3-CHLORO-3-METHYL-1-BUTYNE Chemical Properties

Melting point:

-61 °C (lit.)

Boiling point:

73-75 °C (lit.)

Density 

0.913 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.418(lit.)

Flash point:

40 °F

storage temp. 

2-8°C

solubility 

Chloroform, Hexane (Slightly)

form 

Liquid

color 

Clear colorless to straw

Specific Gravity

0.91

InChIKey

QSILYWCNPOLKPN-UHFFFAOYSA-N

CAS DataBase Reference

1111-97-3(CAS DataBase Reference)

EPA Substance Registry System

1-Butyne, 3-chloro-3-methyl- (1111-97-3)

Safety Information

Hazard Codes 

F,Xn,Xi

Risk Statements 

11-20/21/22

Safety Statements 

16-26-36

RIDADR 

UN 1993 3/PG 2

WGK Germany 

3

TSCA 

Yes

HazardClass 

3

PackingGroup 

II

HS Code 

29032990

MSDS

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

3-CHLORO-3-METHYL-1-BUTYNE Usage And Synthesis

Chemical Properties

Clear colorless to straw colored liquid

Uses

3-Chloro-3-methyl-1-butyne was used in preparation of:

• series of benzo[b]pyrano[2,3-i]xanthen-6-ones and benzo[b]pyrano[3,2-h]xanthen-7-ones
• 6-hydroxy-3,3-dimethyl-3H,7H-benzo[a]pyrano[3,2-h]xanthen-7-one
• 5-hydroxy-2,2-dimethyl-2H,6H-benzo[a]pyrano[2,3-i]xanthen-6-one
• 3,3-dimethyl-3Hbenzofuro[3,2-f][1]-benzopyran

Uses

3-Chloro-3-methyl-1-butyne is a propargyl chloride used to alkylate methanol, ethanol, ammonia and amines to the corresponding propargylic ether and amines.

3-CHLORO-3-METHYL-1-BUTYNE(1111-97-3)Related Product Information

• Chloromethyl silane
• TRANS-4-METHYL-2-PENTENE
• Methyltrichlorosilane
• 1-Methylcyclohexanol
• 3-METHYL-1-BUTYNE
• 1-Chloro-3-methyl-1-butyne-3-ol
• 4-Chloro-3-methyl-1-butyne
• 3-Chloropropyne
• Cyclohexane, 1-chloro-1-ethynyl- (6CI, 7CI, 8CI, 9CI)
• 1-CHLORO-1-HEX-1-YNYL-CYCLOHEXANE
• 3-CHLORO-1-BUTYNE
• 3-CHLORO-3-ETHYLBUTYNE
• 3-CHLORO-3-METHYL-1-BUTYNE