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344664 Sigma-Aldrich

Orange OT

Dye content 75 %

Synonym: 1-(o-Tolylazo)-2-naphthol, Solvent Orange 2

  • CAS Number 2646-17-5

  • Linear Formula CH3C6H4N=NC10H6OH

  • Molecular Weight 262.31

  •  Colour Index Number 12100

  •  Beilstein/REAXYS Number 8330630

  •  EC Number 220-162-8

  •  MDL number MFCD00059523

  •  PubChem Substance ID 24861272

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Properties

Related Categories Cell Biology, Hematology and Histology, O, Stains & Dyes, A to Z, Stains and Dyes More...
composition   Dye content, 75%
mp   124-126 °C (lit.)
λmax   505 nm
SMILES string   Cc1ccccc1N=Nc2c(O)ccc3ccccc23
InChI   1S/C17H14N2O/c1-12-6-2-5-9-15(12)18-19-17-14-8-4-3-7-13(14)10-11-16(17)20/h2-11,20H,1H3
InChI key   BQFCCCIRTOLPEF-UHFFFAOYSA-N

Description

General description

Orange OT is a dye that is not soluble in aqueous solution. It is also known as (1-(2-methyl-phenylazo)-2-naphthol).

Packaging

5 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
QL5425000

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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