229148
Purpurin
Dye content 90 %
Synonym(s):
1,2,4-Trihydroxyanthraquinone, Hydroxylizaric acid, Verantin
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About This Item
Empirical Formula (Hill Notation):
C14H8O5
CAS Number:
Molecular Weight:
256.21
EC Number:
201-359-8
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Colour Index Number:
58205
Beilstein/REAXYS Number:
1887127
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
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
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
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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Dyeing studies with hydroxyanthraquinones extracted from Indian madder. Part 1: Dyeing of nylon with purpurin
Gupta D
Coloration Technology (2001)
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)
G M Garbo
Journal of photochemistry and photobiology. B, Biology, 34(2-3), 109-116 (1996-07-01)
Purpurins and benzochlorins are hydrophobic second generation photosensitizers, which have sizable absorption in the 650-780 nm range and exhibit photodynamic activity against tumors after visible light treatment. This review summarizes the published data regarding these compounds: from the spectroscopic, photophysical
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 229148-5G | 04061838781635 |