Alpha-Naphtholphthalein 98.0%(HPLC)
98.0%(HPLC)
Synonym: 1-Naphtholphthalein
Linear Formula:
C28H18O4
Molecular Weight: 418.44 g/mol
CAS Number: 596-01-0
Properties
| Assay Purity | >98%(HPLC) |
| Refractive index | 1.769 |
| B pt. | 705.6℃ at 760 mmHg |
| M pt. | 240℃ |
| Density | 1.404 g/cm3 |
Safety Information
| Hazard Statement(s) | H315-H319-H335 |
| Precautionary Statement | P264-P280-P261-P271-P302+P352-P321-P332+P313-P362+P364-P305+P351+P338-P337+P313-P304+P340-P312-P403+P233-P405-P501 |
| Symbol |
|
| Signal word | Warning |
| HS Code | 32041900 |
| Flash point | 247℃ |
| Storage Temp. | Store at room temperature. |
| Storage Class | 3 |
| Packaging | Glass Bottle |
| UN Number | 3272 |
Description
Recommended products
N-Methyl-P-Anisidine 96.0%(GC)
Purpose
For R&D use onlynot for drug household or other uses.
General Description
-Naphtholphthalein (C28H18O4) is a pH indicator with a visual transition from colorlessreddish to greenishblue at pH 7.38.7.
Documents
| SDS |
| COA |
| Specification |
| Bulk quote order form |