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Merck
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Key Documents

PX0520

Supelco

Phenolphthalein

pH indicator, ACS, GR ACS

Synonym(s):

Phenolphthalein, Feen-A-Mint Gum

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About This Item

Empirical Formula (Hill Notation):
C20H14O4
CAS Number:
Molecular Weight:
318.32
MDL number:
UNSPSC Code:
12171502
EC Index Number:
201-004-7

Product Name

Phenolphthalein, Meets ACS Specifications GR ACS

vapor pressure

<0.00001 Pa ( 50 °C)

visual transition interval

8.2-9.8, colorless to red-violet

mp

263.7 °C

solubility

3.36 mg/L

shipped in

ambient

storage temp.

room temp

InChI

1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H

InChI key

KJFMBFZCATUALV-UHFFFAOYSA-N

Application

Meets ACS Specifications GR ACS

Analysis Note

Clarity of alcohol solution (10 g/l ethanol): Clear to not more than a faint trace of turbidity
Transition range (according to ACS): passes test / pH 8.2 - pH 9.8 colorless-red-violet

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Carc. 1B - Muta. 2 - Repr. 2 - Skin Irrit. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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