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122777

Alizarin

Dye content 97 %

Synonym(s):

1,2-Dihydroxyanthraquinone, Mordant Red 11

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About This Item

Empirical Formula (Hill Notation):
C14H8O4
CAS Number:
72-48-0
Molecular Weight:
240.21
EC Number:
200-782-5
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24847507
MDL number:
MFCD00001201
Colour Index Number:
58000
Beilstein/REAXYS Number:
1914037
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form

solid

Quality Level

200

composition

Dye content, 97%

color

yellow

visual transition interval

10.1-12.1, red to violet(alkaline), 5.5-6.8, yellow to red(acid)

mp

279-283 °C (lit.)

solubility

0.1 M NaOH: 0.01 g/L

λmax

567 nm (2nd), 609 nm

ε (extinction coefficient)

13000 at 227-233 nm in 0.1 M NaOH at 0.01 g/L, 26000 at 268-274 nm in 0.1 M NaOH at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1ccc2C(=O)c3ccccc3C(=O)c2c1O

InChI

1S/C14H8O4/c15-10-6-5-9-11(14(10)18)13(17)8-4-2-1-3-7(8)12(9)16/h1-6,15,18H

InChI key

RGCKGOZRHPZPFP-UHFFFAOYSA-N

Application

Alizarin has been used as a biological stain to dye cotton fabrics and is used as standard in UV-visible spectrophotometer.

Biochem/physiol Actions

Alizarin (1, 2-dihydroxyanthraquinone) is an anthraquinone dye and acts as a main chromophore of madder dye. It is used as a dye in the production of lake pigments. Alizarin is a key constituent in extracts of roots of various members of Rubiaceae, Morinda, Gallium, Oldenlandia families.

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Danger

Hazard Classifications

Aquatic Chronic 1 - Eye Dam. 1 - Skin Sens. 1A

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS8825
SHBS1561
SHBP5591
SHBN7443
MKCJ7783

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Global Trade Item Number

SKUGTIN
122777-100G04061835345489
122777-500G04061835345496