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
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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)
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Safety

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

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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
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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

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4,4-Dimethyl-2-pentyne Suppliers

China 7 Germany 2 United Kingdom 1 United States 10 Global 20
Aladdin Scientific
Tel
+1-833-552-7181
Email
sales@aladdinsci.com
Country
United States
ProdList
52927
Advantage
58

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

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  • 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