2-Octyl-4-isothiazolin-3-one (CAS 26530-20-1) — formula C11H19NOS, molecular weight 213.34; category organic chemicals.
2-Octyl-4-isothiazolin-3-one (CAS 26530-20-1) is a chemical raw material in the organic chemicals category. Its molecular formula C11H19NOS comprises 11 C, 19 H, 1 N, 1 O, 1 S atoms. Its molecular weight is about 213.34. Reported physicochemical data: melting point around 15 °C at 101.325 kPa, boiling point around 248 °F at 0.01 mmHg (NTP, 1992), LogP about log Kow = 2.45 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 | 26530-20-1 |
|---|---|
| Molecular Formula | C11H19NOS |
| Molecular Weight | 213.34 |
| Melting Point | 15 °C at 101.325 kPa |
| Boiling Point | 248 °F at 0.01 mmHg (NTP, 1992) |
| LogP | log Kow = 2.45 at 24 °C |
| Applications | preservative in polishes, paints, cleaners, adhesives, and metalworking fluids, Also used in wood and leather preservatives |
| Category | Organic Chemicals |
Documented applications: preservative in polishes, paints, cleaners, adhesives, and metalworking fluids, Also used in wood and leather preservatives.
2-Octyl-4-isothiazolin-3-one is a carbon-based organic compound with CAS registry number 26530-20-1 and molecular formula C11H19NOS (molecular weight 213.34), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 26530-20-1
Its molecular formula C11H19NOS comprises 11 C, 19 H, 1 N, 1 O, 1 S atoms.
Also known as: 2-Octyl-4-isothiazolin-3-one
Category: organic chemicals
The CAS registry number of 2-Octyl-4-isothiazolin-3-one is 26530-20-1.
Molecular formula C11H19NOS, molecular weight 213.34.
It is also registered under: 2-Octyl-4-isothiazolin-3-one.
Recorded applications: preservative in polishes, paints, cleaners, adhesives, and metalworking fluids, Also used in wood and leather preservatives.
Category: Organic Chemicals.
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 2-Octyl-4-isothiazolin-3-one (CAS 26530-20-1), compiled from public chemistry databases.
| CAS Registry Number | 26530-20-1 |
|---|---|
| PubChem CID | 33528 |
| Molecular formula | C11H19NOS |
| IUPAC name | 2-octyl-1,2-thiazol-3-one |
| UNII (FDA) | 4LFS24GD0V |
| Molecular Weight | 213.34 |
|---|---|
| XLogP3 | 3.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 7 |
| Exact Mass | 213.11873540 |
| Monoisotopic Mass | 213.11873540 |
| Topological Polar Surface Area | 45.6 |
| Heavy Atom Count | 14 |
| Boiling Point | 248 °F at 0.01 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | BP: 120 °C at 0.01 mm Hg |
| Melting Point | 15 °C at 101.325 kPa |
| Density | 1.03 |
| Vapor Pressure | 2.98 mmHg at 77 °F (NTP, 1992) |
| Vapor Pressure | 0.0000368 [mmHg] |
| Vapor Pressure | 3.68X10-5 mm Hg (4.9 mPa) at 25 °C |
| LogP | log Kow = 2.45 at 24 °C |
| LogP | 2.45 |
| Viscosity | 48.04 sq mm.s at 20 °C; 17.94 sq mm.s at 30 °C |
Octhilinone; 26530-20-1; 2-n-Octyl-4-isothiazolin-3-one; 2-Octyl-4-isothiazolin-3-one; Pancil; 2-Octyl-2H-isothiazol-3-one; 2-Octyl-3-isothiazolone; 2-Octyl-3(2H)-isothiazolone; Skane 8; Micro-chek skane; 3(2H)-Isothiazolone, 2-octyl-; Pancil-T; Kathon LM; Microbicide M-8; Micro-chek 11; Micro-chek 11D
| Regulatory & Food Contact | FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS 2-n-octyl-4-isothiazolin-3-one(OIT) (CAS Reg. No. 26530-20-1) The FCS is intended for use as an antimicrobial active ingredient of industrial technical formulations for use 2-n-octyl-4-isothiazolin-3-one (CAS Reg. No. 26530-20-1) |
|---|---|
| GHS notification summary | 0.1% (1 / 1404) |
| GHS notification summary | 0.1% (1 / 1404) |
|---|---|
| Reported hazard statements | H301, H311, H314, H317, H318, H330, H400, H410 |
H301: Toxic if swallowed [Danger Acute toxicity, oral]
H311: Toxic in contact with skin [Danger Acute toxicity, dermal]
N-Octyl-4-isothiazolin-3-one · CAS 26530-20-1 · C11H19NOS. UNII 4LFS24GD0V. Boiling Point: 248 °F at 0.01 mmHg (NTP, 1992); Boiling Point: BP: 120 °C at 0.01 mm Hg; Melting Point: 15 °C at 101.325 kPa.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.