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Merck
CN

N2780

1-Naphthol

BioXtra, ≥99%

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
UNSPSC Code:
12352100
NACRES:
NA.21
PubChem Substance ID:
24897595
EC Number:
201-969-4
Beilstein/REAXYS Number:
1817321
MDL number:
MFCD00003930

Key Documents

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Product Name

1-Naphthol, BioXtra, ≥99%

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

vapor density

4.5 (120 °C, vs air)

vapor pressure

1 mmHg ( 94 °C)

product line

BioXtra

assay

≥99%

form

powder

autoignition temp.

1007 °F

expl. lim.

5 %

impurities

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

bp

278-280 °C (lit.)

mp

94-96 °C (lit.)

solubility

ethanol: 1 M, clear

anion traces

sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

Gene Information

human ... CYP1A2(1544)

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General description

1-Naphthol is a hydroxyl-aromatic compound. Its thermodynamic properties such as heat capacity, sublimation pressure, vapor pressure, enthalpies of combustion, formation and fusion have been estimated.

Application

1-Naphthol is used as a biomarker for exposure to polycyclic aromatic hydrocarbons (PAHs) in humans and livestock. 1-Naphthol is suitable for detecting the presence of carbohydrates and in various reactions.

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
0000510838
0000510838
0000509848
0000509848
0000507753

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Thermodynamic properties of 1-naphthol: Mutual validation of experimental and computational results.
Chirico R D, et al.
The Journal of Chemical Thermodynamics, 86, 106-115 (2015)
A Study for the Proper Application of Urinary Naphthols, New Biomarkers for Airborne Polycyclic Aromatic Hydrocarbons
Yang M, et al.
Archives of Environmental Contamination and Toxicology, 36, 99-108 (1999)
Improved method of preparing sulfonated 1-naphthol for carbohydrate tests.
Devor, A. W.
Analytical Chemistry, 24(10), 1626-1626 (1952)
Anika Kasprick et al.
European journal of immunology, 45(5), 1462-1470 (2015-02-14)
The role of mast cells (MCs) in autoimmunity is the matter of an intensive scientific debate. Based on observations in different MC-deficient mouse strains, MCs are considered as fundamental players in autoimmune diseases. However, most recent data suggest that the
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
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