Product Details
- Product Namealpha-Naphtholphthalein
- CAS No.596-01-0
- EINECS No.209-875-5
- MFC28H18O4
- MW418.44
- InChIKeyHQHBAGKIEAOSNM-UHFFFAOYSA-N
- AppearancePowderPink to beige or brown
- Melting point 238-240 °C(lit.)
- Water Solubility Soluble in ethanol. Insoluble in water.
- storage temp. Store below +30°C.
- Boiling point 496.21°C (rough estimate)
- density 1.1532 (rough estimate)
| Product Name: |
alpha-Naphtholphthalein |
| Synonyms: |
3,3-Bis(4-hydroxy-1-naphthyl)-1,3-dihydroisobenzofuran-1-one;3,3-Bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one;Di-p-a-Naphtholphthalide;3,3-Bis(4-hydroxy-1-naphtyl)isobenzofuran-1(3H)-one;3,3-Bis(4-hydroxy-1-naphtyl)phthalide;4,4'-[3(1H)-Oxoisobenzofuran-1,1-diyl]bis(1-naphthol);alpha-Naphtholphthalein,pure,indicator;Alpha-naphtholphthalein ,90% |
| CAS: |
596-01-0 |
| MF: |
C28H18O4 |
| MW: |
418.44 |
| EINECS: |
209-875-5 |
| Product Categories: |
Titration;Industrial/Fine Chemicals;pharmacetical;Analytical Chemistry;Indicator (pH);pH Indicators;N;Stains and Dyes;Stains&Dyes, A to;Indicators;pH Indicators - Solids;Phthalein |
| Mol File: |
596-01-0.mol |
 |
| |
| alpha-Naphtholphthalein Chemical Properties |
| Melting point |
238-240 °C(lit.) |
| Boiling point |
496.21°C (rough estimate) |
| density |
1.1532 (rough estimate) |
| refractive index |
1.6400 (estimate) |
| storage temp. |
Store below +30°C. |
| solubility |
Solubility Practically insoluble in water; soluble in ethanol |
| form |
Powder |
| pka |
8.0, 8.2, 8.5(at 25℃) |
| color |
Pink to beige or brown |
| PH Range |
7.1(brownish)-8.3(blue/green) |
| PH |
pH : 7.1～8.7 |
| Water Solubility |
Soluble in ethanol. Insoluble in water. |
| λmax |
648nm |
| Merck |
14,6389 |
| BRN |
97816 |
| InChIKey |
HQHBAGKIEAOSNM-UHFFFAOYSA-N |
| CAS DataBase Reference |
596-01-0(CAS DataBase Reference) |
| Hazard Codes |
Xi |
| Risk Statements |
36/37/38 |
| Safety Statements |
26-36 |
| WGK Germany |
3 |
| HS Code |
32041900 |
Company Profile
Introduction
Established in 2014,Career Henan Chemical Co. is a manufacturerspecializing in the sale of fine chemicals.
Mainly deals in the sales of:
Pharmaceutical intermediates
OLED intermediates：
Pharmaceutical intermediates;
OLED intermediates;
