122777

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122777

Sigma-Aldrich

 

Alizarin

Dye content 97 %

Synonym:1,2-Dihydroxyanthraquinone, Mordant Red 11
CAS Number:72-48-0
Linear Formula:C14H8O4
Molecular Weight:240.21
Colour Index Number:58000
Beilstein Registry Number:1914037
EC Number:200-782-5
MDL number:MFCD00001201
PubChem Substance ID:24847507

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Description

ApplicationBiological stain
Packaging1.5, 100, 500 g in glass btl

Properties

compositionDye content, 97%
visual transition interval10.1 - 12.1, red to violet (alkaline)
 5.5 - 6.8, yellow to red (acid)
mp279-283 °C(lit.)
UV absorptionλmax 567 nm (2nd)
 λmax 609 nm

Safety

Personal Protective EquipmentEyeshields, Faceshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Safety Statements22-24/25
WGK Germany3
RTECSCB6580000

References

MerckMerck 13,246
BeilsteinBeil. 8,IV,3256
referenceAldrich MSDS 1, 39:D / Corp MSDS 1 (1), 93:C / FT-IR 2 (2), 2494:C / FT-IR 1 (2), 86:D / IR-Spectra (3), 900:B / IR-Spectra (2), 787:D / NMR-Reference 2 (2), 90:D / RegBook 1 (2), 1689:E / Sax 6, 1064 / Sigma FT-IR 1 (2), 94:D / Stains and Dyes Ref, 75 / Structure Index 1, 268:D:2