Compound Q&A
What regulatory guidelines apply to Methylthymol blue sodium salt (CAS: 1945-77-3)?
Answer
Methylthymol blue sodium salt (CAS: 1945-77-3) falls under the classification of a pH indicator, which means it is subject to various regulatory guidelines. Under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), it is categorized as a Type 1 indicator. In the EU, it is covered by REACH regulations. Additionally, it is regulated by the FDA for use in pharmaceuticals and the EPA for environmental protection.
About
CAS No
1945-77-3
English Name
Methylthymol blue sodium salt
Molecular Formula
C37H40N2Na4O13S
Molecular Weight
844.7 g/mol
EINECS
217-743-3
SMILES
CC1=C(C=C(C(=C1CN(CC(=O)[O-])CC(=O)[O-])O)C(C)C)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C(=C(C(=C4)C(C)C)O)CN(CC(=O)[O-])CC(=O)[O-])C.[Na+].[Na+].[Na+].[Na+]
InChIKey
DIZZDZCUMBBRSG-UHFFFAOYSA-J
Last Updated: 2025-09-08 18:31
