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Merck
CN

N2780

Sigma-Aldrich

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

Key Documents

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vapor density

4.5 (120 °C, vs air)

Quality Level

200

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

SMILES string

Oc1cccc2ccccc12

InChI

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

InChI key

KJCVRFUGPWSIIH-UHFFFAOYSA-N

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.

Signal Word

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 Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN2672
0000416754
0000416754
0000405264
0000361095

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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)
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
Shitong Yang et al.
The Science of the total environment, 420, 214-221 (2012-02-15)
The increasing exploitation of multi-walled carbon nanotubes (MWCNTs) into many industrial processes has raised considerable concerns as they are likely to be released into the environment. The interactions of the pollutants in water with discharged MWNCTs will further influence the
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