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8.06215

Sigma-Aldrich

1,4-Naphthoquinone

for synthesis

Synonym(s):

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

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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
NACRES:
NA.22

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

signalword

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

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

wgk_germany

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’.

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