199567

Ethyl Orange sodium salt

indicator grade, Dye content 90 %

• Synonym(s): 4-(4-Diethylaminophenylazo)benzenesulfonic acid sodium salt
• Linear Formula: (C₂H₅)₂NC₆H₄N=NC₆H₄SO₃Na
• CAS Number: 62758-12-7
• Molecular Weight: 355.39
• Beilstein: 3821641
• EC Number: 263-716-4
• MDL number: MFCD00007503
• UNSPSC Code: 12171500
• PubChem Substance ID: 24851926
• NACRES: NA.47

Properties

• grade: indicator grade
• Quality Level: 200
• composition: Dye content, 90%
• technique(s): titration: suitable
• visual transition interval: 3.0-4.8, red to orange
• solubility: H₂O: 1 mg/mL
• λmax: 474 nm
• ε (extinction coefficient): ≥29000 at 473-477 nm in deionized water; ≥8000 at 274-282 nm in deionized water
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: CCN(CC)c1ccc(cc1)\N=N\c2ccc(cc2)S(O)(=O)=O
• InChI: 1S/C16H19N3O3S.Na/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);/q;+1/p-1/b18-17+;
• InChI key: YZORUOZKRBVLEG-ZAGWXBKKSA-M

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315 - H319 - H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves