D5021

2,2′-Dihydroxy-1,1′-azonaphthalene-3,3′,6,6′-tetrasulfonic acid

• Empirical Formula (Hill Notation): C₂₀H₁₄N₂O₁₄S₄
• CAS Number: 76877-41-3
• Molecular Weight: 634.59
• MDL number: MFCD00056612
• UNSPSC Code: 12171500
• PubChem Substance ID: 24893917

Properties

• composition: Dye content, ~75%
• SMILES string: Oc1c(cc2cc(ccc2c1N=Nc3c(O)c(cc4cc(ccc34)S(O)(=O)=O)S(O)(=O)=O)S(O)(=O)=O)S(O)(=O)=O
• InChI: 1S/C20H14N2O14S4/c23-19-15(39(31,32)33)7-9-5-11(37(25,26)27)1-3-13(9)17(19)21-22-18-14-4-2-12(38(28,29)30)6-10(14)8-16(20(18)24)40(34,35)36/h1-8,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33)(H,34,35,36)
• InChI key: ZHACZGMWBSRPKU-UHFFFAOYSA-N

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H314
• pcodes: P280 - P305 + P351 + P338 - P310
• Hazard Classifications: Skin Corr. 1B
• Storage Class: 8B - Non-combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges