Naphthol as acetate
- CAS NO.：1163-67-3
- Empirical Formula: C19H15NO3
- Molecular Weight: 305.33
- MDL number: MFCD00004095
- EINECS: 214-608-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:43
What is Naphthol as acetate?
What are the applications of Application
Naphthol AS Acetate is a substrate for the histochemical location of esterases
Purification Methods
Recrystallise it from hot MeOH and dry in vacuo over P2O5. It has m 252o after sublimation at 210-215o. It is slightly soluble in AcOH, EtOH, CHCl3 or *C6H6. It is a fluorogenic substrate for albumin esterase activity. [Chen & Scott Anal Lett 17 857 1984.] At 320nm it has fluorescence at 500nm. ex em [Brass & Sommer Chem Ber 61 1000 1928, Beilstein 12 II 260, 12 III 960, 12 IV 923.]
Properties of Naphthol as acetate
| Melting point: | 160-162°C |
| Boiling point: | 424.6±28.0 °C(Predicted) |
| Density | 1.271±0.06 g/cm3(Predicted) |
| storage temp. | −20°C |
| pka | 12.67±0.70(Predicted) |
| form | powder to crystal |
| color | White to Light yellow |
| Sensitive | Moisture Sensitive |
| CAS DataBase Reference | 1163-67-3(CAS DataBase Reference) |
Safety information for Naphthol as acetate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for Naphthol as acetate
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