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33420

Sigma-Aldrich

1-Naphthol

puriss. p.a., reag. Ph. Eur., ≥99% (GC)

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Synonym(s):
α-Naphthol, 1-Hydroxynaphthalene
Linear Formula:
C10H7OH
CAS Number:
Molecular Weight:
144.17
Beilstein/REAXYS Number:
1817321
EC Number:
MDL number:
PubChem Substance ID:

agency

USP/NF
reag. Ph. Eur.

Quality Level

vapor density

4.5 (120 °C, vs air)

vapor pressure

1 mmHg ( 94 °C)

grade

puriss. p.a.

assay

≥99% (GC)

autoignition temp.

1007 °F

expl. lim.

5 %

impurities

≤0.001% heavy metals (as Pb)
≤0.2% naphthaline (GC)
≤0.2% water (Karl Fischer)
≤0.5% 2-naphthol (GC)

ign. residue

≤0.05% (as SO4)

bp

278-280 °C (lit.)

mp

94-96 °C (lit.)
94-97 °C

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

Fe: ≤10 mg/kg

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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1 of 4

This Item
N1000N27808.22289
1-Naphthol puriss. p.a., reag. Ph. Eur., ≥99% (GC)

33420

1-Naphthol

-
1-Naphthol ReagentPlus®, ≥99%

N1000

1-Naphthol

-
1-Naphthol BioXtra, ≥99%

N2780

1-Naphthol

Premium Grade
1-Naphthol for synthesis

8.22289

1-Naphthol

-
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

bp

278-280 °C (lit.)

bp

278-280 °C (lit.)

bp

278-280 °C (lit.)

bp

288 °C/1013 hPa

mp

94-96 °C (lit.), 94-97 °C

mp

94-96 °C (lit.)

mp

94-96 °C (lit.)

mp

94-96 °C

agency

USP/NF

agency

-

agency

-

agency

-

vapor density

4.5 (120 °C, vs air)

vapor density

4.5 (120 °C, vs air)

vapor density

4.5 (120 °C, vs air)

vapor density

-

Packaging

bottled under inert gas

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_germany

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, type P3 (EN 143) respirator cartridges


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