1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate

C9H6N2S3

CAS21564-17-0
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
21564-17-0
EC Number
244-445-0
UN Number
2902
Index Number
613-119-00-3
PubChem CID
30692

Physical-chemical properties

Molecular Formula
C9H6N2S3
Molar Mass
238.40 g/mol
IUPAC Name
1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate

Chemical Identifiers

InChI
InChI=1S/C9H6N2S3/c10-5-12-6-13-9-11-7-3-1-2-4-8(7)14-9/h1-4H,6H2
InChI Key
TUBQDCKAWGHZPF-UHFFFAOYSA-N

Overview

1,3-Benzothiazol-2-ylsulfanylmethyl thiocyanate (CAS 21564-17-0) is an organosulfur compound featuring both benzothiazole and thiocyanate functional groups with significant industrial applications. This specialized chemical compound, with the molecular formula C9H6N2S3 and molecular weight of 238.4 g/mol, represents a unique class of heterocyclic organosulfur compounds combining benzothiazole and thiocyanate moieties. The EC number 244-445-0 identifies this substance within European chemical regulations, where it is classified under multiple hazard categories requiring careful handling protocols. The compound exhibits significant toxicological properties, classified as Acute Tox. 2 and Acute Tox. 4, indicating high acute toxicity through multiple exposure routes. Additional hazard classifications include skin irritation (Skin Irrit. 2), eye irritation (Eye Irrit. 2), and skin sensitization (Skin Sens. 1), necessitating appropriate personal protective equipment during handling. Environmental concerns are highlighted by its Aquatic Acute 1 classification, indicating high toxicity to aquatic organisms. The GHS06 and GHS09 pictogrammes reflect both the acute toxicity and environmental hazards, while the ADR class 6.1 classification governs its transportation as a toxic substance. Industrial applications primarily focus on specialized chemical synthesis where the unique combination of benzothiazole and thiocyanate functionalities provides specific reactivity patterns. The compound serves as an intermediate in pharmaceutical synthesis and as a specialized reagent in organic chemistry applications. Its structural similarity to compounds like phenylhydrazine makes it valuable in certain synthetic pathways requiring nitrogen-sulfur heterocyclic systems. OYSI maintains technical-grade inventory of 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate to support specialized industrial applications across Europe, with comprehensive safety documentation and regulatory compliance support.

Safety & Classification

Danger
Classification:

Acute Tox. 2 *; Acute Tox. 4 *; Skin Irrit. 2; Eye Irrit. 2; Skin Sens. 1; Aquatic Acute 1; Aquat...

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H330

Fatal if inhaled.

H302

Harmful if swallowed.

H315

Causes skin irritation.

H319

Causes serious eye irritation.

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

Irritant

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

Irritant

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

Harmful

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 Number2902
ADR Class6.1
Packing GroupII
Tunnel CodeD/E
Proper Shipping Name(Benzothiazol-2-ylthio)methylthiocyanat
Marine PollutantNo

Frequently Asked Questions

What is 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate is an organosulfur compound with the molecular formula C9H6N2S3 and CAS number 21564-17-0. This chemical features a benzothiazole ring system linked to a thiocyanate group through a sulfanylmethyl bridge. With a molecular weight of 238.4 g/mol, it belongs to the class of heterocyclic compounds containing both nitrogen and sulfur atoms, making it valuable in various chemical applications.

What are the physicochemical properties of 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate is a solid compound at room temperature with a molecular weight of 238.4 g/mol. The presence of multiple sulfur atoms and the benzothiazole ring system suggests limited water solubility but good solubility in organic solvents. Its structure indicates potential stability under normal conditions, though specific melting point, boiling point, and density data would require analytical determination for precise characterization.

What is 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate used for?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate is primarily used as an intermediate in organic synthesis and pharmaceutical research. Its benzothiazole structure makes it valuable in the development of antimicrobial agents, fungicides, and other bioactive compounds. The compound may also serve as a building block in the synthesis of more complex heterocyclic molecules for agrochemical and pharmaceutical applications, particularly where sulfur-containing heterocycles are required.

How to handle 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate safely?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate requires careful handling due to its classification as Acute Tox. 2 and 4, with 'Danger' signal word and GHS06 pictogram. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and lab coats. Work in well-ventilated areas or under fume hoods to avoid inhalation. Prevent skin and eye contact as the substance causes skin and eye irritation and may cause skin sensitization.

How to store 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate correctly?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers upright and properly labeled. Store away from oxidizing agents, strong acids, and bases. Due to its toxicity classification, ensure storage in designated areas with restricted access and appropriate safety measures. Regularly inspect containers for damage or leakage.

What to do in case of contact with 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate?

In case of skin contact with 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate, immediately remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with clean water for 15-20 minutes while holding eyelids open. If inhaled, move to fresh air immediately. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always seek professional medical advice for any exposure incident.

How to dispose of 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate properly?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate must be disposed of as hazardous waste according to local, national, and EU regulations. Due to its toxicity and environmental hazard classification (Aquatic Acute 1), it cannot be disposed of in regular waste streams. Contact licensed hazardous waste disposal companies for proper treatment. Contaminated containers should also be treated as hazardous waste. Never discharge into sewers, waterways, or soil.

How to transport 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate is classified under ADR Class 6.1 (toxic substances), Packing Group II, indicating moderate toxicity requiring special transport precautions. Packages must be properly labeled with appropriate hazard labels and UN identification numbers. Transportation must comply with ADR regulations for dangerous goods, including proper packaging, documentation, and vehicle requirements. Only trained personnel should handle transportation, and emergency response information must be available during transport.

Is 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate subject to specific regulations?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate is subject to various European regulations including REACH registration requirements and CLP classification for hazard communication. While not currently listed as a SVHC (Substance of Very High Concern), its toxic and environmentally hazardous properties require compliance with occupational safety regulations and environmental protection laws. Users must ensure proper risk assessments, safety data sheet provisions, and worker protection measures are implemented according to EU chemical legislation.

Where to buy 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate in Europe?

1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate is available through OYSI, a specialized European distributor of fine chemicals and research compounds. As a professional chemical distributor, OYSI ensures proper handling, documentation, and regulatory compliance for this hazardous substance. Contact OYSI directly for availability, specifications, and technical support. Due to the substance's toxicity classification, purchases may be restricted to qualified industrial users and research institutions with appropriate safety facilities and expertise.

Data Sources

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