Butynediol
- CAS NO.：110-65-6
- Empirical Formula: C4H6O2
- Molecular Weight: 86.09
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-03-30 16:09:22
What is Butynediol?
Definition
ChEBI: But-2-yne-1,4-diol is a butynediol that is but-2-yne substituted by hydroxy groups at positions 1 and 4.
Properties of Butynediol
| Melting point: | 58 °C |
| Boiling point: | 238 °C |
| Density | 1.181±0.06 g/cm3(Predicted) |
| pka | 12.72±0.10(Predicted) |
Safety information for Butynediol
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H317:Sensitisation, Skin H373:Specific target organ toxicity, repeated exposure |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 Butynediol
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