naphthalene

C10H8

CAS91-20-3

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Identification

CAS Number: 91-20-3
EC Number: 202-049-5
UN Number: 2304
Index Number: 601-052-00-2
PubChem CID: 931

Physical-chemical properties

Molecular Formula: C10H8
Molar Mass: 128.17 g/mol
IUPAC Name: naphthalene

Chemical Identifiers

InChI: InChI=1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H
InChI Key: UFWIBTONFRDIAS-UHFFFAOYSA-N

Overview

naphthalene (CAS: 91-20-3) is a chemical compound widely used in industry. The molecular formula is C10H8. The molar mass is 128.17 g/mol.

Safety & Classification

Warning

Classification:

Carc. 2; Acute Tox. 4 *; Aquatic Acute 1; Aquatic Chronic 1

GHS Pictograms

Health Hazard

GHS08

Serious health hazard. May cause cancer, organ damage, or genetic defects.

Exclamation Mark

GHS07

Harmful. May cause irritation, allergic reactions, or drowsiness.

Environment

GHS09

Environmental hazard. Toxic to aquatic life with long lasting effects.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H351

Suspected of causing cancer.

H302

Harmful if swallowed.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

+P301IF SWALLOWED:
+P330Rinse mouth.
+P331Do NOT induce vomiting.
+P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

H302

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number	2304
ADR Class	4.1
Packing Group	III
Tunnel Code	E
Proper Shipping Name	Naphthalen, geschmolzen
Marine Pollutant	No

Frequently Asked Questions

What is naphthalene?

naphthalene (CAS 91-20-3) is a chemical substance with the formula C10H8 used in various industrial applications.

What are the properties of naphthalene?

naphthalene has a molar mass of 128.17 g/mol. It is classified as Carc. 2; Acute Tox. 4 *; Aquatic Acute 1; Aquatic Chronic 1. See the technical data above for more details.

How to store naphthalene safely?

naphthalene should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is naphthalene dangerous?

naphthalene carries the signal word "Warning". 3 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy naphthalene?

You can order naphthalene (CAS 91-20-3) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.