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| Feature | Good stability |
| Classification | Paint Additives |
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Petroleum grade α-methylnaphthalene is made from reformed aromatics as raw material, separated by effective distillation, and the content of β-methylnaphthalene is more than 95%.
| Name | 2-Methylnaphthalene |
| Synonyms | 2-methyl 2-Methylnaphth Methylnaphthalene 2-Methylnaphthalene β-Methylnaphthalene 2-methyl-naphthalen 2-methyInaphthalene 2-METHYLNAPHTHALENE Methyl-2-naphthalene Para-Aminoacetanilide Naphthalene,2-methyl- naphthalene,beta-methyl 2-Methylnaphthalene (beta) |
| Molecular Formula | C11H10 |
| Molar Mass | 142.2 |
| Density | 1.01 |
| Melting Point | 34-36°C(lit.) |
| Boling Point | 241-242°C(lit.) |
| Flash Point | 208°F |
| Water Solubility | 0.00246 g/100 mL |
| Solubility | 0.025g/l |
| Vapor Presure | 5.4 (extrapolated, Mackay et al., 1982) |
| Appearance | Crystalline Low Melting Solid |
| Color | White |
| Exposure Limit | ACGIH: TWA 0.5 ppm (Skin) |
| BRN | 906859 |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.6019 |
| Physical and Chemical Properties | White or pale yellow monoclinic crystals or fused crystals. boiling point 241 ℃ freezing point 34.5 ℃ relative density 1.0058 refractive index 1.6019 solubility insoluble in water, soluble in organic solvents such as ethanol and ether. |
| Use | Production of vitamin K3 raw materials, oral contraceptives, synthetic plant growth inhibitors, also used as surfactants, water reducing agents, dispersants, etc |
| Risk Codes | R22 – Harmful if swallowed R36/37/38 – Irritating to eyes, respiratory system and skin. R51/53 – Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R63 – Possible risk of harm to the unborn child R43 – May cause sensitization by skin contact R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. R45 – May cause cancer R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R67 – Vapors may cause drowsiness and dizziness R40 – Limited evidence of a carcinogenic effect |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 – Wear suitable gloves and eye/face protection S61 – Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37 – Wear suitable protective clothing and gloves. S24/25 – Avoid contact with skin and eyes. S23 – Do not breathe vapour. S53 – Avoid exposure – obtain special instructions before use. S36 – Wear suitable protective clothing. S29 – Do not empty into drains. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | QJ9635000 |
| TSCA | Yes |
| HS Code | 29029080 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | Acute oral LD50 for rats 1,630 mg/kg (quoted, RTECS, 1985). |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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