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1.06223

Supelco

1-Naphthol

GR for analysis

Synonym(s):

1-Naphthol, 1-Hydroxynaphthalene

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About This Item

Empirical Formula (Hill Notation):
C10H8O
CAS Number:
Molecular Weight:
144.17
MDL number:
UNSPSC Code:
12352104
EC Index Number:
201-969-4
NACRES:
NA.21

vapor pressure

1.3 hPa ( 94 °C)

Quality Level

assay

≥99% (GC)

form

solid

autoignition temp.

510 °C

potency

1870 mg/kg LD50, oral (Rat)
880 mg/kg LD50, skin (Rabbit)

bp

288 °C/1013 hPa

mp

94-96 °C

transition temp

flash point 125 °C

solubility

0.1 g/L

density

1.28 g/cm3 at 20 °C

bulk density

450 kg/m3

storage temp.

2-30°C

InChI

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

InChI key

KJCVRFUGPWSIIH-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
2-Naphthol (GC, area%): ≤ 0.20 % (a/a)
Naphthalene (GC, area%): ≤ 0.20 % (a/a)
Melting range (lower value): ≥ 95 °C
Melting range (upper value): ≤ 97 °C
Water (K. F.): ≤ 0.20 %
Identity (IR): passes test
Chloride (Cl): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.001 %
Iron (Fe): ≤ 0.001 %
Sulfated ash: ≤ 0.05 %

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


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