1-PENTYN-3-OL
- CAS NO.：4187-86-4
- Empirical Formula: C5H8O
- Molecular Weight: 84.12
- MDL number: MFCD00004572
- EINECS: 224-063-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:24:05
What is 1-PENTYN-3-OL?
Chemical properties
CLEAR YELLOW LIQUID
The Uses of 1-PENTYN-3-OL
1-Pentyn-3-ol is used as a pharmaceutical intermediate.
Properties of 1-PENTYN-3-OL
| Melting point: | -24.1°C (estimate) |
| Boiling point: | 124 °C |
| Density | 0.975 g/mL at 25 °C(lit.) |
| vapor density | 1 (vs air) |
| refractive index | n |
| Flash point: | 85 °F |
| storage temp. | Sealed in dry,2-8°C |
| form | clear liquid |
| pka | 13.28±0.20(Predicted) |
| color | Colorless to Yellow to Green |
| Water Solubility | Slightly soluble in water. |
| BRN | 1098409 |
| CAS DataBase Reference | 4187-86-4(CAS DataBase Reference) |
Safety information for 1-PENTYN-3-OL
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H301:Acute toxicity,oral H311:Acute toxicity,dermal H331:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P260:Do not breathe dust/fume/gas/mist/vapours/spray. 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P311:Call a POISON CENTER or doctor/physician. 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. P307+P311:IF exposed: call a POISON CENTER or doctor/physician. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for 1-PENTYN-3-OL
| InChIKey | LBSKEFWQPNVWTP-UHFFFAOYSA-N |
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