Merck
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1.59375

Supelco

Phenol red

(phenolsulfonphthalein) Reag. Ph Eur

Synonym(s):
Phenol red
Linear Formula:
(C6H4OH)2C7H4SO3
CAS Number:
Molecular Weight:
354.38
MDL number:
EC Index Number:
205-609-7

Agency

reag. Ph. Eur.

Quality Level

assay

98.0-102.0% (bromatometric, calculated on dried substance)

form

solid

loss

≤1.0% loss on drying, 105°C

mp

>300 °C

bulk density

200‑300 kg/m3

storage temp.

no temp limit

InChI

1S/C19H14O5S/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19/h1-12,20-21H

InChI key

BELBBZDIHDAJOR-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (bromatometric, calculated on dried substance): 98.0 - 102.0 %
Identity (UV/VIS-Spectrum): passes test
Identity (Color transition): passes test
Identity (Bromination): passes test
Insoluble substances: ≤ 0.5
Sulfated ash: ≤ 0.2
Loss on Drying (105°C): ≤ 1.0

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificate of Quality

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