3-Ethynyltoluene
- CAS NO.：766-82-5
- Empirical Formula: C9H8
- Molecular Weight: 116.16
- MDL number: MFCD01318174
- EINECS: 628-378-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:38:30
What is 3-Ethynyltoluene?
Chemical properties
Clear light yellow to brown liquid
Synthesis Reference(s)
The Journal of Organic Chemistry, 43, p. 358, 1978 DOI: 10.1021/jo00396a046
Tetrahedron Letters, 13, p. 5209, 1972
Properties of 3-Ethynyltoluene
| Boiling point: | 170-175 °C(lit.) |
| Density | 0.900 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 50°C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Liquid |
| color | Clear light yellow to brown |
| Specific Gravity | 0.9073 |
| BRN | 2038007 |
| CAS DataBase Reference | 766-82-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Methylphenylacetylene(766-82-5) |
Safety information for 3-Ethynyltoluene
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H226:Flammable liquids H304:Aspiration hazard H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P331:Do NOT induce vomiting. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Ethynyltoluene
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