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Merck
CN

95582

Xanthydrol solution

~10% in methanol, for the detection of urea

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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:
329770468
MDL number:
MFCD00005057
Beilstein/REAXYS Number:
10395
Form:
liquid

Key Documents

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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

InChI key

JFRMYMMIJXLMBB-UHFFFAOYSA-N

form

liquid

quality

for the detection of urea

concentration

~10% in methanol

density

0.83 g/mL at 20 °C

storage temp.

2-8°C

Quality Level

100

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

target_organs

Eyes,Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

51.8 °F - closed cup

flash_point_c

11 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCM0514
BCCJ3694
BCCC0202
BCBW6295
BCBV6502

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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
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
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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