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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

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


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names


Certificates of Analysis (COA)

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