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C3143 Sigma-Aldrich

Chromotrope 2R

suitable for modified Gomori Trichrome stain

Synonym: 2-(Phenylazo)chromotropic acid disodium salt, Acid Red 29

  • CAS Number 4197-07-3

  • Empirical Formula (Hill Notation) C16H10N2Na2O8S2

  • Molecular Weight 468.37

  •  Colour Index Number 16570

  •  EC Number 224-085-0

  •  MDL number MFCD00003955

  •  PubChem Substance ID 24892586

  •  NACRES NA.47

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Properties

Related Categories C, Cell Biology, Hematology and Histology, Stains & Dyes, A to Z, Stains and Dyes More...
Quality Level   200
form   powder
composition   Dye content, ≥70%
application(s)   hematology: suitable
  histology: suitable
solubility   H2O: 1 mg/mL, dark red
εmax   ≥450 at 510-513 nm in methanol
suitability   suitable for modified Gomori Trichrome stain
Featured Industry   Diagnostic Assay Manufacturing
storage temp.   room temp
SMILES string   [Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccccc3)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
InChI   1S/C16H12N2O8S2.2Na/c19-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)18-17-10-4-2-1-3-5-10;;/h1-8,19-20H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b18-17+;;
InChI key   GXEAXHYQKZAJGB-QIKYXUGXSA-L

Description

Application

Chromotrope 2R has been used in the Gomori trichrome staining in osteochondral tissues. It has also been used for the staining of eosinophils in lung sections.

Packaging

25, 100 g in glass bottle

Biochem/physiol Actions

Chromotrope 2R is used for the staining of microsporidia in body fluids and stool samples. It is used in modified Gomori’s trichrome staining. Chromotrope 2R has high affinity for phospholipids and is used for the staining of mitochondrial and endoplasmic reticulum membrane in histological samples.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
RTECS 
QJ6418000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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