Which gas leaked in vizag? & How does it react with Human body

You must have heared the recent news of vizag gas leakage. At least 11 people, including a child, were killed and over 1,000 are sick after gas leaked overnight ( Data – as on 7th May) at a chemical plant in Andhra Pradesh’s Vishakhapatnam.

The gas which was leaked from this chemical plant was Styrene.(chemical formula C8H8)


It is a monomer of polystyrene (Rubber) used in manufacturing of Polydiene Rubber.

Gaseous form of styrene can have a severe affect on human body.

However, the most common health problems associated with exposure to styrene include:

  • Respiratory problems such as mucous membrane irritation,
  • eye irritation
  • Gastrointestinal effects
  • Effects on the central nervous system
  • Tiredness
  • Balance problems

Hearing loss, sperm damage, have been observed in animals exposed to styrene at high concentration levels. Animal studies have also shown that inhalation of styene can cause damage to the liver and changes in the lining of the nose.

Styrene has been listed as ‘reasonably anticipated to be a human carcinogen’ in the Report on Carcinogens, Twelfth Edition, released on June 10, 2011, by the Department of Health and Human Services (DHHS), National Toxicology Program (NTP).

Preventive Measures Need to be taken :