2,3-Butanediol
Also known as: butane-2,3-diol, 2,3-dihydroxybutane, 2,3-butylene glycol, dimethylethylene glycol, 3-hydroxy-2-butanol
2,3-Butanediol (CAS 513-85-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H10O2 and a molecular weight of 90.121 g/mol. Key properties include a melting point of 25 °C(lit.), a boiling point of 180.7±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 85.0±0.0 °C. It is listed by 1 supplier, from 1.39 to 9.50 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 513-85-9
- Jingsj CID
- J-11462-4
- Molecular Formula
- C4H10O2
- Molecular Weight
- 90.121 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500ml | ¥696.00 | $0.21 /mlBest ¥1.39/ml CNY | CN China MOQ 500ml | |
In Stock | 98% 100ml | ¥198.00 | $0.3 /ml ¥1.98/ml CNY | CN China MOQ 100ml | |
In Stock | >97.0%(GC) 500g | ¥1,908.00 | $0.57 /g ¥3.82/g CNY | CN China MOQ 500g |
Physicochemical Properties
| Melting Point | 25 °C(lit.) |
|---|---|
| Boiling Point | 180.7±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 85.0±0.0 °C |
| Exact Mass | 90.068077 |
| PSA | 40.46000 |
| LogP | -0.99 |
| Vapor Pressure | 0.3±0.7 mmHg at 25°C |
| Refractive Index | 1.435 |
| Additional Property | SOLUBLE |
Activity & Biological Data
| Additional Information | [1]. Zhang L, et al. Mechanism of 2,3-butanediol stereoisomers formation in a newly isolated Serratia sp. T241. Sci Rep. 2016 Jan 12;6:19257. |
|---|
Customs & Trade Information
| HS Code | 2905399090 |
|---|---|
| Summary | 2905399090 other diols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,3-Butanediol?
The CAS number of 2,3-Butanediol is 513-85-9.
What are the molecular formula and molecular weight of 2,3-Butanediol?
2,3-Butanediol has molecular formula C4H10O2 and molecular weight 90.121 g/mol.
Which suppliers offer 2,3-Butanediol?
1 supplier(s) listed; reference unit price ¥1.39–9.50 /ml.
What are the upstream and downstream products of 2,3-Butanediol?
For 2,3-Butanediol, Upstream Products: Glycerol, 2,3-Butanedione, Ethanol; Downstream Products: Ethyl 2-fluoro-2-methylpropanoate, 1,2-Dimethyl-3H-benzo[e]indole, Acetoin.
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-Butanediol (CAS 513-85-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11462-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.