21605

Patent blue V sodium salt

for microscopy

• Synonym(s): Acid blue 3 sodium salt, Food Blue 5 sodium salt
• Empirical Formula (Hill Notation): C₂₇H₃₁N₂NaO₇S₂
• CAS Number: 20262-76-4
• Molecular Weight: 582.66
• Colour Index Number: 42051
• Beilstein: 4108121
• EC Number: 243-654-4
• MDL number: MFCD09608138
• UNSPSC Code: 12171500
• PubChem Substance ID: 57647933
• NACRES: NA.47

Properties

• grade: for microscopy
• Assay: 5 — 10% Na basis
• form: powder
• color: blue to very dark blue
• pH range: 4.0-6.0
• solubility: methanol: water (1:1): 0.01 g/10 mL, blue to very deep blue
• εmax: ≥1200 at 630-640 nm in water; ≥50 at 405-415 nm in water
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].CCN(CC)c1ccc(cc1)\C(=C2/C=CC(\C=C2)=[N+](\CC)CC)c3cc(O)c(cc3S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C27H32N2O7S2.Na/c1-5-28(6-2)21-13-9-19(10-14-21)27(20-11-15-22(16-12-20)29(7-3)8-4)23-17-24(30)26(38(34,35)36)18-25(23)37(31,32)33;/h9-18H,5-8H2,1-4H3,(H2-,30,31,32,33,34,35,36);/q;+1/p-1
• InChI key: PMLFOMWMYRKZRF-UHFFFAOYSA-M

Description

General description

Patent Blue V sodium salt, also called as Sulfan Blue. is a disulfonated diaminotriphenylmethane dye with a hydrophilic anion and an aromatic system. It is orange under acid conditions and blue in alkali.

Application

Patent Blue V sodium salt has been used as a stain in pharmacology.It is a biological stain used for the demonstration of hemoglobin. Its applications are also seen in the field of biology and medicine where it′s used as a physiological tracer, to study the movement of fluid within the kidney. Patent Blue V is useful as a marker dye in oncological surgeries for accurate and complete excision of lymph nodes. It is also used as a food color.

Patent blue V sodium salt has been used as a stain in pharmacology.

Safety Information

• 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