3-Chloro-3-methyl-1-butyne

ALDRICH/301345 - 97%

Synonym: α,α-Dimethylpropargyl chloride; 2-Chloro-2-methyl-3-butyne; 2-Methyl-2-chloro-3-butyne; 2-Methyl-3-butyn-2-yl chloride; 3-Chloro-3-methyl-1-butyne; 3-Chloro-3-methylbutyne; 3-Methyl-1-butyn-3-yl chloride; 3-Methyl-3-chloro-1-butyne; 3-Methyl-3-chlorobutyne

CAS Number: 1111-97-3
Empirical Formula (Hill Notation): C₅H₇Cl
Molecular Weight: 102.56
EC Number: 214-188-9
MDL Number: MFCD00190221
Linear Formula: ClC(CH₃)₂C≡CH
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-301345-5G	5 g	$147.00 1/EA	Add To Favorites
45-301345-25G	25 g	$412.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	97%
bp	73-75 °C (lit.)
density	0.913 g/mL at 25 °C (lit.)
form	liquid
functional group	alkyl halide
	chloro
InChI	1S/C5H7Cl/c1-4-5(2,3)6/h1H,2-3H3
InChI key	QSILYWCNPOLKPN-UHFFFAOYSA-N
mp	−61 °C (lit.)
Quality Level	100
refractive index	n20/D 1.418 (lit.)
SMILES string	CC(C)(Cl)C#C
storage temp.	2-8°C

Application:	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
Packaging:	5, 25 g in ampule

Symbol	GHS02,GHS07
Signal word	Danger
Hazard statements	H225 - H302 + H312 + H332
Precautionary statements	P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312
Hazard Codes	F,Xn
Risk Statements	11-20/21/22
Safety Statements	16-26-36
RIDADR	UN 1993BF 3 / PGII
WGK Germany	WGK 3
Flash Point(F)	39.2 °F - closed cup
Flash Point(C)	4 °C - closed cup

Purity	97%
bp	73-75 °C (lit.)
mp	−61 °C (lit.)
Density	0.913 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.418 (lit.)
Storage Temp.	2-8°C
UNSPSC	12352100

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