3-HEXYNE Property

Melting point:

-103.1°C

Boiling point:

81-82 °C (lit.)

Density 

0.723 g/mL at 25 °C (lit.)

vapor pressure 

186 mm Hg ( 37.7 °C)

refractive index 

n20/D 1.411(lit.)

Flash point:

6 °F

storage temp. 

Flammables area

solubility 

0.559g/l

form 

Liquid

color 

Clear colorless to pale yellow

Specific Gravity

0.72

Water Solubility 

Not miscible in water.

BRN 

1731158

CAS DataBase Reference

928-49-4(CAS DataBase Reference)

Safety

Hazard Codes 

F,Xn,Xi

Risk Statements 

11-36/37/38-65

Safety Statements 

16-26-36-62-33-7/9

RIDADR 

UN 3295 3/PG 2

WGK Germany 

3

HazardClass 

3

PackingGroup 

II

HS Code 

29012990

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

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.

P331Do NOT induce vomiting.

3-HEXYNE Chemical Properties,Usage,Production

Chemical Properties

CLEAR COLORLESS TO PALE YELLOW LIQUID

Uses

3-Hexyne is used in the synthesis of fused hetero-hydropyridyl ligands bonded to the {Ru(p-cymene)} organometallic moiety by reacting with ruthenacycles. It was also used in the preparation of [4+2] cycloaddition product by reacting with borole.

Purification Methods

Purify as for 1-hexyne above. [Beilstein 1 IV 1009.]