2-OCTYNOIC ACID Chemical Properties

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 Information

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

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

2-OCTYNOIC ACID Usage And Synthesis

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

2-OCTYNOIC ACID(5663-96-7)Related Product Information

• 2-OCTYNOIC ACID
• 2-Octynoic acid, (3Z)-3-hexenyl ester
• 2-OCTYNE
• 2-OCTYNOIC ACID ISOAMYL ESTER
• 2-OCTYNOIC ACID ETHYL ESTER 97+%,2-OCTYNOIC ACID ETHYL ESTER
• METHYL 2-NONYNOATE
• ETHYL 2-NONYNOATE
• 2-OCTYNOIC ACID METHYL ESTER 97+%,2-OCTYNOIC ACID METHYL ESTER
• 2-UNDECYNOIC ACID METHYL ESTER
• 2-NONYNOIC ACID CIS-3-HEXEN-1-YL ESTER
• 3-(1-HYDROXYCYCLOHEXYL)-2-PROPYNOIC ACID
• 2-UNDECYNOIC ACID ETHYL ESTER
• 2-NONYNOIC ACID
• 4-Octynoic acid, 7-(t-butyldimethylsilyloxy)-, t-butyldimethylsilyl es ter
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• 2-Octynoic acid, hydrazide
• 2-OCTYNOIC ACID CIS-3-HEXEN-1-YL ESTER
• AKOS 90720