Advanced Search
Chemicals
Search Lab Chemicals by Category
Advanced Search
New Products
LOBA TLC Sprayer
Mn Filter
R&D / GMP
Process R&D
Process R&D
Process Development
Contract Research
Validation Services
Chiral Chemistry
Flow Chemistry
Custom Synthesis
Contract Manufacturing
Contract Manufacturing
GMP Facility
Specialized Intermediates
List of Manufactured Products
Contact Us
Home
Lab Chemicals
pH Indicator (Solid)
PHENOLPHTHALEIN INDICATOR
PHENOLPHTHALEIN INDICATOR
3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
Article No.
05172
Grade
Purity
CAS No.
77-09-8
Molecular Formula
C
2
0
H
1
4
O
4
Molecular Weight
318.33
H.S. Code
2932.2090
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Solid
Colour
White powder
Odour
Odorless
Melting point/ Freezing point [°C]
261 - 263 °C
Density [g/cm3]
1.299
Solubility in water [% weight]
Slightly soluble in water
Packings
25 g
(00025)
50 g
(00050)
100 g
(00100)
500 g
(00500)
Specifications
Appearance
A white to off white powder
pH range (8.2 - 10.0)
Colourless to red-violet
Absorption maxima (buffer pH 9.8)
551 - 554 nm
Sensitivity
Passes test
Sulphated ash
Max 0.05%
Chloride (Cl)
Max 0.01%
Sulphate (SO4)
Max 0.01%
Loss on drying (at 110°C)
Max 1%
Safety Information and Hazard Symbols
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H341-H350-H361f
Precaution Statement: P201-P280-P308+P313
Revision Date :
24-May-2022