3-Hexyn-2,5-diol
- CAS NO.：3031-66-1
- Empirical Formula: C6H10O2
- Molecular Weight: 114.14
- MDL number: MFCD00004542
- EINECS: 221-209-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-25 17:15:13
What is 3-Hexyn-2,5-diol?
Description
3-Hexyne-2,5-diol is a more or less solid yellow mass of crystals depending on the relative content of the meso form. It is miscible with water and polar solvents. 3-Hexyne-2,5-diol is produced by BASF from acetylene and acetaldehyde by the Reppe ethynylation method.
The Uses of 3-Hexyn-2,5-diol
3-Hexyne-2,5-diol is used in the synthesis of hyperbrancehed poly([1,2,3]-triazoles. Also used in the synthesis of pyrazoles and thiopyrazoles.
What are the applications of Application
3-Hexyne-2,5-diol is used in nickel process baths as a brightener. It is the starting material for production of pyrroles and of 2,5-hexanediol, as well as in the production of 4-hydroxy-2,5-dimethyl-3-(2H)-furanone, trade name Furaneol, used as pineapple and strawberry flflavor.
Flammability and Explosibility
Non flammable
Properties of 3-Hexyn-2,5-diol
| Melting point: | 42 °C(lit.) |
| Boiling point: | 121 °C15 mm Hg(lit.) |
| Density | 1.009 g/mL at 25 °C(lit.) |
| vapor pressure | 0.1Pa at 20℃ |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Oil |
| pka | 12.80±0.20(Predicted) |
| color | Pale Yellow |
| BRN | 1720667 |
| CAS DataBase Reference | 3031-66-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Hexyne-2,5-diol(3031-66-1) |
| EPA Substance Registry System | 3-Hexyne-2,5-diol (3031-66-1) |
Safety information for 3-Hexyn-2,5-diol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. 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-Hexyn-2,5-diol
3-Hexyn-2,5-diol manufacturer
SRI HAAS LIFE SCIENCES PVT LTD
1Y
Phone:+91-9704226580
Whatsapp: +91-9704226580
product: 3-Hexyn 2,5-Diol
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