MilliporeSigma
All Photos(2)

195073

Sigma-Aldrich

Mordant Orange 1

Dye content 70 %

Synonym(s):
Alizarin Yellow R, 5-(4-Nitrophenylazo)salicylic acid, MO1
Linear Formula:
O2NC6H4N=NC6H3-2-(OH)CO2H
CAS Number:
Molecular Weight:
287.23
Colour Index Number:
14030
Beilstein:
962365
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

Quality Level

form

powder

composition

Dye content, 70%

technique(s)

titration: suitable

mp

>300 °C (lit.)

solubility

1 N NH4OH: 1%, clear

λmax

385 nm

ε (extinction coefficient)

≥7000 at 266-276 nm in methanol at 0.006 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

OC(=O)c1cc(ccc1O)N=Nc2ccc(cc2)[N+]([O-])=O

InChI

1S/C13H9N3O5/c17-12-6-3-9(7-11(12)13(18)19)15-14-8-1-4-10(5-2-8)16(20)21/h1-7,17H,(H,18,19)

InChI key

YVJPMMYYRNHJAU-UHFFFAOYSA-N

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General description

Mordant orange 1 is also known as Alizarin Yellow R, C.I. 14030. Mordant orange 1 is an azo dye. Azo dyes used as biological stains contain an azo group (−N=N−).

Application

Presently, azo dyes are used for coloring many different materials such as textile, leather, and plastics and for manufacturing paints and lacquers.
Presently, azo dyes are used for coloring many different materials such as textile, leather, plastics, food, and pharmaceuticals and for manufacturing paints and lacquers and for printings purposes as well <<<14>>>

Packaging

25 g in glass bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

11 - 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

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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