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Sigma-Aldrich

Patent blue V sodium salt

for microscopy

Synonym(s):

Acid blue 3 sodium salt, Food Blue 5 sodium salt

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About This Item

Empirical Formula (Hill Notation):
C27H31N2NaO7S2
CAS Number:
20262-76-4
Molecular Weight:
582.66
Colour Index Number:
42051
Beilstein/REAXYS Number:
4108121
EC Number:
243-654-4
MDL number:
MFCD09608138
UNSPSC Code:
12171500
PubChem Substance ID:
57647933
NACRES:
NA.47

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

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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.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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