Skip to Content
Merck
CN

Key Documents

View All Documentation

74748

Patent Blue V calcium salt

analytical standard

Synonym(s):

Acid Blue 3 calcium salt, Acid Blue V calcium salt, Food Blue 5, Patent Blue V hemicalcium salt

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C27H31N2O7S2 · 0.5Ca
CAS Number:
3536-49-0
Molecular Weight:
579.71
UNSPSC Code:
85151701
NACRES:
NA.24
E Number:
E131
PubChem Substance ID:
329765837
EC Number:
222-573-8
MDL number:
MFCD00038746
Colour Index Number:
42051
Beilstein/REAXYS Number:
4108121
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

analytical standard

Quality Level

100

assay

≥97.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

[Ca++].CCN(CC)c1ccc(cc1)\C(=C2/C=C\C(C=C2)=[N+](\CC)CC)c3cc(O)c(cc3S([O-])(=O)=O)S([O-])(=O)=O.CCN(CC)c4ccc(cc4)C(=C5/C=C\C(C=C5)=[N+](\CC)CC)\c6cc(O)c(cc6S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/2C27H32N2O7S2.Ca/c2*1-5-28(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;/h2*9-18H,5-8H2,1-4H3,(H2-,30,31,32,33,34,35,36);/q;;+2/p-2

InChI key

RTMBGDBBDQKNNZ-UHFFFAOYSA-L

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
Literature for Patent Blue Violet discusses two dyes which are very similar, Color Index Numbers 42045 and 42051. Structurally they differ with regard to the substituents on one of the aromatic rings. C.I. 42045 is 2,4-disulfo-substituted while C.I. 42051 is 2,4-disulfo-5-hydroxy-substituted. This is the latter form.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCP2808
BCCL2303
BCCJ5569
BCCB8462
BCBV8915

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Tao Meng et al.
Journal of virology, 93(17) (2019-06-07)
Hand, foot, and mouth disease (HFMD), a highly contagious disease in children, is caused by human enteroviruses, including enterovirus 71 (EV71), coxsackievirus A16 (CVA16), and coxsackievirus A6 (CVA6). Although HFMD is usually mild and self-limiting, EV71 infection occasionally leads to

Global Trade Item Number

SKUGTIN
74748-25MG04061832891705