ButyneDiol EO witth CAS number 1606-85-5 under the brand name alpanol NBEO. We manufacture and export the product mainly used to formulate brightener additives employed in the nickel electroplating industry. Its similar name are BEO; 1,4-Di(2-hydroxyethoxy)butyne-2; 3,8-DIOXA-5-DECYNE-1,10-DIOL.
Butyne Diol EO 
Technical Data Sheet of Butyne Diol EO
Revision No.: 1
Revision Date: 11 / 2018
| Product Name | Butyne Diol EO |
| Trading Name | Malpanol NBEO |
| Molecular Formula | C8H14O4 |
| Molecular Weight | 174.20g/mol |
| CAS No | 1606-85-5 |
* Product used to formulate brightener additives for the electroplating industry & corrosion inhibitor.
Synonyms
1,4-bis-(2-hydroxyethoxy)-2-butyne; Golpanol BEO; Solar BEO 252;
2-Butin-1,4-diol-bis-(2-hydroxy-ethyl)-ether; 2-Butyne-1, 4 Diol Ethoxylate; BUTYNEDIOL ETHOXYLATE;
BUTYNEDIOL ETHOXYLATE (BEO); BIS-HYDROXYETHYLETHER OF BUTYNEDIOL; 1,4-Di(2-hydroxyethoxy)-2-butyne;
2,2'-but-2-ynylenedioxydiethanol; Butindiol-1,4-bis(monoglykolether);
2,2'-(But-2-yne-1,4-diylbis(oxy))diethanol; 2-Butyne-1,4-diol Bis(2-hydroxyethyl) Ether;
1,4-Bis(1-hydroxyethoxy)-2-butyne; 1,4-DI(2-HYDROXYETHOXY)-2-BUTYNE; BEO;
1,4-Di(2-hydroxyethoxy)butyne-2; 3,8-DIOXA-5-DECYNE-1,10-DIOL,BUTYNE 497
| Appearance | Clear yellow to brown viscous liquid |
| Odour | Alcohol-like |
| Purity | 98% |
| Density | 1.138 - 1.148g/cm3(DIN 51757, ASTM D 1298, hydrometer, 23 °C) |
| PH value | 6 - 8 (ISO 976, 10 %, 23 °C). |
| Boiling Point | 322.1ºC |
| Melting Point | Data not available |
| Flash Point | 148.6ºC |
| Refractive Index | 1.4835 –1.4865 (DIN 51423, Part 2, ASTM D 1218, 23 °C) |
| Solubility | NBEO is miscible with water and acids in all proportions. |
| Stability | Stable at room temperature in closed containers under normal storage and handling conditions. |
| Extensively used in bright Nickel formulations as class II brightener. |
| NBEO is used to formulate brightener additives employed in the electroplating industry. It is a very effective as a top brightener in nickel electroplating baths at a concentration of 20 – 50 mg/l. |
| NBEO can also be used as a corrosion inhibitor for metals in acidic media. |
| It is also used in the manufacture of certain herbicides, textile additives, corrosion inhibitors, plasticizers, synthetic resins, and polyurethanes. |
| NBEO has a shelf life of two years in its sealed original packaging. |
| Metal or HDPE drum packaging (we can package depending upon customer requirements, e.g. 25, 50 or 200kg). |
| Golpanol BEO/ Grolite 251/ Solar BEO 252/ BUTYNE 497 |
Note: Information given in this technical data sheet is based on current knowledge and our laboratory evaluation; it is presented as per our opinion without any guarantee. Buyers must carry out their own tests and experiments to determine the suitability and completeness of our products for their use and application.
