Thymol blue sodium / thymol sulfonphthalein sodium / thymol blue sodium salt / thymol blue

English name：Thymol Blue sodium salt；Thymolsulfonphthalein sodium salt；Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)phenolate) S,S-dioxide

Other names: thymol blue sodium; Sodium thymol blue; Thymol sulfonphthalein sodium;  Thymol blue sodium salt; Thymol blue; Daphnetin sulfonphthalein

CAS No.: 62625-21-2

C27H29NaO5S=488.57

Grade: ind

Content: ≥ 98.0%

Melting point: 283 ～ 285 ℃

Solubility: 95% ethanol: 10 mg / ml, clear, dark green

PH color change range: 1.2 (red) ～ 2.8 (yellow); 8.0 (yellow) ～ 9.2 (blue)

Physicochemical properties: reddish brown or dark orange to dark green or brownish black powder, density 1.979g/ml, dissolved in 95% ethanol to obtain dark green solution

Purpose: biochemical research. Acid base indicator; Adsorption indicator

Saving: RT