Chemical Reagent pH Indicator 99% Thymolphthalein CAS 125-20-2

• Customization: Available
• CAS No.: 125-20-2
• Formula: C28h30o4
• Model NO.: 99%
• EINECS: 204-729-7
• Classification: Organic Analytical Reagents
• Grade: AR
• Specific Usage: For Tissue Medium Purpose, For Microbiological, Technical Grade
• Content: Standard
• Usage: Analytical Reagents, Diagnostic Reagents
• Source: Imported Reagents
• Habit Appellation: Chemical Medicine
• Application: Scientific Research, Environmental Protection
• Property: Organic Reagent
• Transport Package: PP Bag
• Specification: 99% min
• Trademark: SWC
• Origin: China

Product Description

Product Description

Thymolphthalein

Thymolphthalein is a kind of PH indicator.

It is a white to off white powder, insoluble in water.

The range of PH change is 9.4-10.6, and the color changes from colorless to blue.

It is also often combined with other indicators to form a gentle indicator, which makes the color change range narrower and the observation clearer.

Product Parameters

Specification

Item	Specifications	Results
Molecular Formilar	C28H30O4
Molecular Weight	430.54
Melting point/ºC	251.0-255.0	253
PH changerange	9.3(Colorless)--10.5(Blue)	Confirms
Ethanol dissolution test	Pass	Pass
ignition residue(Sulfate)≤	0.1	0.08

Packaging & Shipping

Packing and Storage
Packing  In 25kgs cardboard drum.
Storage  Keep container tightly closed in a dry and well-ventilated place.
 

Safety Information

 

Safety Information
Non-hazardous for air, sea and road freight.
Detailed safety information is contained in each Material Safety Data Sheet, which can be obtained from our company.