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195073

Sigma-Aldrich

Mordant Orange 1

Dye content 70 %

Synonym(s):

Alizarin Yellow R, MO1, 5-(4-Nitrophenylazo)salicylic acid

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About This Item

Linear Formula:
O2NC6H4N=NC6H3-2-(OH)CO2H
CAS Number:
2243-76-7
Molecular Weight:
287.23
Colour Index Number:
14030
Beilstein:
962365
EC Number:
218-818-3
MDL number:
MFCD00007313
UNSPSC Code:
12171500
PubChem Substance ID:
24851672
NACRES:
NA.47

form

powder

Quality Level

200

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>>>

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H319

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

195073-25G:
195073-100G:
195073-VAR:
195073-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBM0705
MKCG8018
MKBX8072V
MKBJ3755V
MKBG5167V

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