581-40-8
581-40-8 structure
- Name: Guajen
- Chemical Name: 2,3-dimethylnaphthalene
- CAS Number: 581-40-8
- Molecular Formula: C12H12
- Molecular Weight: 156.224
- Catalog: Chemical reagent Organic reagent Polycyclic compound
- Create Date: 2018-05-12 08:00:00
- Modify Date: 2024-01-13 11:14:15
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Solubility in Toluene：almost transparency
| Name | 2,3-dimethylnaphthalene |
|---|---|
| Synonyms |
EINECS 209-463-5
Guajen 2,3-Dimethylnaphthalene MFCD00004119 Naphthalene, 2,3-dimethyl- |
| Density | 1.0±0.1 g/cm3 |
|---|---|
| Boiling Point | 268.9±10.0 °C at 760 mmHg |
| Melting Point | 103-104 °C(lit.) |
| Molecular Formula | C12H12 |
| Molecular Weight | 156.224 |
| Flash Point | 114.0±9.7 °C |
| Exact Mass | 156.093903 |
| LogP | 4.37 |
| Vapour Pressure | 0.0±0.3 mmHg at 25°C |
| Index of Refraction | 1.605 |
| Hazard Codes | Xn |
|---|---|
| Risk Phrases | 22 |
| Safety Phrases | S23-S24/25 |
| WGK Germany | 3 |
| HS Code | 2902909090 |
| Precursor 10 | |
|---|---|
| DownStream 9 | |
![12H-Benz[5,6]isoindolo[2,1-a]benzimidazole structure](https://www.chemsrc.com/caspic/189/10561-93-0.png)
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |