2-Cyanopropanoic acid
[CAS# 632-07-5]

Identification

• Name: 2-Cyanopropanoic acid
• Synonyms: 2-Cyanopropionic acid; NSC 528442; alpha-Cyanopropionic acid
• Molecular Formula: C₄H₅NO₂
• Molecular Weight: 99.09
• CAS Registry Number: 632-07-5
• EC Number: 851-346-1

Properties

• Solubility: Soluble (77 g/L) (25 ºC), Calc.^*
• Density: 1.146 g/cm³ (20 ºC)^**
• Melting point: 142-144 ºC^***
• Boiling point: 143-145 ºC (11 Torr)^****
• Refractive index: 1.432 (589.3 nm 23 ºC)^**
• Flash point: 118.1±22.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Wilt, James W.; Journal of Organic Chemistry 1956, V21, P920-1.

^*** Holland, D. O.; Journal of the Chemical Society 1953, P280-5.

^**** Schroeter, G.; Berichte der Deutschen Chemischen Gesellschaft [Abteilung] B: Abhandlungen 1932, V65B, P432-45.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312