alpha-Naphtholphthalein
- Product Namealpha-Naphtholphthalein
- CAS596-01-0
- CBNumberCB0451639
- MFC28H18O4
- MW418.44
- EINECS209-875-5
- MDL NumberMFCD00036202
- MOL File596-01-0.mol
- MSDS FileSDS
Chemical Properties
Melting point | 238-240 °C(lit.) |
Boiling point | 496.21°C (rough estimate) |
Density | 1.1532 (rough estimate) |
vapor density | 14.44 (vs air) |
refractive index | 1.6400 (estimate) |
storage temp. | Store below +30°C. |
solubility | Solubility Practically insoluble in water; soluble in ethanol |
pka | 8.0, 8.2, 8.5(at 25℃) |
form | Powder |
color | Pink to beige or brown |
PH Range | 7.1(brownish)-8.3(blue/green) |
PH | pH : 7.1~8.7 |
Odor | Characteristic odour |
Water Solubility | Soluble in ethanol. Insoluble in water. |
λmax | 648nm |
Merck | 14,6389 |
BRN | 97816 |
InChIKey | HQHBAGKIEAOSNM-UHFFFAOYSA-N |
Safety
Symbol(GHS) | ||||||||||
Signal word | Warning | |||||||||
Hazard statements | H315-H319-H335 | |||||||||
Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a | |||||||||
Hazard Codes | Xi | |||||||||
Risk Statements | 36/37/38 | |||||||||
Safety Statements | 26-36 | |||||||||
WGK Germany | 3 | |||||||||
HS Code | 32041900 | |||||||||
NFPA 704: |
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