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Postion:Product Catalog >Biochemical Engineering>Biochemical Reagents>Acid-base indicator>Thymolphthalein
Thymolphthalein
  • Thymolphthalein
  • Thymolphthalein

Thymolphthalein NEW

Price $5 $3 $2
Package 1KG 10KG 50KG
Min. Order: 1KG
Supply Ability: 10000kg
Update Time: 2026-05-28

Product Details

Product Name: Thymolphthalein CAS No.: 125-20-2
EC-No.: 204-729-7 Min. Order: 1KG
Purity: 99% Supply Ability: 10000kg
Release date: 2026/05/28
package : bottle or bag shipping: by air by sea
payment : TT WU keywords : Thymolphthalein
keywords 2: 125-20-2 keywords 3: CAS 125-20-2
keywords 4: CAS 125-20-2 supplier in China sample: ok
Appearance : white crystals powder


High Quality Thymolphthalein CAS 125-20-2 with best price 


 Thymolphthalein CAS 125-20-2  Supplier in China 







hymolphthalein 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.
Specification
Item
Specifications
Results
Molecular Formilar
C28H30O4
Molecular Weight
430.54
Melting point/℃
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







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