2-octyl-1,2-thiazol-3-one

C11H19NOS

CAS26530-20-1
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

Consulting for 2-octyl-1,2-thiazol-3-one

Our experts support you with application, dosage, and compliance.

Request Consultation

Identification

CAS Number
26530-20-1
EC Number
247-761-7
UN Number
2927
Index Number
613-112-00-5
PubChem CID
33528

Physical-chemical properties

Molecular Formula
C11H19NOS
Molar Mass
213.34 g/mol
IUPAC Name
2-octyl-1,2-thiazol-3-one

Chemical Identifiers

InChI
InChI=1S/C11H19NOS/c1-2-3-4-5-6-7-9-12-11(13)8-10-14-12/h8,10H,2-7,9H2,1H3
InChI Key
JPMIIZHYYWMHDT-UHFFFAOYSA-N

Overview

2-octyl-1,2-thiazol-3-one (CAS 26530-20-1) is a heterocyclic organosulfur compound with potent biocidal properties and significant toxicological hazards. This specialized chemical compound belongs to the thiazolone family and serves as an important active ingredient in various industrial preservation systems. With its molecular formula C11H19NOS and molecular weight of 213.34 g/mol, 2-octyl-1,2-thiazol-3-one demonstrates exceptional antimicrobial efficacy against a broad spectrum of microorganisms, making it particularly valuable in applications requiring long-lasting protection against bacterial and fungal contamination. The compound presents significant safety considerations that require careful handling protocols. Classified under ADR Class 6.1 and bearing the "Danger" signal word, it exhibits acute toxicity through multiple exposure routes and causes severe skin corrosion and eye damage. The substance is also a strong skin sensitizer and poses aquatic environmental hazards, as indicated by the GHS06, GHS05, and GHS09 pictograms. These characteristics necessitate appropriate personal protective equipment and specialized storage conditions. In industrial applications, 2-octyl-1,2-thiazol-3-one functions primarily as a preservative in metalworking fluids, where it prevents microbial degradation and extends operational life. It also finds use in paint and coating formulations as an in-can preservative, protecting products during storage and transport. The compound's effectiveness can be compared to other industrial biocides like 2,2-dibromo-2-cyanoacetamide, though each offers distinct performance characteristics for specific applications. OYSI maintains reliable supply chains for 2-octyl-1,2-thiazol-3-one, supporting European industrial customers with consistent availability and comprehensive technical support for safe handling and application optimization.

Safety & Classification

Danger
Classification:

Acute Tox. 2; Acute Tox. 3; Acute Tox. 3; Skin Corr. 1; Eye Dam. 1; Skin Sens. 1A; Aquatic Acute ...

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H330

Fatal if inhaled.

H311

Toxic in contact with skin.

H301

Toxic if swallowed.

H314

Causes severe skin burns and eye damage.

H318

Causes serious eye damage.

H317

May cause an allergic skin reaction.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Fatal

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Skin Contact

Toxic

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Toxic

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number2927
ADR Class6.1
Packing GroupII
Tunnel CodeD/E
Proper Shipping NameOcthilinon (ISO)
Marine PollutantNo

Frequently Asked Questions

What is 2-octyl-1,2-thiazol-3-one?

2-octyl-1,2-thiazol-3-one is an organic chemical compound with the molecular formula C11H19NOS and CAS number 26530-20-1. This thiazolone derivative has a molecular weight of 213.34 g/mol and features a thiazole ring structure with an octyl chain substituent. It is classified as a highly hazardous substance with significant toxicological properties, requiring careful handling and specialized safety measures in industrial applications.

What are the physicochemical properties of 2-octyl-1,2-thiazol-3-one?

2-octyl-1,2-thiazol-3-one is a chemical compound with molecular formula C11H19NOS and molecular mass of 213.34 g/mol. As a thiazolone derivative with a long alkyl chain, it typically exhibits limited water solubility due to its hydrophobic octyl group. The compound contains sulfur, nitrogen, and oxygen heteroatoms within its heterocyclic structure, which influences its chemical reactivity and physical characteristics.

What is 2-octyl-1,2-thiazol-3-one used for?

2-octyl-1,2-thiazol-3-one is primarily used as a biocide and preservative in industrial applications. Its antimicrobial properties make it effective against bacteria, fungi, and other microorganisms in various formulations. The compound is commonly employed in paint preservation, coating systems, and material protection applications where microbial growth control is essential. Its long alkyl chain enhances its effectiveness in hydrophobic environments and extends its antimicrobial activity duration.

How to handle 2-octyl-1,2-thiazol-3-one safely?

2-octyl-1,2-thiazol-3-one requires extreme caution during handling due to its acute toxicity and corrosive properties. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, face protection, and protective clothing to prevent skin and eye contact. Work must be conducted in well-ventilated areas or under fume extraction systems. Avoid inhalation, ingestion, and direct contact. Emergency eyewash stations and safety showers should be immediately accessible in work areas.

How to store 2-octyl-1,2-thiazol-3-one correctly?

2-octyl-1,2-thiazol-3-one must be stored in tightly sealed, chemically compatible containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Storage areas should be equipped with appropriate containment systems and restricted to authorized personnel only. Keep containers upright and properly labeled with hazard information. Avoid storage near oxidizing agents, strong acids, or bases. Regular inspection of containers for leaks or deterioration is essential for safe storage.

What to do in case of contact with 2-octyl-1,2-thiazol-3-one?

Immediate action is critical following contact with 2-octyl-1,2-thiazol-3-one due to its corrosive and toxic nature. For skin contact, immediately remove contaminated clothing and rinse affected area with copious amounts of water for at least 15 minutes. In case of eye contact, flush immediately with water for at least 15 minutes and seek immediate medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek emergency medical care immediately.

How to dispose of 2-octyl-1,2-thiazol-3-one appropriately?

2-octyl-1,2-thiazol-3-one must be disposed of as hazardous waste through licensed waste management companies in accordance with local and European waste regulations. The compound cannot be discharged into sewers, waterways, or regular waste streams due to its toxicity and environmental hazard classification. Contaminated containers, absorbent materials, and protective equipment also require hazardous waste disposal. Consult local environmental authorities for specific disposal requirements and approved waste treatment facilities.

How to transport 2-octyl-1,2-thiazol-3-one?

2-octyl-1,2-thiazol-3-one is classified as ADR Class 6.1 (toxic substances), Packing Group II, requiring specialized transport procedures. Transportation must comply with dangerous goods regulations using approved packaging, proper labeling with GHS pictograms (GHS06, GHS05, GHS09), and appropriate shipping documentation. Only certified carriers trained in hazardous material transport should handle shipments. Emergency response information must accompany all shipments, and specific routing restrictions may apply depending on local regulations.

Is 2-octyl-1,2-thiazol-3-one subject to specific regulations?

2-octyl-1,2-thiazol-3-one is subject to comprehensive chemical regulations including REACH registration requirements and CLP classification as a dangerous substance. The compound is not currently listed as an SVHC (Substance of Very High Concern) under REACH, but its classification requires compliance with worker protection, environmental discharge limits, and supply chain communication obligations. Users must ensure proper risk assessments, safety data sheet distribution, and implementation of appropriate risk management measures according to European chemical legislation.

Where to buy 2-octyl-1,2-thiazol-3-one in Europe?

2-octyl-1,2-thiazol-3-one is available through OYSI, a specialized European distributor of industrial chemicals. As a professional chemical supplier, OYSI provides this highly regulated substance to qualified industrial customers with appropriate handling capabilities and regulatory compliance. Purchase requires verification of end-use applications and proper safety management systems due to the compound's hazardous classification. Contact OYSI directly for availability, technical specifications, and regulatory documentation requirements for your specific application.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.