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Wholesale Price Thymolphthalein 99% for pH Indicator CAS 125-20-2
| Price | $92.50 |
|---|---|
| Min Order | 25 kg |
| Availability | In Stock |
| Shipping From | Liaoning, China |
| Popularity | 299 people viewed |
Model NO.:
IND
CAS No.:
125-20-2
Formula:
C28h30o4
EINECS:
204-729-7
Classification:
Organic Analytical Reagents
Grade:
Ind
Specific Usage:
For Biological Purpose
Content:
99%
Usage:
Laboratory Reagents
Source:
Concrete
Habit Appellation:
Special Reagent
Application:
Scientific Research
Property:
Organic Reagent
Melting Point:
251-253
Molecular Weight:
430.544
Appearance:
White Powder
Water Solubility:
Insoluble
Boiling Point:
571.6
Trademark:
Sinochembt
Transport Package:
25 Kgs Fiber Drums
Specification:
1kg 5kg 25kgs
Origin:
Shenyang
HS Code:
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 |
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