Read more Sodium hydroxide (0.1 normal) Titrazole caustic soda 0.1 normal is actually the same tetrazol sodium hydroxide solution with a concentration of 0.1 normal. This product is a colorless aqueous solution that has a game property and has various uses in different chemical industries. This product is used for the titration of acidic solutions with an unknown concentration. To know the price and buy this product, contact the phone numbers of Maham Tejarat Pagdar Company. 01732220442 – 01732255539 02186053798 09903300609