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Merck
CN

95580

Xanthydrol

for the detection of urea, ≥97.0% (HPLC)

Synonym(s):

9-Hydroxyxanthene, 9-Xanthenol

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About This Item

Empirical Formula (Hill Notation):
C13H10O2
CAS Number:
90-46-0
Molecular Weight:
198.22
UNSPSC Code:
12164500
NACRES:
NA.21
PubChem Substance ID:
329770467
EC Number:
201-996-1
Beilstein/REAXYS Number:
10395
MDL number:
MFCD00005057

Key Documents

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Product Name

Xanthydrol, for the detection of urea, ≥97.0% (HPLC)

InChI key

JFRMYMMIJXLMBB-UHFFFAOYSA-N

InChI

1S/C13H10O2/c14-13-9-5-1-3-7-11(9)15-12-8-4-2-6-10(12)13/h1-8,13-14H

SMILES string

OC1c2ccccc2Oc3ccccc13

Quality Level

100

assay

≥97.0% (HPLC)

form

powder

quality

for the detection of urea

impurities

~1% xanthone

mp

123-128 °C
127-128 °C (lit.)

functional group

hydroxyl

storage temp.

2-8°C

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Application

Xanthydrol may be used as a derivatization agent for the following:
  • Analysis of urea in urine and wine samples using high-performance liquid chromatography (HPLC) technique.
  • Analysis of trace levels of carbamate pesticides in surface water by gas chromatography–mass spectrometry (GC-MS).

Other Notes

Reagent for the determination of urea

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN2560
BCCL8798
BCCK8644
BCCK5635
BCCH3546

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Trace level determinations of carbamate pesticides in surface water by gas chromatography?mass spectrometry after derivatization with 9-xanthydrol.
Yang Y-E and Shin S-H
Journal of Chromatography A, 1305(1-2), 328-332 (2013)
R.W. Kiser et al.
Analytical Chemistry, 33, 314-314 (1961)
Shona Clark et al.
Journal of chromatography. A, 1161(1-2), 207-213 (2007-06-16)
A high-performance liquid chromatography (HPLC) method for the determination of urea that incorporates automated derivatisation with xanthydrol (9H-xanthen-9-ol) is described. Unlike the classic xanthydrol approach for the determination of urea, which involves the precipitation of dixanthylurea (N,N'-di-9H-xanthen-9-ylurea), the derivatisation procedure
Kumiko Yamazaki et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 29(5), 705-715 (2012-01-20)
A novel GC-MS method was developed for the determination of acrylamide, which is applicable to a variety of processed foods, including potato snacks, corn snacks, biscuits, instant noodles, coffee, soy sauces and miso (fermented soy bean paste). The method involves
P V Biles et al.
Journal of AOAC International, 81(6), 1155-1161 (1998-12-16)
Contamination of food and food packaging material by rodent urine is evidence of insanitary conditions. Urea from rodent urine is used as a chemical indicator of contamination. The limit of detection of the xanthydrol/urea AOAC Method 959.14 by formation of

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