The Tianjin explosion caused the price of cyanide dyes to rise
Release Time:
2015-08-26 18:46
Source:
Dye Circle
The Tianjin explosion accident caused the leakage of the highly toxic intermediate sodium cyanide, leading to strict controls on cyanide production across various regions, and the price of cyanide dyes rose accordingly.
Among them, disperse dyes include:
Disperse Brilliant Blue CRE (B366#)
Disperse Blue BBLS (B165#)
Disperse Red F-3BS (R343#)
Disperse Red S-BWF (R356#)
Indirectly affects reactive dyes using trichlorocyanuric acid as raw material
Reactive Red 3BS
Reactive Yellow 6GS
Reactive Blue P-3R (B49#)
Reactive Navy BF (B222#)
Reactive Violet K-3R (V2#)
Even trichlorocyanuric acid direct dyes and optical brighteners
Direct Brilliant Red D-5BL
Direct Yellow RL
Direct Yellow L-5R
Optical Brightener (220)
According to China Daily, more than 700 tons of the highly toxic intermediate sodium cyanide at the Tianjin explosion site have partially leaked. After the accident, Beijing's safety supervision department immediately halted production at toxin-related enterprises, and strict controls on sodium cyanide production began nationwide. Subsequently, the difficulty of purchasing cyanide will greatly increase, and manufacturers producing cyanide will raise cyanide prices accordingly. Notable manufacturer: Hebei Chengxin Chemical Co., Ltd.
Related links
Trichlorocyanuric acid
Trichlorocyanuric acid is an important fine chemical product with a wide range of uses. It is a raw material for manufacturing reactive dyes and an intermediate in the pesticide industry. It can be used to produce various additives in organic industrial production, such as optical brighteners, textile anti-shrink agents, surfactants, and more.
The production of trichlorocyanuric acid typically uses the sodium cyanide method: sodium cyanide reacts with chlorine gas to produce chlorocyanuric acid, which is then polymerized to form trichlorocyanuric acid. The product is obtained through rapid cooling and crystallization.
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