2-octyl-1,2-thiazol-3-one
C11H19NOS
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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 toxicity classification. This thiazolone derivative represents an important class of antimicrobial agents widely utilized in industrial preservation applications. With the molecular formula C11H19NOS and a molecular weight of 213.34 g/mol, this compound features a five-membered thiazole ring structure substituted with an octyl chain, which contributes to its lipophilic characteristics and enhanced penetration properties. The European classification number EC 247-761-7 identifies this substance as requiring careful handling protocols due to its significant hazard profile. The compound carries multiple serious hazard classifications including acute toxicity categories 2 and 3, skin corrosion category 1, and severe eye damage classification. These properties necessitate stringent safety measures during handling, storage, and application. The presence of GHS pictograms GHS06 (skull and crossbones), GHS05 (corrosion), and GHS09 (environmental hazard) with the signal word "Danger" emphasizes the critical importance of proper protective equipment and training. Transportation regulations classify it under ADR class 6.1 for toxic substances. Primary industrial applications include use as a preservative in metalworking fluids, paint formulations, and various industrial processes where microbial control is essential. Unlike simpler biocides such as 2,2-dibromo-2-cyanoacetamide, the octyl-substituted thiazolone offers enhanced stability and broader spectrum antimicrobial activity. The compound's efficacy against bacteria, fungi, and algae makes it particularly valuable in applications requiring long-term preservation. OYSI maintains availability of 2-octyl-1,2-thiazol-3-one for qualified industrial customers with appropriate handling capabilities and regulatory compliance.
Safety & Classification
Acute Tox. 2; Acute Tox. 3; Acute Tox. 3; Skin Corr. 1; Eye Dam. 1; Skin Sens. 1A; Aquatic Acute ...
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
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
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
Measures if substance contacts the skin
Eye Contact
Measures if substance gets into the eyes
Ingestion
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 Number | 2927 |
| ADR Class | 6.1 |
| Packing Group | II |
| Tunnel Code | D/E |
| Proper Shipping Name | Octhilinon (ISO) |
| Marine Pollutant | No |
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 thiazole derivative features a five-membered heterocyclic ring containing nitrogen and sulfur atoms, with an octyl chain substituent. With a molecular weight of 213.34 g/mol, it belongs to the thiazolone family of compounds and exhibits significant biological activity, making it useful in various industrial applications.
What are the physicochemical properties of 2-octyl-1,2-thiazol-3-one?
2-octyl-1,2-thiazol-3-one is typically a liquid or low-melting solid at room temperature due to its organic structure and octyl chain. The compound contains both hydrophilic (thiazole ring) and lipophilic (octyl chain) components, affecting its solubility profile. Its molecular structure with sulfur and nitrogen heteroatoms influences its chemical reactivity and stability. Specific physical properties like exact melting point, boiling point, and detailed solubility data should be confirmed through technical documentation.
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 metalworking fluids, paints, coatings, adhesives, and cosmetic products to prevent microbial growth and extend shelf life. Its broad-spectrum activity and stability make it valuable for industrial preservation applications where microbial control is essential.
How to handle 2-octyl-1,2-thiazol-3-one safely?
2-octyl-1,2-thiazol-3-one requires careful handling due to its classification as Acute Tox. 2-3, Skin Corr. 1, Eye Dam. 1, and Skin Sens. 1A. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Work in well-ventilated areas or use local exhaust ventilation. Avoid inhalation, ingestion, and direct contact. Emergency eyewash and shower facilities should be readily accessible when working with this corrosive substance.
How to store 2-octyl-1,2-thiazol-3-one properly?
2-octyl-1,2-thiazol-3-one should be stored in tightly sealed, corrosion-resistant containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep away from strong acids, bases, and oxidizing agents to prevent dangerous reactions. Storage areas should be equipped with appropriate spill containment measures and maintained at stable temperatures. Ensure containers are properly labeled and stored according to local chemical storage regulations, separating from food, feed, and drinking water.
What to do in case of contact with 2-octyl-1,2-thiazol-3-one?
2-octyl-1,2-thiazol-3-one contact requires immediate action due to its corrosive nature. For skin contact, immediately remove contaminated clothing and flush affected area with plenty of water for at least 15 minutes. For eye contact, rinse immediately with water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air and seek medical care if symptoms develop. If swallowed, do not induce vomiting and seek immediate medical attention. Always consult a physician after significant exposure.
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 in accordance with local, national, and international regulations. The substance cannot be discharged into sewers, waterways, or regular waste streams due to its toxic and environmentally hazardous properties. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Empty containers should also be handled as hazardous waste. Always check current waste classification codes and disposal requirements with local environmental authorities before disposal.
How to transport 2-octyl-1,2-thiazol-3-one?
2-octyl-1,2-thiazol-3-one is classified under ADR Class 6.1 (Toxic substances), Packing Group II, indicating significant transport hazards. Transportation requires appropriate dangerous goods packaging, labeling with GHS06, GHS05, and GHS09 pictograms, and proper shipping documentation. Vehicles must display required placards and drivers need dangerous goods training certification. Packages must be secured to prevent damage during transport and emergency response information must be readily available throughout the transportation process.
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 in Europe and CLP classification obligations. While not currently listed as a SVHC (Substance of Very High Concern), its hazard classifications require compliance with occupational safety regulations, environmental protection laws, and biocide legislation where applicable. Users must maintain safety data sheets, implement risk management measures, and comply with notification requirements for professional and industrial use applications.
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 technical chemicals and industrial raw materials. OYSI provides reliable supply of quality chemicals with proper documentation, safety data sheets, and regulatory compliance support across European markets. As a professional chemical distributor, OYSI ensures appropriate packaging, handling, and delivery of hazardous substances while meeting all transportation and safety requirements for this regulated chemical compound.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.