2-Aminobenzothiazole

CAS Number
136-95-8
EC Number
205-268-4

What is 2-Aminobenzothiazole?

2-Aminobenzothiazole (CAS 136-95-8), also known commercially as 2-Benzothiazolamine, is a heterocyclic aromatic compound used as a chemical intermediate and curing agent.

Where is 2-Aminobenzothiazole used?

  • Rubber and tire production: precursor to sulfenamide-class accelerators
  • Textile and leather processing: synthesis of azo dyes and optical brighteners
  • Specialty pigments: heterocyclic chromophore systems for industrial coatings and printing inks
  • Agrochemical and pharmaceutical synthesis: intermediate
  • Its reactive amine group makes it a building block for accelerators, dyes, and pigment systems.

Commercial specifications

  • Technical grade standard; high-purity grades for synthesis and research
  • Packaging from kilogram quantities to multi-tonne bulk supply

Other Names (Synonyms)

benzo[d]thiazol-2-amine|RefChem:465100|2-Benzothiazolamine|1,3-Benzothiazol-2-amine|Benzothiazol-2-ylamine|2-Aminobenzthiazole|Benzothiazole-2-ylamine|Benzothiazole, 2-amino-

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What are the physical properties of 2-Aminobenzothiazole?

Melting Point 132 °C
Boiling Point 190-195 °C @ Press: 0.05 Torr
Density 1.2162 (rough estimate)
Appearance BEIGE TO GREYISH POWDER OR FLAKES
Color Beige to grayish
Form Powder or Flakes
Water Solubility <0.1 g/100 mL at 19 ºC
Refractive Index 1.5500 (estimate)

How is 2-Aminobenzothiazole classified and handled safely? Learn More

Warning
GHS07· Irritant GHS09· Environmental Hazard

Hazard Statements

H302 Harmful if swallowed
H319 Causes serious eye irritation
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

Precautionary Statements

P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Which trade and regulatory codes apply to 2-Aminobenzothiazole?

HS Code 29342080
UN Number 2811
ADR Class 6.1
Packing Group III
Storage Class 11 - Combustible Solids
WGK (Germany) 2
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