ChemicalBook >>2-Methylnaphthalene>>2-Methylnaphthalene(91-57-6)

2-Methylnaphthalene(91-57-6)

2-Methylnaphthalene(91-57-6)
Product IdentificationBack to Contents
【Product Name】

2-Methylnaphthalene
【Synonyms】

beta-Methylnaphthalene
【CAS】

91-57-6
【Formula】

C11H10
【Molecular Weight】

142.19999999999999
【EINECS】

202-078-3
【RTECS】

QJ9635000
【RTECS Class】

Tumorigen; Mutagen
【Beilstein/Gmelin】

906859
【Beilstein Reference】

4-05-00-01693
【EC Class】

harmful, dangerous for the environment
Physical and Chemical PropertiesBack to Contents
【Appearance】

White crystalline solid.
【Solubility in water】

30 mg/L
【Melting Point】

32 - 35
【Boiling Point】

241
【Vapor Pressure】

0.03 (25 C)
【Density】

1.0058 g/cm3 (20 C)
【Partition Coefficient】

3.86
【Heat Of Vaporization】

52.8 kJ/mol
【Heat Of Combustion】

-5794 kJ/mol
【Usage】

Organic synth, insecticides.
【Vapor Density】

1
【Odor threshold】

10 ppb
【Refractive Index】

1.6015 (40 C)
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Inhalation】

Inhalation of dust may cause respiratory tract irritation.
【Skin】

Causes skin irritation. May cause photosensitization in certain individuals.
【Eyes】

Causes eye irritation.
【Ingestion】

May be harmful if swallowed.
【Hazards】

Containers may explode when heated.
【EC Risk Phrase】

R 22 36/37/38
【EC Safety Phrase】

S 26 36/37/39
【UN (DOT)】

3082
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Exposure Effects】

Hemolytic anemia has developed in neonates following in utero exposure. In utero exposure causes cataracts in rats.
【Exposure limit(s)】

OEL-RUSSIA:STEL 20 mg/m3
【Poison Class】

3
Fire Fighting MeasuresBack to Contents
【Flash Point】

98
【Autoignition】

488
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
【Upper exp. limit】

5.3
【Lower exp. limit】

.8
【Fire Potential】

This chemical is combustible.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

3082
【Hazard Class】

9
【Packing Group】

III
【HS Code】

2902 90 80
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