4-Pentyn-1-ol
- CAS No.
- 5390-04-5
- Chemical Name:
- 4-Pentyn-1-ol
- Synonyms
- 4-PENTYNE-1-OL;1-Pentyn-5-ol;4-Pentin-1-ol;pent-1-yn-5-ol;4-PENTYN-1-OL;1-Pentyne-5-ol;4-Pentyn-1-ol>4-Pentin-1-ol 97%;4-Pentyn-1-ol,95%;4-Pentyn-1-ol,97%
- CBNumber:
- CB1344918
- Molecular Formula:
- C5H8O
- Molecular Weight:
- 84.12
- MDL Number:
- MFCD00002974
- MOL File:
- 5390-04-5.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | -24.1°C (estimate) |
|---|---|
| Boiling point | 154-155 °C (lit.) |
| Density | 0.904 g/mL at 25 °C (lit.) |
| refractive index |
n |
| Flash point | 143 °F |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| solubility | Chloroform, Methanol |
| form | Liquid |
| pka | 14.81±0.10(Predicted) |
| color | Clear yellow |
| Specific Gravity | 0.904 |
| Water Solubility | Miscible with water. |
| BRN | 1736712 |
| InChI | 1S/C5H8O/c1-2-3-4-5-6/h1,6H,3-5H2 |
| InChIKey | CRWVOXFUXPYTRK-UHFFFAOYSA-N |
| SMILES | OCCCC#C |
| CAS DataBase Reference | 5390-04-5(CAS DataBase Reference) |
| FDA UNII | 2PDG6ME2TL |
| NIST Chemistry Reference | 4-Pentyn-1-ol(5390-04-5) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335-H227 | |||||||||
| Precautionary statements | P260-P280g-P261-P305+P351+P338 | |||||||||
| PPE | Eyeshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36-37/39 | |||||||||
| RIDADR | 1987 | |||||||||
| WGK Germany | 3 | |||||||||
| F | 10 | |||||||||
| HazardClass | 3.2 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29052900 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| NFPA 704 |
|
4-Pentyn-1-ol price More Price(69)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 302481 | 4-Pentyn-1-ol 97% | 5390-04-5 | 5g | $101 | 2026-04-30 | Buy |
| Sigma-Aldrich | 302481 | 4-Pentyn-1-ol 97% | 5390-04-5 | 25g | $221 | 2026-04-30 | Buy |
| TCI Chemical | P0817 | 4-Pentyn-1-ol >96.0%(GC) | 5390-04-5 | 5mL | $28 | 2026-04-30 | Buy |
| TCI Chemical | P0817 | 4-Pentyn-1-ol >96.0%(GC) | 5390-04-5 | 25mL | $89 | 2026-04-30 | Buy |
| Usbiological | 286431 | 4-Pentyn-1-ol Asreported | 5390-04-5 | 10g | $359 | 2026-06-03 | Buy |
4-Pentyn-1-ol Chemical Properties,Uses,Production
Chemical Properties
Clear yellow liquid
Uses
4-Pentyn-1-ol is an alkyne alcohol that is used as an initiator in ring-opening polymerization reactions. 4-Pentyn-1-ol is capable of undergoing cyclosisomerization, and is also used as a reactant in the synthesis of (+)-Serinolamide A, a cannabinoid CB1 receptor agonist.
Application
4-Pentyn-1-ol was used in preparation of 3-pent-4-ynyloxy phthalonitrile. It was also used as starting reagent in stereoselective total synthesis of antimicrobial marine metabolites, ieodomycin A and B.
General Description
Mechanism of (THF)W(CO)5-promoted endo- and exo-cycloisomerization of 4-pentyn-1-ol was studied.
Synthesis
4-Pentyn-1-ol has been prepared from 4-penten-1-ol by bromination followed by dehydrobromination with alkali.
4-Pentyn-1-ol Preparation Products And Raw materials
Raw materials
Preparation Products
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| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Jinan Dexinjia Bio&Tech Co., Ltd | 0531-82375880 15098789112 | 3845379039@qq.com | China | 1459 | 58 |
| Shanghai Youd Chemical Technology Co., Ltd. | 021-37910092 15821801668 | cong44@126.com | China | 286 | 58 |
| Shanghai Taijilin Industrial Co., Ltd. | 02150630626 17717886015 | kate@tajilin.com | China | 1340 | 58 |
| Shanghai Hao Yun Chemical Science Co.,Ltd. | 021-68367562 | sales@haoyunchem.com | China | 493 | 55 |
| BTC Pharmaceutical CO. Ltd | +86-15716293042 15716293042 | info@btcpharm.com | China | 823 | 55 |
| Beijing Huize Zhongsen Pharmaceutical Technology Co., Ltd. | 18519331287 18519331287 | 1751713684@qq.com | China | 268 | 58 |
| Wuhan EnTai Technology Development Co,.Ltd | 86-27-82330560 | 2536851935@qq.com | China | 346 | 69 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
View Lastest Price from 4-Pentyn-1-ol manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-05-28 | 4-Pentyn-1-Ol
5390-04-5
|
$2.00-5.00 | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
 |
2026-03-20 | 4-Pentyn-1-ol
5390-04-5
|
1KG | 99% | 20 mt | Hebei Chuanghai Biotechnology Co., Ltd | ||
 |
2024-11-18 | 4-Pentyn-1-ol
5390-04-5
|
$786.00 | 98 | 5000 Kg | R&D Scientific Inc. |
-
- 4-Pentyn-1-Ol
5390-04-5
- $2.00-5.00
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
-
- 4-Pentyn-1-ol
5390-04-5
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-
- 4-Pentyn-1-ol
5390-04-5
- $786.00
- 98
- R&D Scientific Inc.
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