Audited Supplier
IND
125-20-2
C28h30o4
204-729-7
Organic Analytical Reagents
Ind
For Biological Purpose
99%
Laboratory Reagents
Concrete
Special Reagent
Scientific Research
Organic Reagent
251-253
430.544
White Powder
Insoluble
571.6
Sinochembt
25 Kgs Fiber Drums
1kg 5kg 25kgs
Shenyang
2932209090
Product Description
Thymolphthalein is a phthalein dye used as an acid-base (pH) indicator.
Its transition range is around pH 9.3-10.5. Below this pH, it is colorless; above, it is blue.
Its transition range is around pH 9.3-10.5. Below this pH, it is colorless; above, it is blue.
| Items: | Requirements: | Results: |
| Melting range ºC | 251.0-255.0 | 252 |
| PH Change Range | 9.3(Colorless)-10.5(Blue) | Qualified |
| Solubility in alcohol | Clear | Qualified |
| Sulfated ash, percent | 0.1% Max | 0.08% |
| Solubility | Qualified | Qualified |
