- Synonyms: Lacmus, Tournesol, Lacca musica- M = ~ 3300 g/mol- CAS [1393-92-6]- EINECS-No.: 215-739-6- Solub. in water: (20 ºC): soluble- Tariff number: 3203 00 19 00- Applications: indicatorSPECIFICATIONSpH range (red to blue): 4,5 - 8,3