6-Heptynoic acid Chemical Properties

Melting point:

22°C

Boiling point:

93-94 °C/1 mmHg (lit.)

Density 

0.997 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.451(lit.)

Flash point:

>230 °F

storage temp. 

2-8°C

solubility 

Miscible with dimethylformamide.

pka

4.69±0.10(Predicted)

form 

Oil

color 

Colourless to Light Yellow

BRN 

1747024

Safety Information

Hazard Codes 

C

Risk Statements 

34

Safety Statements 

26-36/37/39-45

RIDADR 

UN 3265 8/PG 3

WGK Germany 

3

F 

10-23

HazardClass 

8

HS Code 

29161900

MSDS

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6-Heptynoic acid Usage And Synthesis

Chemical Properties

Colorless liquid

Uses

6-Heptynoic acid is used as a precursor for the the preparation of boradiazaindacenes (BODIPY dyes) by reacting with oxalylchloirde. It is used to prepare 4,4-difluoro-8-(hept-6-yne)-3,5-di(2-(4-methoxyphenyl))-4-bora-3a,4a-diaza-sindacene by reacting with 2-(4-methoxyphenyl)-1H-pyrrole.

Definition

ChEBI: 6-heptynoic acid is a medium-chain fatty acid.

General Description

6-Heptynoic acid is an alkynoic acid with an acetylene bond. It undergoes condensation with various pyrroles to afford optical diverse fluorescent dyes with a terminal alkyne.

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