3031-66-1
3-Hexyne-2,5-diol
CAS: 3031-66-1
Molecular Formula: C6H10O2
3031-66-1 - Names and Identifiers
| Name | 3-Hexyne-2,5-diol |
| Synonyms | HD 3-Hexyn-2,5-Diol 3-hexyn-2,5-diol 3-HEXYNE-2,5-DIOL 3-Hexyne-2,5-diol hex-3-yne-2,5-diol (2S,5S)-hex-3-yne-2,5-diol (2R,5S)-hex-3-yne-2,5-diol (2R,5R)-hex-3-yne-2,5-diol Di(1-hydroxyethyl)acetylene BIS(1-HYDROXYETHYL)ACETYLENE 3-HEXYNE-2,5-DIOL, DL AND MESO |
| CAS | 3031-66-1 |
| EINECS | 221-209-5 |
| InChI | InChI=1/C6H10O2/c1-5(7)3-4-6(2)8/h5-8H,1-2H3/t5-,6-/m1/s1 |
3031-66-1 - Physico-chemical Properties
| Molecular Formula | C6H10O2 |
| Molar Mass | 114.14 |
| Density | 1.009g/mLat 25°C(lit.) |
| Melting Point | 42°C(lit.) |
| Boling Point | 121°C15mm Hg(lit.) |
| Flash Point | >230°F |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.1Pa at 20℃ |
| Appearance | Oil |
| Color | Pale Yellow |
| BRN | 1720667 |
| pKa | 12.80±0.20(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.473(lit.) |
| Use | For semi-bright nickel plating |
3031-66-1 - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R25 - Toxic if swallowed R36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | MR0175000 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
3031-66-1 - Reference Information
| LogP | -0.24 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | for semi-bright nickel plating brightener additives for electroplating industry and as inhibitors for aluminum anodizing. As a secondary brightener for bright and semi-bright nickel plating solution, it uses a concentration of 0.1-0.3g/l |
Last Update：2024-04-10 22:29:15
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