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122777

Sigma-Aldrich

Alizarin

Dye content 97 %

Synonyme(s) :

1,2-Dihydroxyanthraquinone, Mordant Red 11

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About This Item

Formule empirique (notation de Hill):
C14H8O4
Numéro CAS:
72-48-0
Poids moléculaire :
240.21
Numéro C.I. (Colour Index):
58000
Numéro Beilstein :
1914037
Numéro CE :
200-782-5
Numéro MDL:
MFCD00001201
Code UNSPSC :
12171500
ID de substance PubChem :
24847507
Nomenclature NACRES :
NA.47

Forme

solid

Niveau de qualité

200

Composition

Dye content, 97%

Couleur

yellow

visual transition interval

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

Pf

279-283 °C (lit.)

Solubilité

0.1 M NaOH: 0.01 g/L

λmax

567 nm (2nd)
609 nm

ε (coefficient d'extinction)

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

Température de stockage

room temp

Chaîne SMILES 

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

Clé InChI

RGCKGOZRHPZPFP-UHFFFAOYSA-N

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Application

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

Actions biochimiques/physiologiques

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.

Pictogrammes

CorrosionExclamation markEnvironment
GHS05,GHS07,GHS09

Mention d'avertissement

Danger

Mentions de danger

H317,H318,H410

Classification des risques

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

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
SHBN7443
MKCJ7783
MKCF0010
MKBX9574V
MKBX6624V

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