Description and Use. Sodium Azide is a colorless to white, odorless, crystalline. solid. It is highly soluble in water which may result in the vapor. of Hydrazoic Acid being present where Sodium Azide is. handled. It is used in making chemicals, as a preservative in. diagnostic medicines and blood tests, as a herbicide, fungicide.
The average overnight temperature in Alicante during December is around 7Â°C so you'll need to rug up at night since the temperatures drop quite fast after sunset. You may even see some early morning fog and frost patches the night after a cold front has moved through the region.
Averages for Barcelona in December. In the month of December, the weather drops to even colder conditions than those experienced in November in the city. For this reason, if you are hoping for a beach holiday, December probably is not the best time for you to visit Barcelona! December is actually one of the coldest months of the year in Barcelona.