Merck
All Photos(2)

A5533

Sigma-Aldrich

Alizarin Red S

certified by the Biological Stain Commission

Synonym(s):
3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt, Alizarin Carmine, Alizarin Red, water soluble, Alizarin sodium monosulfonate, Alizarin sulfonate sodium, Alizarinsulfonic acid sodium salt, Sodium alizarinsulfonate
Empirical Formula (Hill Notation):
C14H7NaO7S
CAS Number:
Molecular Weight:
342.26
Colour Index Number:
58005
Beilstein:
4117090
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

grade

certified by the Biological Stain Commission

Quality Level

form

powder

concentration

0.015 g/L in 0.1 M NaOH

technique(s)

titration: suitable

solubility

H2O: 1 mg/mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].Oc1c(O)c(cc2C(=O)c3ccccc3C(=O)c12)S([O-])(=O)=O

InChI

1S/C14H8O7S.Na/c15-11-6-3-1-2-4-7(6)12(16)10-8(11)5-9(22(19,20)21)13(17)14(10)18;/h1-5,17-18H,(H,19,20,21);/q;+1/p-1

InChI key

HFVAFDPGUJEFBQ-UHFFFAOYSA-M

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Application

  • Alizarin Red S has been used for checking the calcium deposits in osteogenic culture.
  • It has been used for the quantitative analyses of calcification in aortic explants.
  • It has been used for mineral staining in osteoblast cultures.

Packaging

25 g in glass bottle

Biochem/physiol Actions

Alizarin Red S is used for the staining of cartilage and bone. It reacts with calcium, thereby helping in the diagnosis of calcium deposits. It is also used to study carbohydrate–boronic acid interactions.

Suitability

Certified for use in Dahl′s method for calcium

Storage Class Code

13 - Non 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

Certificate of Analysis

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Certificate of Origin

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