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THYMOLPHTHALEIN, ACS 50 G

Brands: SIGMA-ALDRICH
Rp 3.885.000

Thymolphthalien is an acid-base indicator which is colourless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink.

grade

ACS reagent

Quality Level

200

form

solid

technique(s)

UV/Vis spectroscopy: suitable
titration: suitable

ign. residue

≤1%

mp

248-254 °C
251-253 °C (lit.)

SMILES string

CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C

InChI

1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3

InChI key

LDKDGDIWEUUXSH-UHFFFAOYSA-N

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PT. Multi Medika Laboratory

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