1-Naphthol 99% AR
a-Naphthol, 1-Hydroxynaphthalene
Product Code. |
01778 |
Grade |
|
Purity |
99% |
CAS No. |
90-15-3 |
Molecular Formula |
C10H8O |
Molecular Weight |
144.17 |
H.S.Code |
2907.15100 |
Shelf Life |
36 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Off white to brownish |
Odour |
Slight phenolic odor |
| Melting point/ Freezing point [°C] |
94 - 96 °C |
Flash point [°C] |
125 °C |
Boiling point [°C] |
278 - 280 °C |
| Initial boiling point [°C] |
278°C |
Final boiling point [°C] |
280 °C |
Vapour pressure mm/Hg |
1 mm Hg @ 940C |
| Vapour density |
4.5 |
Solubility in water [% weight] |
Practically insoluble in water |
Partition coefficient Log Pow octanol / water at 20°C |
2.85 |
| Explosion limits - upper [%] |
5% |
Explosion limits -lower [%] |
0.80% |
Packaging
Specification
| Appearance | Off-white to brownish flakes |
| Assay | Min 99% |
| Melting point | 95 - 97 deg C |
| Insoluble matter in methanol | Max 0.01% |
| Iron (Fe) | Max 0.001% |
| Chloride (Cl) | Max 0.005% |
| Heavy metal (as Pb) | Max 0.001% |
| 2-Naphthol | Max 0.2% |
| Naphthalene | Max 0.2% |
| Water (H2O) | Max 0.2% |
| Sulphated ash | Max 0.01% |
Safety Information and Hazard Symbols
Symbol: GHS05, GHS07
Signal Word: Danger
UN No.: 2811
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H302-H312-H315-H318-H335
Precaution Statement: P261-P280-P305 + P351 + P338