A6156812
NaphtholAS , 97% , 92-77-3
CAS NO.：92-77-3
Empirical Formula: C17H13NO2
Molecular Weight: 263.29
MDL number: MFCD00004096
EINECS: 202-188-1
| Pack Size | Price | Stock | Quantity |
| 25G | RMB36.00 | In Stock |
|
| 100G | RMB68.80 | In Stock |
|
| 250g | RMB159.20 | In Stock |
|
| 500g | RMB243.20 | In Stock |
|
| 2.5kg | RMB959.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 246-248 °C(lit.) |
| Boiling point: | 406.53°C (rough estimate) |
| Density | 1.1138 (rough estimate) |
| refractive index | 1.4500 (estimate) |
| storage temp. | Refrigerator |
| solubility | Insoluble in water; sparingly soluble in ethanol |
| pka | 9.70(at 25℃) |
| Colour Index | 37505 |
| form | Powder |
| color | Beige |
| PH Range | Non& uorescence (8.2) to yellow/green & uorescence (10.3) |
| λmax | 394nm |
| Major Application | Sensors, recording materials, photovoltaic cells, copying materials, photoreceptors, lithographic printing plates, inks, toner, paints, textiles, detecting cancer |
| CAS DataBase Reference | 92-77-3(CAS DataBase Reference) |
| EPA Substance Registry System | 3-Hydroxy-2-naphthanilide (92-77-3) |
Description and Uses
Naphtol AS is a coupling agent in cotton dying. Occupational dermatitis was reported in a woman involved in needlework, probably sensitized from occupational contact with clothes.
Naphtol AS was used as off-the-shelf color-based anion sensors in organic solvents.
Safety
| Symbol(GHS) |   GHS07,GHS09 |
| Signal word | Warning |
| Hazard statements | H315-H317-H319-H411 |
| Precautionary statements | P261-P264-P272-P273-P280-P302+P352+P333+P313+P363-P305+P351+P338+P337+P313-P391-P501 |
| Hazard Codes | Xi,N |
| Risk Statements | 43-51/53 |
| Safety Statements | 36/37-61 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 1 |
| RTECS | QJ1897400 |
| F | 10-21 |
| HazardClass | 9 |
| PackingGroup | III |
| HS Code | 29242990 |
