165660-27-5

Basic information

• Product Name: HYDROXY NAPHTHOL BLUE
• Synonyms: Hydroxy naphthol blue disodiuM;2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt(1:2);Hydroxy Naphthol Blue, In NaCl;Hydroxy naphthol blue disodium salt, For ACS analysis;HYDROXY NAPHTHOL BLUE;HYDROXY NAPHTHOL BLUE DISODIUM SALT;2,2'-DIHYDROXY-1,1'-AZONAPHTHALENE-3',4,6'-TRISULFONIC ACID DISODIUM SALT;1-(2-NAPHTHOLAZO-3,6-DISULFONIC ACID)-2-NAPHTHOL-4-SULFONIC ACID DISODIUM SALT
• CAS NO: 165660-27-5
• Molecular Formula: C20H12N2Na2O11S3
• Molecular Weight: 598.49
• Product Categories: G-H-I;Stains and Dyes;Stains&Dyes, A to
• Mol File: 165660-27-5.mol
• Article Data: 0

Chemical Properties

• Melting Point: 274°C
• Appearance: Small dark blue to black/Small Powder
• Storage Temp.: Store at room temperature.
• CAS DataBase Reference: HYDROXY NAPHTHOL BLUE(CAS DataBase Reference)
• NIST Chemistry Reference: HYDROXY NAPHTHOL BLUE(165660-27-5)
• EPA Substance Registry System: HYDROXY NAPHTHOL BLUE(165660-27-5)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38-36
• Safety Statements: 24/25-36-26
• WGK Germany: 3
• Hazardous Substances Data: 165660-27-5(Hazardous Substances Data)

Usage

Chemical Properties

blue to purple crystals or crystalline powder

Uses

Hydroxy Naphthol Blue Disodium Salt is a synthetic dye that has been used as a calcium indicator, which has a λmax = 650 nm. Dyes and metabolites.

InChI:InChI=1/C20H14N2O11S3.2Na/c23-15-9-16(35(28,29)30)13-3-1-2-4-14(13)18(15)21-22-19-12-6-5-11(34(25,26)27)7-10(12)8-17(20(19)24)36(31,32)33;;/h1-9,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2/b22-21+;;/rC20H12N2Na2O11S3/c23-34-37(30,31)11-5-6-12-10(7-11)8-17(38(32,33)35-24)20(26)19(12)22-21-18-14-4-2-1-3-13(14)16(9-15(18)25)36(27,28)29/h1-9,25-26H,(H,27,28,29)/b22-21+