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Home > Chemicals > Chemical Auxiliary & Catalyst > Water Treatment Chemical > 3,3-Bis(4-hydroxyphenyl)-3H-isobenzofuranon Indicator PH Reagent CAS:77-09-8 Measure pH
3,3-Bis(4-hydroxyphenyl)-3H-isobenzofuranon Indicator PH Reagent CAS:77-09-8 Measure pH
US$ 39.00
25 - 49 Kilograms
US$ 37.00
50 - 74 Kilograms
US$ 34.40
≥75 Kilograms
Key Specifications
Get Latest Price
Certification:
Other
CAS No.:
77-09-8
Color:
White
Payment & Shipping
Payment Methods:
Port of Shipment:
xingang
Delivery Detail:
3 days
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Certification
Other
CAS No.
77-09-8
Color
White
Appearance
Powder
EINECS
201-004-7
Environmental Protection
Other
Type
Other
Formula
C20H14O4
Transport Package
bag
Specification
25kg/bag
Origin
China
| Phenolphthalein Chemical Properties |
| Melting point | 261-263 °C (lit.) |
| Boiling point | 417.49°C (rough estimate) |
| density | 1.27 g/cm3 at 32 °C |
| refractive index | 1.5400 (estimate) |
| Fp | 24 °C |
| storage temp. | no restrictions. |
| solubility | Soluble in alcohol. Slightly soluble in ether. Slightly soluble in dimethyl sulfoxide and insoluble in benzene or hexane. |
| Colour Index | 764 |
| form | Solid |
| pka | 9.4(at 25℃) |
| color | White to yellow-white |
| PH Range | 8.0(colorless)-10(Red) |
| PH | 7.8～10.0 |
| Odor | Odorless |
| Water Solubility | |
| λmax | 552nm, 553nm, 374nm, 205nm, 229nm, 276nm |
| Merck | 14,7243 |
| BRN | 284423 |
| Stability: | Stable. Incompatible with strong oxidizing agents, alkalies. |
| Major Application | Display device, sensors, semiconductors, fuel cells, photoreceptors, electronic packaging, authentication system for secure documents, inks, correction fluid, paints, detection of defects in films, floor coatings, textiles, corrosion testing, explosive, concrete, toys, detecting lipase activity of crop seeds, soaps, method for prevention of drugmisuse, cosmetics, diapers, detecting viable cells, carbohydrates, antimalarial, treating amyloid-associated diseases |
| LogP | 2.410 |
| CAS DataBase Reference | 77-09-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Phenolphthalein(77-09-8) |
| IARC | 2B (Vol. 76) 2000 |
| EPA Substance Registry System | 3,3-Bis(4-hydroxyphenyl)phthalide (77-09-8) |
Send Inquiry to This Supplier
Business Type
Trading Company
Year Established
2001
Factory Size
1,000-3,000 square meters
Port of Shipment
shanghai, tianjin, dalian
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