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Key Documents

8.14578

Sigma-Aldrich

2,3-Naphthalenediol

for synthesis

Synonym(s):

2,3-Naphthalenediol, 2,3-Dihydroxynaphthalene

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About This Item

Empirical Formula (Hill Notation):
C10H8O2
CAS Number:
92-44-4
Molecular Weight:
160.17
MDL number:
MFCD00004073
UNSPSC Code:
12352104
EC Index Number:
202-156-7
NACRES:
NA.22

vapor pressure

0.8 hPa ( 149 °C)

Quality Level

200

assay

≥97.0% (HPLC)

form

powder

autoignition temp.

>330 °C

potency

970 mg/kg LD50, oral (Rat)

pH

6 (20 °C, 1 g/L in H2O)

mp

161-164 °C

transition temp

flash point 175 °C

bulk density

500 kg/m3

storage temp.

2-30°C

InChI

1S/C10H8O2/c11-9-5-7-3-1-2-4-8(7)6-10(9)12/h1-6,11-12H

InChI key

JRNGUTKWMSBIBF-UHFFFAOYSA-N

Analysis Note

Assay (HPLC, area%): ≥ 97.0 % (a/a)
Melting range (lower value): ≥ 161 °C
Melting range (upper value): ≤ 164 °C
Identity (IR): passes test

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

347.0 °F

flash_point_c

175 °C

Certificates of Analysis (COA)

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