Skip to main content

3-Hydroxypropionitrile

Also known as: 2-Cyanoethanol, Ethylene cyanohydrin, Hydracrylonitrile, 3-Hydroxypropanenitrile, Glycol cyanohydrin, β-Hydroxypropionitrile, β-Cyanoethanol, Propanenitrile, 3-hydroxy-, NSC 2598, USAF rh-7

3-Hydroxypropionitrile (CAS 109-78-4) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H5NO and a molecular weight of 71.078 g/mol. Key properties include a melting point of -46 °C, a boiling point of 229.6±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 92.7±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
109-78-4
Jingsj CID
J-1316976-3
Molecular Formula
C3H5NO
Molecular Weight
71.078 g/mol
Category
Nitrogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point-46 °C
Boiling Point229.6±13.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point92.7±19.8 °C
Exact Mass71.037117
PSA44.02000
LogP-0.94
Additional Property2.5 (vs air)
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.419
Additional Property>=10 g/100 mL at 20 ºC

Customs & Trade Information

HS Code2926909090
SummaryHS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Hydroxypropionitrile?

The CAS number of 3-Hydroxypropionitrile is 109-78-4.

What are the molecular formula and molecular weight of 3-Hydroxypropionitrile?

3-Hydroxypropionitrile has molecular formula C3H5NO and molecular weight 71.078 g/mol.

What are the upstream and downstream products of 3-Hydroxypropionitrile?

For 3-Hydroxypropionitrile, Upstream Products: Ethylene oxide, Acrylonitrile, 2-Cyanoethyl ether; Downstream Products: 3-Hydroxypropionic acid, 3-Hydroxypropanamide, Acrylic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Hydroxypropionitrile (CAS 109-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1316976-3 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.