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Merck
CN

31097

1-Naphthol

PESTANAL®, analytical standard

Synonym(s):

α-Naphthol, 1-Hydroxynaphthalene

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About This Item

Linear Formula:
C10H7OH
CAS Number:
90-15-3
Molecular Weight:
144.17
EC Number:
201-969-4
UNSPSC Code:
41116107
PubChem Substance ID:
329753645
Beilstein/REAXYS Number:
1817321
MDL number:
MFCD00003930

Key Documents

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InChI key

KJCVRFUGPWSIIH-UHFFFAOYSA-N

InChI

1S/C10H8O/c11-10-7-3-5-8-4-1-2-6-9(8)10/h1-7,11H

SMILES string

Oc1cccc2ccccc12

grade

analytical standard

vapor density

4.5 (120 °C, vs air)

vapor pressure

1 mmHg ( 94 °C)

product line

PESTANAL®

assay

≥98.0% (GC)

autoignition temp.

1007 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

5 %

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

bp

278-280 °C (lit.)

Quality Level

100

application(s)

forensics and toxicology
pharmaceutical (small molecule)

format

neat

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General description

1-Naphthol, a metabolite of carbaryl and naphthanlene. It is formed by spontaneous reaction from (1R, 2S)-Naphthalene epoxide followed to form 1, 4-Dihydroxynaphthalene.

Application

1-Naphthol may be used as a reference standard for the determination of 1-naphthol:
  • In human urine by a rapid and automated method based on coupled-column liquid chromatography (LC-LC) with fluorescence detection.
  • In canned fruit juices by reversed-phase high performance liquid chromatography with diode-array detection.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1A - STOT SE 2 Oral - STOT SE 3

target_organs

Kidney, Respiratory system

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

257.0 °F - closed cup

flash_point_c

125 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCF6505
BCBR9635V

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Direct determination of 1-naphthol in human urine by coupled-column liquid chromatography with fluorescence detection.
Sancho JV, et al.
Chromatographia, 58(9-10), 565- 569 (2003)
A Simple Method for the Determination of Carbaryl and 1-Naphthol in Fruit Juices by High-Performance Liquid Chromatography- Diode-Array Detection.
Sancho JV, et al.
Journal of Food Protection, 66(8), 1510- 1513 (2003)
Ondrej Zitka et al.
Electrophoresis, 32(22), 3207-3220 (2011-10-21)
Guanosine derivatives are important for diagnosis of oxidative DNA damage including 8-hydroxy-2'-deoxyguanosine (8-OHdG) as one of the most abundant products of DNA oxidation. This compound is commonly determined in urine, which makes 8-OHdG a good non-invasive marker of oxidation stress.
Hongbo Zhang et al.
Toxicology in vitro : an international journal published in association with BIBRA, 26(8), 1286-1293 (2012-01-24)
In vitro glucuronidation assays of diclofenac and indomethacin at pH 7.4 are biased by the instability of the glucuronides due to acyl migration. The extent of this acyl migration may be reduced significantly by performing the glucuronidation reaction at pH
Xiaoying Guo et al.
Environmental science & technology, 46(13), 7252-7259 (2012-06-09)
The sorption behavior of four hydrophobic organic contaminants (HOCs) (i.e., phenanthrene, naphthalene, lindane, and 1-naphthol) by three types of polymers namely polyethylene (PE), polystyrene (PS), and polyphenyleneoxide (PPO) was examined in this work. The organic carbon content-normalized sorption coefficients (K(oc))
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