Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Benzothiazole
Alias: 1,3-Benzothiazole; Benzo[d]thiazole
CAS No.: 95-16-9
EINECS No.: 202-396-2
Molecular Formula: C?H?NS
Molecular Weight: 135.19 g/mol
Classification: Heterocyclic compound; Aromatic nitrogen-sulfur heterocycle; Organic synthetic intermediate; Fine chemical; Rubber additive; Pharmaceutical intermediate
Physical & Chemical Properties
Appearance: Colorless to pale yellow oily liquid
Density: 1.242 g/mL (25 °C)
Melting Point: 2 °C
Boiling Point: 227–228 °C
Refractive Index: 1.6380 (n20/D)
Flash Point: 101 °C
Solubility: Slightly soluble in water; Miscible with ethanol, ether, chloroform, benzene and most organic solvents
Stability: Stable under normal conditions; Avoid strong oxidizing agents and strong acids
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Benzothiazole | — | Benzo[d]thiazole |
| CAS Number | 95-16-9 | — | Heterocyclic raw material |
| Appearance | Colorless to pale yellow oily liquid | — | Characteristic odor |
| Molecular Formula | C?H?NS | — | N,S-heterocycle |
| Molecular Weight | 135.19 | g/mol | — |
| Boiling Point | 227–228 | ℃ | Lit. |
| Purity | ≥99.0 | % | GC |
Main Uses
- Organic synthesis intermediate for pharmaceuticals, pesticides and dyestuffs
- Widely used in rubber industry as vulcanization accelerator and antioxidant
- Raw material for synthesizing fluorescent whitening agents, corrosion inhibitors and bactericides
- Applied in fine chemical synthesis and laboratory research reagents
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