Chinese english Japanese Germany Korea

4,4-Dimethyl-2-pentyne

4,4-Dimethyl-2-pentyne Structure
CAS No.
999-78-0
Chemical Name:
4,4-Dimethyl-2-pentyne
Synonyms
TIMTEC-BB SBB008719;(tert-C4H9)CequivCCH3;2,2-dimethyl-3-pentyne;1-tert-butyl-1-propyne;T-BUTYLMETHYLACETYLENE;4,4-DIMETHYL-2-PENTYNE;Propyne, 1-tert-butyl-;4,4-dimethyl-pent-2-yne;2-pentyne,4,4-dimethyl-;tert-butylmethylacetylene
CBNumber:
CB1484207
Molecular Formula:
C7H12
Molecular Weight:
96.17
MOL File:
999-78-0.mol
Modify Date:
2023/4/23 13:52:06
Request For Quotation

4,4-Dimethyl-2-pentyne Properties

Melting point -82.4°C
Boiling point 83°C
Density 0.718
refractive index 1.4071
Flash point -10°C
form liquid
color colorless
Water Solubility Immiscible with water.
BRN 1733540
CAS DataBase Reference 999-78-0
NIST Chemistry Reference 2-Pentyne, 4,4-dimethyl-(999-78-0)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02,GHS08
Hazard statements  H225-H304
Precautionary statements  P210-P243-P301+P330+P331-P315-P403
Risk Statements  11
Safety Statements  9-16-33
RIDADR  3295
HazardClass  3
PackingGroup  II
NFPA 704
3
3 0

4,4-Dimethyl-2-pentyne Chemical Properties,Uses,Production

Uses

4,4-Dimethyl-2-pentyne is used in organometallic reactions for regioselectivity of its insertion into the Pd-C bond of cyclopalladated complexes. It is also used to prepare pyrimidine-dione by reacting with isocyanate in the presence of nickel/ N-heterocyclic carbene.

Synthesis Reference(s)

Tetrahedron Letters, 22, p. 2443, 1981 DOI: 10.1016/S0040-4039(01)92928-4

4,4-Dimethyl-2-pentyne Preparation Products And Raw materials

Raw materials

Preparation Products

(2,2'-BIPYRIDINE)DICHLOROPALLADIUM(II) 2-Pentenoic acid, 2,4,4-trimethyl-, (2E)-

4,4-Dimethyl-2-pentyne Suppliers

Global( 20)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
CONIER CHEM AND PHARMA LIMITED +8618523575427 China 49391 58 Inquiry
Hebei Guanlang Biotechnology Co., Ltd. +86-19930503259 +86-19930503259 China 18435 58 Inquiry
Aladdin Scientific +1-+1(833)-552-7181 United States 52927 58 Inquiry
ABCR GmbH & CO. KG 49 721 95061 0 Germany 6846 75 Inquiry
Shanghai Xx-lab New Materials Co., Ltd 13585834793 China 1195 58 Inquiry
Shanghai Hao Zhun Biological Technology Co., Ltd. 15800340161 CHINA 6846 58 Inquiry
Shanghai Dowphon Chemical & Technology Co., Ltd 021-68451550 China 39 51 Inquiry
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 China 94717 76 Inquiry
GFS Chemicals 800 858-9682 (U.S. & Canada) United States 3404 75 Inquiry
Pfaltz & Bauer, Inc. (800) 225-5172 United States 6830 72 Inquiry
Supplier Advantage
CONIER CHEM AND PHARMA LIMITED 58
Hebei Guanlang Biotechnology Co., Ltd. 58
Aladdin Scientific 58
ABCR GmbH & CO. KG 75
Shanghai Xx-lab New Materials Co., Ltd 58
Shanghai Hao Zhun Biological Technology Co., Ltd. 58
Shanghai Dowphon Chemical & Technology Co., Ltd 51
J & K SCIENTIFIC LTD. 76
GFS Chemicals 75
Pfaltz & Bauer, Inc. 72

999-78-0(4,4-Dimethyl-2-pentyne)Related Search:

2-PENTYNE N,N-Dimethylacetamide Poly(dimethylsiloxane) N,N-Dimethylformamide 2,6-Lutidine
N,N-Dimethylaniline Dimethyl fumarate Dimethyl sulfide Dimethyl phthalate Dimethyl sulfone
Propyzamide ETHANE Dimethyl sulfoxide Dimethyl ether 1-Chloro-6,6-dimethyl-2-heptene-4-yne
1-Bromo-6,6-dimethyl-2-hepten-4-yne Terbinafine Hydrochloride Terbinafine hydrochloride
chevron_left

1of4

chevron_right
4,4-DIMETHYL-2-PENTYNE T-BUTYLMETHYLACETYLENE TIMTEC-BB SBB008719 (tert-C4H9)CequivCCH3 4,4-Dimethyl-2-pentyne, 97+% t-Butylmethylacetylene, min. 98% t-Butylmethylacetylene,min.98% 1-tert-butyl-1-propyne 2,2-dimethyl-3-pentyne 2-pentyne,4,4-dimethyl- 4,4-dimethyl-pent-2-yne Propyne, 1-tert-butyl- tert-butylmethylacetylene 4,4-DIMETHYL-2-PENTYNE, 98%4,4-DIMETHYL-2-PENTYNE, 98%4,4-DIMETHYL-2-PENTYNE, 98%4,4-DIMETHYL-2-PENTYNE, 98% 4,4-DIMETHYL-2-PENTYNE, 98%, 999-78-0 999780 CH33CCCCH3 C4H9CCCH3 organic compound