As authority announced evacuation of three kilometer radius from epicenter

Firefighters are still battling new blazes at the site of Wednesday's massive chemical explosion at a logistic center in Tianjin

Chinese government has ordered the evacuation of the three-kilometer radius

around the site of Wednesday's chemical explosion in Tianjin

Due to hazardous chemicals in the area

The site in Tianjin housed to 700 tons of sodium cyanide

as well as sodium carbide and other chemicals

When firefighter sprayed water, it reacted with the chemicals causing sodium carbide to explode

growing sodium cyanide over a wild area

Sodium cyanide is extremely hazardous. In contact with water, it emits hydrogen cyanide

which is look good below 25.6 degree Celsius but boils into a gas above that temperature

Sodium cyanide and hydrogen cyanide are water-soluble and can be absorbed through the skin

Hydrogen cyanide gas is extremely lethal if inhaled

Sodium cyanide in hydrogen cyanide cause death by stopping any organs that contact from utilizing oxygen

Family members of the 95 people still missing after the blast

Including 85 firemen as well as of the over 700 injured

have accused the government of lacking transparency in dealing with the disaster

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