205486
Xylenol Blue
indicator grade, Dye content 90 %
Synonym(s):
p-Xylenol Blue, p-Xylenolsulfonephthalein
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About This Item
Empirical Formula (Hill Notation):
C23H22O5S
CAS Number:
Molecular Weight:
410.48
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
204-736-5
Beilstein/REAXYS Number:
363132
MDL number:
grade
indicator grade
Quality Level
form
powder
composition
Dye content, 90%
technique(s)
titration: suitable
useful pH range
1.2-2.8, red to yellow(acid), 8.0-9.8, yellow to violet(alkaline)
mp
212 °C (dec.) (lit.)
λmax
424 nm
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
Cc1cc(c(C)cc1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C)c(O)cc4C
InChI
1S/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
InChI key
MGUKYHHAGPFJMC-UHFFFAOYSA-N
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.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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R. W. Sabnis
Handbook of Acid-Base Indicators (2007)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 205486-1G | 04061826704578 |
| 205486-5G | 04061838767738 |