Retene
- CAS NO.：483-65-8
- Empirical Formula: C18H18
- Molecular Weight: 234.34
- MDL number: MFCD00016358
- EINECS: 207-597-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:50:05
What is Retene?
Chemical properties
beige flakes
The Uses of Retene
Retene, methyl isopropyl phenanthrene or 1-methyl-7-isopropyl phenanthrene, C18H18, is a polycyclic aromatic hydrocarbon present in the coal tar fraction, boiling above 360 °C. It occurs naturally in the tars obtained by the distillation of resinous woods.
General Description
Plates or scales (from ethanol) or pearly-beige small flakes.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Upon treatment with CrO3 in acetic acid forms RETENEquinone (C18H1. .
Purification Methods
Crystallise retene from EtOH. The picrate has m 126o (from EtOH). The 1:1 1,3,5-trinitrobenzene-complex has m 144o (from EtOH). [Beilstein 5 H 683, 5 II 598, 5 III 2199.]
Properties of Retene
| Melting point: | 95-97 °C(lit.) |
| Boiling point: | 208 °C10 mm Hg(lit.) |
| Density | 1.0350 |
| refractive index | 1.6582 (estimate) |
| Merck | 13,8245 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 483-65-8(CAS DataBase Reference) |
| EPA Substance Registry System | Retene (483-65-8) |
Safety information for Retene
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin H372:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P272:Contaminated work clothing should not be allowed out of the workplace. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P391:Collect spillage. Hazardous to the aquatic environment P302+P352:IF ON SKIN: wash with plenty of soap and water. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. P501:Dispose of contents/container to..… |
Computed Descriptors for Retene
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