Red 23 CAS 85-86-9
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R10 – Flammable R20 – Harmful by inhalation R36/38 – Irritating to eyes and skin. R36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 – Do not breathe dust. S24/25 – Avoid contact with skin and eyes. S36 – Wear suitable protective clothing. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| RTECS | QK4250000 |
| TSCA | Yes |
| HS Code | 32129000 |
| Toxicity | cyt-ham:ovr 20 mmol/L/5H-C ENMUDM 1,27,79 |
Introduction
Benzoazobenzoazo-2-naphthol is mainly used as a dye in industries such as textiles, inks and plastics. It can be used to dye fibrous materials such as cotton, linen, wool, etc. Its color stability is good and not easy to fade, so it is widely used in the field of textiles.
The method of preparing benzoazobenzobenzo-azo-2-naphthol is generally synthesized by azo reaction. Aniline is first reacted with nitric acid to form nitroaniline, and then reacted with naphtholl to form the target product, benzoazobenzo-azo-2-naphthol.
Safety information about benzoazobenzenezo-2-naphthol, it is a combustible substance and needs to be stored in a cool, ventilated place, away from fire sources and high temperatures. Appropriate personal protective equipment such as lab gloves, safety glasses, and lab coats should be worn during operation. As it is a chemical, the relevant safety operating procedures and procedures for disposing of waste should be followed.
