(S)-(+)-1,3-Butanediol
Also known as: (S)-Butane-1,3-diol, (S)-(+)-1,3-Butylene Glycol, (S)-(+)-1,3-Dihydroxybutane, (S)-butane-1,3-diol, BU2, MFCD00064278, EINECS 246-363-0
(S)-(+)-1,3-Butanediol (CAS 24621-61-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H10O2 and a molecular weight of 90.12100 g/mol. Key properties include a melting point of 0ºC, a boiling point of 107 - 110ºC at 23 mm Hg, a density of 1.005 g/mL at 25ºC(lit.) and a flash point of 121ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 24621-61-2
- Jingsj CID
- J-28950-9
- Molecular Formula
- C4H10O2
- Molecular Weight
- 90.12100 g/mol
- Category
- Alcohols
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 0ºC |
|---|---|
| Boiling Point | 107 - 110ºC at 23 mm Hg |
| Density | 1.005 g/mL at 25ºC(lit.) |
| Flash Point | 121ºC |
| Exact Mass | 90.06810 |
| PSA | 40.46000 |
| Additional Property | 3.1 (vs air) |
| Vapor Pressure | 0.06 mm Hg ( 20 °C) |
| Refractive Index | 1.44 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 (S)-(+)-1,3-Butanediol?
The CAS number of (S)-(+)-1,3-Butanediol is 24621-61-2.
What are the molecular formula and molecular weight of (S)-(+)-1,3-Butanediol?
(S)-(+)-1,3-Butanediol has molecular formula C4H10O2 and molecular weight 90.12100 g/mol.
Is (S)-(+)-1,3-Butanediol hazardous?
(S)-(+)-1,3-Butanediol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of (S)-(+)-1,3-Butanediol?
For (S)-(+)-1,3-Butanediol, Upstream Products: 4-Hydroxy-2-butanone, Methyl (S)-(+)-3-hydroxybutyrate, tert-Butyl (3S)-3-hydroxybutanoate; Downstream Products: 4-Bromobutan-2-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-(+)-1,3-Butanediol (CAS 24621-61-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28950-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.