The systematic name of Litmus is Litmus. With the CAS registry number 1393-92-6, it is also named as Tornasol. The product's categories are Titration; J-K-LTitration; PH Indicators - Solids; Indicators; Stains and Dyes; Stains & Dyes, A to. Besides, it is blue powder, which should be stored in  tightly sealed containers in a cool, dry place. And you should ensure that the workplaces have good ventilated or exhaust devices. In addition, it is stable, and incompatible with strong oxidizing agents.

Preparation and Uses of Litmus: this chemical is a water-soluble mixture of different dyes extracted from lichens, especially Roccella tinctoria. It also can be produced by the reaction of o-Sulfonylbenaylsuamine with Pyrocatechol. Additionally, this chemical can be used to test whether the solution is acidic or alkaline. Under acidic conditions the solution is red, and under basic conditions the solution is blue.

When you are using this chemical, please be cautious about it as the following: it is irritating to eyes, respiratory system and skin. Limited evidence of a carcinogenic effect. In case of contact with eyes, please rinse immediately with plenty of water and seek medical advice. And you should wear suitable protective clothing and gloves to avoid contact with skin and eyes.