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Key Documents

Safety Information

8.20846

Sigma-Aldrich

Naphthalene

for synthesis

Synonym(s):

Naphthalene

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About This Item

Empirical Formula (Hill Notation):
C10H8
CAS Number:
Molecular Weight:
128.17
MDL number:
UNSPSC Code:
12352005
EC Index Number:
202-049-5
NACRES:
NA.22

vapor pressure

0.072 hPa ( 20 °C)

Quality Level

Assay

≥99.0% (GC)

form

solid

autoignition temp.

540 °C

potency

>2500 mg/kg LD50, skin (Rat)

expl. lim.

0.9-5.9 % (v/v)

bp

218 °C/1013 hPa

mp

79-82 °C

transition temp

flash point 79 °C

solubility

slightly soluble ≥0.038 g/L

density

1.085 g/cm3 at 20 °C

bulk density

550‑600 mg/m3

storage temp.

2-30°C

InChI

1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H

InChI key

UFWIBTONFRDIAS-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 79 °C
Melting range (upper value): ≤ 82 °C
Identity (IR): passes test

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Flam. Sol. 2

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

173.3 °F - closed cup

Flash Point(C)

78.5 °C - closed cup


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.

FSL

Designated Flammable Substances
Flammable solid

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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