Listed under CAS 26172-55-4, Methylchloroisothiazolinone is an analytical reagent available from Vaqora Chemicals. Formula C4H4ClNOS, molecular weight 149.6 g/mol. The IUPAC name is 5-chloro-2-methyl-1,2-thiazol-3-one. Common synonyms include 5-Chloro-2-methyl-3-isothiazolone and 5-Chloro-2-methyl-4-isothiazolin-3-one.
Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 13 hazard statements. Review the Safety Data Sheet before use.
It is commonly used for agrochemical formulations and laboratory analysis. Our customers for this product work in academic and industrial research and agrochemical production.
Available in 100 mg, 250 mg, 1 g and 5 g packs, Methylchloroisothiazolinone is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.
Typical applications
- Agrochemical formulations
- Laboratory analysis
Industries
Specifications & identifiers
| Product name | Methylchloroisothiazolinone |
|---|---|
| Catalogue No. | VQ-039108 |
| CAS Number | 26172-55-4 |
| IUPAC name | 5-chloro-2-methyl-1,2-thiazol-3-one |
| Molecular formula | C4H4ClNOS |
| Molecular weight | 149.6 g/mol |
| Exact mass | 148.9702 |
| InChIKey | DHNRXBZYEKSXIM-UHFFFAOYSA-N |
| SMILES | CN1C(=O)C=C(S1)Cl |
| PubChem CID | 33344 |
| Physical form | Other |
|---|---|
| LogP (XLogP3) | 0.9 |
| H-bond donors / acceptors | 0 / 2 |
| TPSA | 45.6 Ų |
| 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 |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H300Fatal if swallowedH301+H311Toxic if swallowed or in contact with skinH301Toxic if swallowedH310Fatal in contact with skinH311Toxic in contact with skinH314Causes severe skin burns and eye damageH317May cause an allergic skin reactionH318Causes serious eye damageH330Fatal if inhaledH331Toxic if inhaledH335May cause respiratory irritationH400Very toxic to aquatic lifeH410Very 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Methylchloroisothiazolinone?
The CAS Registry Number of Methylchloroisothiazolinone is 26172-55-4. It is also known as 5-Chloro-2-methyl-3-isothiazolone, 5-Chloro-2-methyl-4-isothiazolin-3-one, 5-Chloro-2-methyl-3(2H)-isothiazolone.
What is the molecular formula and molecular weight of Methylchloroisothiazolinone?
Methylchloroisothiazolinone has the molecular formula C4H4ClNOS and a molecular weight of 149.6 g/mol. Its IUPAC name is 5-chloro-2-methyl-1,2-thiazol-3-one.
Which grade and pack sizes of Methylchloroisothiazolinone can I order?
We supply Methylchloroisothiazolinone, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Methylchloroisothiazolinone?
Yes. Every lot of Methylchloroisothiazolinone is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Methylchloroisothiazolinone be shipped internationally?
Yes. Methylchloroisothiazolinone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Methylchloroisothiazolinone
We reply within one business day with price, pack options, lead time and documentation.
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