Phenolphthalein 10g
40408-10g
Phenolphthalein LR
Code 40408
Formula C20H14O4 Molecular weight/mass 318.32
pH indicator
| Phenolphthalein | ||
| below pH 8.3 colourless | above pH 10.0 bright pink | |
| 8.3 | ⇌ | 10.0 |
Phenolphthalein's common use is as an indicator in acid-base titrations. It also serves as a component of universal indicator, together with methyl red, bromothymol blue, and thymol blue.
CAS 77-09-8
Assay. . . . . .98% min
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
Shelf life 5 years
Unit Qty: eaAvailability: 5 in stock
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