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MilliporeSigma

229148

Sigma-Aldrich

Purpurin

Dye content 90 %

Sinónimos:

1,2,4-Trihydroxyanthraquinone, Hydroxylizaric acid, Verantin

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About This Item

Fórmula empírica (notación de Hill):
C14H8O5
Número de CAS:
Peso molecular:
256.21
Colour Index Number:
58205
Beilstein/REAXYS Number:
1887127
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

assay

>70-85% (HPLC)

form

powder

composition

Dye content, 90%

impurities

1-3% DMF

mp

253-256 °C (lit.)

solubility

NH4OH: 1 mg/mL, clear to turbid

λmax

515 nm
521 nm (2nd)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1cc(O)c2C(=O)c3ccccc3C(=O)c2c1O

InChI

1S/C14H8O5/c15-8-5-9(16)14(19)11-10(8)12(17)6-3-1-2-4-7(6)13(11)18/h1-5,15-16,19H

InChI key

BBNQQADTFFCFGB-UHFFFAOYSA-N

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General description

Purpurin (1, 2, 4-trihydroxyanthraquinone) is the key pigment present in the roots of Indian madder (Rubia cordifolia). This pigment produces colors, with distinctive heat and light resistant properties.

Application

Nuclear stain in histology

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Optimization of microwave-assisted extraction for alizarin and purpurin in Rubiaceae plants and its comparison with conventional extraction methods.
Dabiri M
Journal of Separation Science, 28, 387-396 (2005)
Dyeing studies with hydroxyanthraquinones extracted from Indian madder. Part 1: Dyeing of nylon with purpurin
Gupta D
Coloration Technology (2001)
H Melhus et al.
Experimental cell research, 197(1), 119-124 (1991-11-01)
To establish a suitable experimental system for studies of the interaction of retinol-binding protein (RBP) with transthyretin (TTR) we have expressed the corresponding cDNAs in HeLa cells. To investigate whether complex formation might occur already in the endoplasmic reticulum (ER)
E Takahashi et al.
Mutation research, 480-481, 139-145 (2001-08-17)
We have previously demonstrated the inhibitory effect of chlorophyllin, a green food additive, on the genotoxicities of various carcinogens in Drosophila. Recently, we reported that purpurin, a component of a red food additive produced from madder root (Rubia tinctorium), inhibits
Eizo Takahashi et al.
Mutation research, 508(1-2), 147-156 (2002-10-16)
Recently we have shown that anthraquinone food pigments such as purpurin and alizarin suppress the genotoxic activities of several mutagens including heterocyclic amines and polycyclic aromatic hydrocarbons in the Drosophila DNA repair test and in the Ames test. To investigate

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