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Naphthalene

CAS 91-20-3
EC 202-049-5
LANGUAGE EN
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Product Identification

More information about Naphthalene

Basic Product Information

Product Name
Naphthalene

Regulatory Identifiers

CAS Number
91-20-3 Check regulations

Chemical Abstracts Service registry number - unique identifier for chemical substances

EC Number
202-049-5 Check regulations

European Community number - used for regulatory compliance in EU/EEA

Uses Information

Identified Uses
SU24 Scientific research and development

Overview

Naphthalene (CAS: 91-20-3 ) is a crystalline substance commonly used su24 scientific research and development.

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Hazard Identification

More about safety measures

Classification Status

Classified

Signal Word

warning (Warning)

Hazard Classifications

Flam. Sol. Category 2 H228
Carc. 2 Category 2 H351
Acute Tox. Category 4 H302
GHS02 pictogramGHS07 pictogramGHS08 pictogram

Hazard Statements

  • H228: Flammable solid.
  • H302: Harmful if swallowed.
  • H351: Suspected of causing cancer.

Precautionary Statements

  • P210: Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
  • P201: Obtain special instructions before use.
  • P280: Wear protective gloves/protective clothing/eye protection/face protection.
  • P281: Use personal protective equipment as required.
  • P240: Ground/bond container and receiving equipment.
  • P241: Use explosion-proof electrical/ventilating/lighting/equipment.
  • P264: Wash thoroughly after handling.
  • P308+P313: IF exposed or concerned: Get medical advice/attention.
  • P405: Store locked up.
  • P501: Dispose of contents/container in accordance with local/regional/national/international regulations.

Suppliers & Organizations

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc. Logo

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc.

manufacturer

📍

30 Bond Street, Ward Hill, MA 01835-8099

🌍

US

📞

800-343-0660

📠

800-322-4757

✉️ [email protected]
🌐 http://www.alfa.com

Emergency Contacts

Emergency Contact

📞

(800) 343-0660

🕒

During normal business hours (Monday-Friday, 8am-7pm EST)

Carechem 24

📞

(866) 928-0789

🕒

After normal business hours

Similar Substances

1
1-Methylnaphthalene
CAS: 90-12-0
1
1,5-Dihydroxynaphthalene
No identifier available
2
2-Methylnaphthalene
CAS: 91-57-6
1
1-Chloronaphthalene
CAS: 90-13-1
2
2-Chloronaphthalene
CAS: 91-58-7
2
2-Nitronaphthalene
CAS: 581-89-5
1
1,5-Diaminonaphthalene
CAS: 2243-62-1
N
Naphthenic acid
CAS: 1338-24-5

Physical & Chemical Properties

More about properties
Physical State
Not available
Physical State Data
Not available
State Under Standard Conditions
Not available
Appearance
Crystalline
Colour
Not available
Colour Intensity
Not available
Form
Crystalline
Odor
Aromatic
Odor Threshold
Not determined.
Ph
Not applicable.
Melting Point
80-82 ℃ (176-180 ºF)
Boiling Point
218 °C (424 °F)
Flash Point
78 °℃ (172 °F)
Freezing Point
Not available
Softening Point
Not available
Solidification Point
Not available
Cloud Point
Not available
Crystallisation Point
Not available
Evaporation Rate
Not applicable.
Relative Evaporation Rate
Not available
Vapor Pressure
Not applicable.
Vapor Density
Not applicable.
Relative Density
Not determined.
Bulk Density
Not available
Density
0.963 g/cm3 (8.036 lbs/gal)
Flammability
Highly flammable.
Upper Explosive Limit
5.9 Vol %
Lower Explosive Limit
0.9 Vol %
Auto Ignition Temperature
526 ℃ (979 ºF)
Decomposition Temperature
Not determined
Solubility
Not available
Partition Coefficient
Not determined.
Solubility In Water
Insoluble
Solubility In Fat
Not available
Kinematic Viscosity
Not applicable.
Dynamic Viscosity
Not applicable.
Surface Tension
Not available
Explosive Properties
Not available
Oxidizing Properties
Not available
Molecular Weight
Not available
Solid Content
Not available
Solvent Content
Not available
Gas Group
Not available
Relative Vapor Density
Not available
Dissociation Constant
Not available
Hydrolysis Rate
Not available
Concentration
Not available
Temperature
Not available
Particle Characteristics
Not available
Particle Size
Not available
Particle Size Distribution
Not available
Particle Shape
Not available
Particle Aspect Ratio
Not available
Particle Aggregation State
Not available
Particle Agglomeration State
Not available
Particle Specific Surface Area
Not available
Particle Dustiness
Not available
Voc Content
Not available
Voc Concentration
Not available
Voc Content Info
Not available
Metal Corrosion
Not available

Frequently Asked Questions

View full documentation

What is the hazard signal word for Naphthalene?

The signal word for this substance is "warning".

What is Naphthalene used for?

SU24 Scientific research and development

What are the hazard statements for Naphthalene?

This substance has 3 hazard statements: H228: Flammable solid. H302: Harmful if swallowed. H351: Suspected of causing cancer.

What is the melting point of Naphthalene?

The melting point is 80-82 ℃ (176-180 ºF) and the boiling point is 218 °C (424 °F).