Xylenol Blue, indicator grade, Dye content 90 %

Code: 205486-5G D2-231

General description

Xylenol Blue is a dark brown powder and it belongs to the class of sulfonephthalein dyes. Xylenol Blue changes color from red (pH 1.2) to yellow (2.8) and...


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€132.00 5G
€162.36 inc. VAT
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General description

Xylenol Blue is a dark brown powder and it belongs to the class of sulfonephthalein dyes. Xylenol Blue changes color from red (pH 1.2) to yellow (2.8) and yellow (8.0) to blue (9.6). It is widely used in food storage, drugs, determining bacterial growth, microbial assays and determining lipase.

Packaging

1, 5 g in glass bottle

λmax424 nm
application(s)diagnostic assay manufacturinghematologyhistology
compositionDye content, 90%
formpowder
gradeindicator grade
InChI keyMGUKYHHAGPFJMC-UHFFFAOYSA-N
InChI1S/C23H22O5S/c1-13-11-20(24)15(3)9-18(13)23(19-10-16(4)21(25)12-14(19)2)17-7-5-6-8-22(17)29(26,27)28-23/h5-12,24-25H,1-4H3
mp212 °C (dec.) (lit.)
Quality Level200
SMILES stringCc1cc(c(C)cc1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C)c(O)cc4C
storage temp.room temp
technique(s)titration: suitable
useful pH range1.2-2.8, red to yellow(acid), 8.0-9.8, yellow to violet(alkaline)
Cas Number125-31-5
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