ChemicalBook > CAS DataBase List > 4,4-Dimethyl-2-pentyne

4,4-Dimethyl-2-pentyne

Product Name
4,4-Dimethyl-2-pentyne
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-;2-pentyne,4,4-dimethyl-;4,4-dimethyl-pent-2-yne;tert-butylmethylacetylene
CBNumber
CB1484207
Molecular Formula
C7H12
Formula Weight
96.17
MOL File
999-78-0.mol
More
Less

4,4-Dimethyl-2-pentyne Property

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)
More
Less

Safety

Risk Statements 
11
Safety Statements 
9-16-33
RIDADR 
3295
HazardClass 
3
PackingGroup 
II
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Hazard statements

H225Highly Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

Precautionary statements

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

P243Take precautionary measures against static discharge.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P315Get immediate medical advice/attention.

P403Store in a well-ventilated place.

More
Less

N-Bromosuccinimide Price

Alfa Aesar
Product number
L10210
Product name
4,4-Dimethyl-2-pentyne, 97+%
Packaging
1g
Price
$52.65
Updated
2024/03/01
Alfa Aesar
Product number
L10210
Product name
4,4-Dimethyl-2-pentyne, 97+%
Packaging
5g
Price
$188
Updated
2024/03/01
Strem Chemicals
Product number
06-0150
Product name
t-Butylmethylacetylene, min. 98%
Packaging
1g
Price
$49
Updated
2024/03/01
Strem Chemicals
Product number
06-0150
Product name
t-Butylmethylacetylene, min. 98%
Packaging
5g
Price
$196
Updated
2024/03/01
GFS CHEMICALS
Product number
83721
Product name
4,4-DIMETHYL-2-PENTYNE98%
Packaging
5G
Price
$119.85
Updated
2021/12/16
More
Less

4,4-Dimethyl-2-pentyne Chemical Properties,Usage,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

More
Less

4,4-Dimethyl-2-pentyne Suppliers

Service Chemical Inc.
Tel
--
Fax
--
Email
sales@chemos-group.com
Country
Germany
ProdList
6350
Advantage
71
ABCR GmbH & CO. KG
Tel
--
Fax
--
Email
info@abcr.de
Country
Germany
ProdList
6831
Advantage
75

999-78-0, 4,4-Dimethyl-2-pentyneRelated Search:


  • 4,4-DIMETHYL-2-PENTYNE
  • T-BUTYLMETHYLACETYLENE
  • TIMTEC-BB SBB008719
  • (tert-C4H9)CequivCCH3
  • 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, 97+%
  • t-Butylmethylacetylene, min. 98%
  • 4,4-DIMETHYL-2-PENTYNE, 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
  • 999-78-0
  • 999780
  • CH33CCCCH3
  • C4H9CCCH3
  • organic compound