Skip to Content
Merck
All Photos(1)

Key Documents

8.06215

Sigma-Aldrich

1,4-Naphthoquinone

for synthesis

Synonym(s):

1,4-Naphthoquinone, 1,4-Naphthalenedione, 1,4-Dihydro-1,4-diketonaphthalene

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C10H6O2
CAS Number:
Molecular Weight:
158.15
MDL number:
UNSPSC Code:
12352115
EC Index Number:
204-977-6

vapor pressure

<1 hPa ( 50 °C)

Quality Level

Assay

≥97% (HPLC)

form

solid

potency

190 mg/kg LD50, oral (Rat)
202 mg/kg LD50, skin (Rat)

pH

6.1 (20 °C, 10 g/L in H2O)

mp

120-125 °C (sublimed)

transition temp

flash point 141 °C

solubility

0.09 g/L

density

1.42 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C10H6O2/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6H

InChI key

FRASJONUBLZVQX-UHFFFAOYSA-N

Analysis Note

Assay (HPLC, area%): ≥ 97 %
Melting point (dried substance): 121 - 126 °C
Loss on drying (70 °C): ≤ 6 %
Identity (IR): passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1C - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

285.8 °F

Flash Point(C)

141 °C


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service