Methylchloroisothiazolinone (CAS 26172-55-4) — formula C4H4ClNOS, molecular weight 148.97 g/mol.
Methylchloroisothiazolinone (CAS 26172-55-4) is a chemical raw material. Its molecular formula C4H4ClNOS comprises 4 C, 4 H, 1 Cl, 1 N, 1 O, 1 S atoms. Its molecular weight is about 148.97 g/mol. Reported physicochemical data: melting point around 54-55 °C, LogP about log Kow = 0.401 at 24 °C. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 26172-55-4 |
|---|---|
| Molecular Formula | C4H4ClNOS |
| Molecular Weight | 148.97 g/mol |
| Melting Point | 54-55 °C |
| LogP | log Kow = 0.401 at 24 °C |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | Methylchloroisothiazolinone (CAS 26172-55-4) is a chemical raw material. Specific applications are confirmed per inquiry with supporting documents available on request. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering |
Documented applications: Methylchloroisothiazolinone (CAS 26172-55-4) is a chemical raw material. Specific applications are confirmed per inquiry with supporting documents available on request. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Methylchloroisothiazolinone is a chemical compound with CAS registry number 26172-55-4 and molecular formula C4H4ClNOS (molecular weight 148.97 g/mol).
CAS number: 26172-55-4
Its molecular formula C4H4ClNOS comprises 4 C, 4 H, 1 Cl, 1 N, 1 O, 1 S atoms.
Also known as: Methylchloroisothiazolinone · 异噻唑啉酮
The CAS registry number of Methylchloroisothiazolinone is 26172-55-4.
Molecular formula C4H4ClNOS, molecular weight 148.97 g/mol.
It is also registered under: Methylchloroisothiazolinone, 异噻唑啉酮.
Recorded applications: Methylchloroisothiazolinone (CAS 26172-55-4) is a chemical raw material. Specific applications are confirmed per inquiry with supporting documents available on request. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Methylchloroisothiazolinone (CAS 26172-55-4), compiled from public chemistry databases.
| CAS Registry Number | 26172-55-4 |
|---|---|
| PubChem CID | 33344 |
| Molecular formula | C4H4ClNOS |
| Molecular weight | 148.97 g/mol |
| IUPAC name | 5-chloro-2-methyl-1,2-thiazol-3-one |
| InChIKey | DHNRXBZYEKSXIM-UHFFFAOYSA-N |
| UNII (FDA) | DEL7T5QRPN |
| ChEBI ID | CHEBI:53621 |
| Molecular Weight | 149.60 |
|---|---|
| XLogP3 | 0.9 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 148.9702126 |
| Monoisotopic Mass | 148.9702126 |
| Topological Polar Surface Area | 45.6 |
| Heavy Atom Count | 8 |
| Melting Point | 54-55 °C |
|---|---|
| Solubility | In water, 706-751 g/L at 20 °C |
| Vapor Pressure | 0.018 mm Hg at 25 °C |
| LogP | log Kow = 0.401 at 24 °C |
5-Chloro-2-methyl-4-isothiazolin-3-one; 26172-55-4; Methylchloroisothiazolinone; CMIT; 5-Chloro-2-methyl-3(2H)-isothiazolone; 5-Chloro-2-methyl-3-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; DEL7T5QRPN; DTXSID9034286; 4-ISOTHIAZOLIN-3-ONE, 5-CHLORO-2-METHYL-
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Methylchloroisothiazolinone) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Preservative |
|---|---|
| GHS notification summary | 1.3% (31 / 2393) |
| GHS notification summary | 1.3% (31 / 2393) |
|---|---|
| Reported hazard statements | H300 (20.2%), H301, H311 (24%), H310 (31.2%), H314 (98.3%), H317 (98.4%), H318 (64.9%), H330 (38.7%) |
This chemical does not meet GHS hazard criteria for 1.3% (31 of 2393) of reports.
H300 (20.2%): Fatal if swallowed [Danger Acute toxicity, oral]
Methylchloroisothiazolinone is identified by CAS 26172-55-4, molecular formula C4H4ClNOS and molecular weight 148.97 g/mol. UNII DEL7T5QRPN; ChEBI 53621; InChIKey DHNRXBZYEKSXIM-UHFFFAOYSA-N. Melting Point: 54-55 °C; Solubility: In water, 706-751 g/L at 20 °C; Vapor Pressure: 0.018 mm Hg at 25 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 异噻唑啉酮