| Product Identification | Back to Contents | 【Product Name】
1-Methylnaphthalene | 【Synonyms】
alpha-Methylnaftalen
alpha-Methylnaphthalene | 【CAS】
90-12-0 | 【Formula】
C11H10 | 【Molecular Weight】
142.19999999999999 | 【EINECS】
201-966-8 | 【RTECS】
QJ9630000 | 【RTECS Class】
Mutagen | 【Beilstein/Gmelin】
506793 | 【Beilstein Reference】
4-05-00-01687 | 【EC Class】
harmful, dangerous for the environment |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless liquid. | 【Solubility in water】
30 mg/L | 【Melting Point】
-33 to -32 | 【Boiling Point】
240 | 【Vapor Pressure】
0.05 (25 C) | 【Density】
1.022 g/cm3 (20 C) | 【Partition Coefficient】
3.87 | 【Heat Of Vaporization】
46.0 kJ/mol | 【Heat Of Combustion】
-5784 kJ/mol | 【Usage】
Organic synthesis. | 【Saturation Concentration】
71 ppm at 25 C (calculated) | 【Vapor Density】
4.91 | 【Odor threshold】
0.02 ppm. | 【Refractive Index】
1.6170 (20 C) |
| First Aid Measures | Back 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. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes. | 【Eyes】
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Keep away from heat and flame. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. |
| Hazards Identification | Back to Contents | 【Inhalation】
Causes respiratory tract irritation. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. | 【Ingestion】
May be harmful if swallowed. Causes digestive tract irritation. | 【Hazards】
Containers may explode when heated. | 【EC Risk Phrase】
R 22 36/37/38 51/53 | 【EC Safety Phrase】
S 26 36/37/39 60 61 | 【UN (DOT)】
3082 |
| Exposure Controls/Personal Protection | Back 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. | 【Poison Class】
3 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
82 | 【Autoignition】
529 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Combustible Liquid. Containers may explode when heated. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. | 【Upper exp. limit】
5.3 | 【Lower exp. limit】
.8 | 【Fire Potential】
This chemical is combustible. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Wash area with soap and water. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
1 | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, carbon dioxide. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
|
| Company Name: | J & K SCIENTIFIC LTD. |
| Tel: | 400-666-7788 +86-10-82848833 |
| Fax: | +86-10-82849933 |
| WebSite: | www.jkchemical.com |
| Company Name: | Alfa Aesar |
| Tel: | 400-610-6006; 021-67582000 |
| Fax: | 021-67582001/03/05 |
| WebSite: | www.alfachina.cn |
| Company Name: | BeiJing Hwrk Chemicals Limted |
| Tel: | 4006990298 010-57411839 020-31335234 021-51691807 |
| Fax: | 010-87653215 0757-86311057 021-55236763 |
| WebSite: | www.hwrkchemical.com |
| Company Name: | Energy Chemical |
| Tel: | 021-58432009 / 400-005-6266 |
| Fax: | 021-58436166-800 |
| WebSite: | www.energy-chemical.com |
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