Ethyl orange
- Product NameEthyl orange
- CAS62758-12-7
- CBNumberCB7101186
- MFC16H20N3NaO3S
- MW357.4
- EINECS263-716-4
- MDL NumberMFCD00007503
- MOL File62758-12-7.mol
- MSDS FileSDS
Chemical Properties
| Melting point | >300°C |
| storage temp. | room temp |
| solubility | Very soluble in water; very slightly soluble in ethanol |
| pka | 4.34(at 25℃) |
| form | Powder |
| color | Orange |
| PH Range | Red (3.4) to yellow (4.8) |
| Water Solubility | H2O: 1mg/mL |
| ε(extinction coefficient) | ≥29000 at 473-477nm in deionized water ≥8000 at 274-282nm in deionized water |
| λmax | 474nm |
| BRN | 3821641 |
| Major Application | Lithographic plate preparation, holographic storage, hybrid materials, inks, surface probes, diagnostic agents for diseases related with amyloid accumulation |
| InChI | InChI=1S/C16H19N3O3S.Na.H/c1-3-19(4-2)15-9-5-13(6-10-15)17-18-14-7-11-16(12-8-14)23(20,21)22;;/h5-12H,3-4H2,1-2H3,(H,20,21,22);;/b18-17+;; |
| InChIKey | JIQMFPYPPUEBQO-QIKYXUGXSA-N |
| SMILES | N(C1C=CC(/N=N/C2C=CC(S(O)(=O)=O)=CC=2)=CC=1)(CC)CC.[NaH] |
| CAS DataBase Reference | 62758-12-7(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 4-[[4-(diethylamino)phenyl]azo]-, sodium salt (62758-12-7) |
| UNSPSC Code | 12171500 |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36-24/25 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2927000090 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 | |||||||||
| NFPA 704: |
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