2,3-Dimethylnaphthalene
- CAS NO.：581-40-8
- Empirical Formula: C12H12
- Molecular Weight: 156.22
- MDL number: MFCD00004119
- EINECS: 209-463-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:52:49
What is 2,3-Dimethylnaphthalene?
Chemical properties
white flakes
The Uses of 2,3-Dimethylnaphthalene
It is used in the identification of individual aromatic hydrocarbons in kerosene fraction (b.p. 150-250°).
Definition
ChEBI: A dimethylnaphthalene carrying methyl groups at positions 2 and 3.
Purification Methods
Steam distil the naphthalene and crystallise it from EtOH. [Beilstein 5 IV 1713.]
Properties of 2,3-Dimethylnaphthalene
| Melting point: | 103-104 °C (lit.) |
| Boiling point: | 269 °C (lit.) |
| Density | 1.0030 |
| refractive index | 1.5060 |
| Flash point: | 265-268°C |
| form | powder to crystal |
| color | White to Light yellow to Light orange |
| Water Solubility | Solubility in toluene (almost transparency). Insoluble in water. |
| BRN | 1852621 |
| CAS DataBase Reference | 581-40-8(CAS DataBase Reference) |
| EPA Substance Registry System | 2,3-Dimethylnaphthalene (581-40-8) |
Safety information for 2,3-Dimethylnaphthalene
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P501:Dispose of contents/container to..… |
Computed Descriptors for 2,3-Dimethylnaphthalene
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