Patent blue V sodium salt

SIGMA/21605 - for microscopy

Synonym: Acid blue 3 sodium salt; Food Blue 5 sodium salt

CAS Number: 20262-76-4
Empirical Formula (Hill Notation): C₂₇H₃₁N₂NaO₇S₂
Molecular Weight: 582.66
EC Number: 243-654-4
MDL Number: MFCD09608138
Linear Formula: C₂₇H₃₁N₂NaO₇S₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-21605-10G	10 g	$40.90 1/EAAdd To Favorites	Add To Favorites
45-21605-25G	25 g	$68.90 1/EAAdd To Favorites	Add To Favorites
45-21605-100G	100 g	$148.00 1/EAAdd To Favorites	Add To Favorites

ε_max	≥1200 at 630-640 nm in water
	≥50 at 405-415 nm in water
application(s)	diagnostic assay manufacturing hematology histology
assay	5 — 10% Na basis
color	blue to very dark blue
form	powder
grade	for microscopy
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
pH range	4.0-6.0
Quality Level	200
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
solubility	methanol: water (1:1): 0.01 g/10 mL, blue to very deep blue
storage temp.	room temp
technique(s)	microbe id \| staining: suitable

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

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	5 — 10% Na basis
Storage Temp.	room temp
Colour Index Number	42051
UNSPSC	12171500