478571

Oxonole Blue dipotassium salt

Dye content 70 %

• Empirical Formula (Hill Notation): C₂₅H₁₆K₂N₄O₁₂S₂
• CAS Number: 51858-17-4
• Molecular Weight: 706.74
• EC Number: 257-479-6
• MDL number: MFCD01632689
• UNSPSC Code: 12171500
• PubChem Substance ID: 24871524

Properties

• composition: Dye content, 70%
• impurities: 5-10% ethanol
• mp: 250 °C (dec.) (lit.)
• λmax: 630 nm
• SMILES string: [K+].[K+].Oc1c(\C=C\C=C\C=C2/C(=O)N(N=C2C([O-])=O)c3ccc(cc3)S(O)(=O)=O)c(nn1-c4ccc(cc4)S(O)(=O)=O)C([O-])=O
• InChI: 1S/C25H18N4O12S2.2K/c30-22-18(20(24(32)33)26-28(22)14-6-10-16(11-7-14)42(36,37)38)4-2-1-3-5-19-21(25(34)35)27-29(23(19)31)15-8-12-17(13-9-15)43(39,40)41;;/h1-13,30H,(H,32,33)(H,34,35)(H,36,37,38)(H,39,40,41);;/q;2*+1/p-2/b3-1+,4-2+,19-5-;;
• InChI key: JQARXPHCHCHRBV-SAJZWCDJSA-L

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): 235.4 °F - closed cup
• Flash Point(C): 113 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves