Purpurin, Dye content 90 %

Code: 229148-5G D2-231

Application

Nuclear stain in histology

General description

Purpurin (1, 2, 4-trihydroxyanthraquinone) is the key pigment present in the roots of ...


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€104.00 5G
€127.92 inc. VAT
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Application

Nuclear stain in histology

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.

Packaging

5 g in glass bottle

λmax515 nm, 521 nm (2nd)
application(s)diagnostic assay manufacturinghematologyhistology
assay>70-85% (HPLC)
compositionDye content, 90%
formpowder
impurities1-3% DMF
InChI keyBBNQQADTFFCFGB-UHFFFAOYSA-N
InChI1S/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
mp253-256 °C (lit.)
SMILES stringOc1cc(O)c2C(=O)c3ccccc3C(=O)c2c1O
solubilityNH4OH: 1 mg/mL, clear to turbid
storage temp.room temp
Cas Number81-54-9
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