2-OCTYNOIC ACID Property

Melting point:

2-5 °C(lit.)

Boiling point:

148-149 °C19 mm Hg(lit.)

Density 

0.961 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.46(lit.)

Flash point:

214 °F

storage temp. 

Sealed in dry,Room Temperature

pka

2.45±0.10(Predicted)

form 

liquid

color 

Yellow

CAS DataBase Reference

5663-96-7(CAS DataBase Reference)

Safety

Hazard Codes 

C

Risk Statements 

20/21/22-34

Safety Statements 

26-27-36/37/39-45

RIDADR 

UN 3265 8/PG 2

WGK Germany 

3

RTECS 

RI2725000

HazardClass 

8

PackingGroup 

II

HS Code 

29161995

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

H318Causes serious eye damage

Precautionary statements

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

2-OCTYNOIC ACID Chemical Properties,Usage,Production

Chemical Properties

clear colorless to light yellow liquid

Definition

ChEBI: Octanoic acid (caprylic acid) which has been doubly dehydrogenated at positions 2 and 3 to give the corresponding alkynoic acid. It is widely used in perfumes, lipstick, and many common food flavourings.

Synthesis Reference(s)

Synthesis, p. 498, 1987 DOI: 10.1055/s-1987-27983