A3115412
2,5-Dimethyl-3-hexyne-2,5-diol , 99% , 142-30-3
Synonym(s):
2,5-Dimethyl-3-hexyne-2,5-diol
CAS NO.：142-30-3
Empirical Formula: C8H14O2
Molecular Weight: 142.2
MDL number: MFCD00004468
EINECS: 205-533-4
| Pack Size | Price | Stock | Quantity |
| 25G | RMB23.20 | In Stock |
|
| 100G | RMB68.80 | In Stock |
|
| 250G | RMB159.20 | In Stock |
|
| 500G | RMB236.80 | In Stock |
|
| 2.5kg | RMB1087.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 90-94 °C (lit.) |
| Boiling point: | 121-123 °C/7 mmHg (lit.) |
| Density | 0,949 g/cm3 |
| vapor pressure | 0.025 hPa (40.3 °C) |
| refractive index | 1.4179 (estimate) |
| Flash point: | 102°C |
| storage temp. | Store below +30°C. |
| solubility | 240g/l |
| form | Crystalline Flakes or Powder |
| pka | 12.91±0.29(Predicted) |
| color | White to light yellow |
| Water Solubility | 240 g/L (20 ºC) |
| BRN | 969835 |
| InChIKey | IHJUECRFYCQBMW-UHFFFAOYSA-N |
| LogP | 0.81 at 25℃ |
Description and Uses
2,5-Dimethyl-3-hexyne-2,5-diol is a white to yellowish powder or agglomerated alkyne compound commonly used in the manufacture of chemical products and preparations. It is used as a chemical intermediate in spices and peroxide catalysts, and as a drawing lubricant, defoamer, and coupling agent in resin coatings. In addition, it can also be applied as surfactant component and electroplating auxiliary.
Ethoxylated acetylene-based diols are highly effective as surfactants and used in many applications.
Safety
| Symbol(GHS) |   GHS08,GHS07 |
| Signal word | Danger |
| Hazard statements | H317-H334 |
| Precautionary statements | P280g-P302+P352a-P321-P333+P313-P501a-P272-P302+P352+P333+P313+P363-P501-P261-P280-P342+P311 |
| Hazard Codes | Xn |
| Risk Statements | 42/43 |
| Safety Statements | 7-36-24/25 |
| WGK Germany | 3 |
| RTECS | MR0176000 |
| TSCA | Yes |
| HS Code | 29053980 |
