2,3-Dimethyl-2,3-butanediol
Also known as: Pinacol, Tetramethylethylene glycol, 2,3-Dimethylbutane-2,3-diol, Pinacone, Pinakol, 2,3-Butanediol, 2,3-dimethyl-, HOCMe2CMe2OH
2,3-Dimethyl-2,3-butanediol (CAS 76-09-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H14O2 and a molecular weight of 118.174 g/mol. Key properties include a melting point of 40-43 °C(lit.), a boiling point of 174.4±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 77.2±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 76-09-5
- Jingsj CID
- J-1525135-2
- Molecular Formula
- C6H14O2
- Molecular Weight
- 118.174 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 40-43 °C(lit.) |
|---|---|
| Boiling Point | 174.4±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 77.2±0.0 °C |
| Exact Mass | 118.099380 |
| PSA | 40.46000 |
| LogP | -0.29 |
| Vapor Pressure | 0.4±0.7 mmHg at 25°C |
| Refractive Index | 1.448 |
GHS Safety & Compliance
- H315 — Causes skin irritation
Frequently Asked Questions
What is the CAS number of 2,3-Dimethyl-2,3-butanediol?
The CAS number of 2,3-Dimethyl-2,3-butanediol is 76-09-5.
What are the molecular formula and molecular weight of 2,3-Dimethyl-2,3-butanediol?
2,3-Dimethyl-2,3-butanediol has molecular formula C6H14O2 and molecular weight 118.174 g/mol.
Is 2,3-Dimethyl-2,3-butanediol hazardous?
2,3-Dimethyl-2,3-butanediol has GHS signal word Warning and hazard statements H315 — Causes skin irritation.
What are the upstream and downstream products of 2,3-Dimethyl-2,3-butanediol?
For 2,3-Dimethyl-2,3-butanediol, Upstream Products: tetramethylethylene, Bis(pinacolato)diboron, benzyl (2S)-2-[5-(4-bromophenyl)-1H-imidazol-2-yl]pyrrolidine-1-carboxylate; Downstream Products: 3-(Piperidine-1-carbonyl)phenylboronic acid, pinacol ester, 3-Methoxyphenylboronic acid pinacol ester, 2-(3,5-Dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dimethyl-2,3-butanediol (CAS 76-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525135-2 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.