ChemicalBook >> CAS DataBase List >>4,4-Dimethyl-2-pentyne
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-;4,4-dimethyl-pent-2-yne;2-pentyne,4,4-dimethyl-;tert-butylmethylacetylene
- CBNumber:
- CB1484207
- Molecular Formula:
- C7H12
- Molecular Weight:
- 96.17
- MDL Number:
- MFCD00041613
- MOL File:
- 999-78-0.mol
Last updated:2023-04-23 13:52:06
| 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 |
|
4,4-Dimethyl-2-pentyne price More Price(5)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Alfa Aesar | L10210 | 4,4-Dimethyl-2-pentyne, 97+% | 999-78-0 | 1g | $52.65 | 2024-03-01 | Buy |
| Alfa Aesar | L10210 | 4,4-Dimethyl-2-pentyne, 97+% | 999-78-0 | 5g | $188 | 2024-03-01 | Buy |
| Strem Chemicals | 06-0150 | t-Butylmethylacetylene, min. 98% | 999-78-0 | 1g | $49 | 2024-03-01 | Buy |
| Strem Chemicals | 06-0150 | t-Butylmethylacetylene, min. 98% | 999-78-0 | 5g | $196 | 2024-03-01 | Buy |
| GFS CHEMICALS | 83721 | 4,4-DIMETHYL-2-PENTYNE98% | 999-78-0 | 5G | $119.85 | 2021-12-16 | Buy |
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
4,4-Dimethyl-2-pentyne Suppliers
Global( 20)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49390 | 58 |
| Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503259 +86-19930503259 | cherry@crovellbio.com | China | 18456 | 58 |
| Aladdin Scientific | +1-833-552-7181 | sales@aladdinsci.com | United States | 52927 | 58 |
| J & K SCIENTIFIC LTD. | 010-82848833 400-666-7788 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30132 | 84 |
| Shanghai Xx-lab New Materials Co., Ltd | 13585834793 | xx_lab@126.com | China | 1195 | 58 |
| Supplier | Advantage |
|---|---|
| CONIER CHEM AND PHARMA LIMITED | 58 |
| Hebei Guanlang Biotechnology Co., Ltd. | 58 |
| Aladdin Scientific | 58 |
| J & K SCIENTIFIC LTD. | 76 |
| Alfa Aesar | 84 |
| Shanghai Xx-lab New Materials Co., Ltd | 58 |
999-78-0(4,4-Dimethyl-2-pentyne)Related Search:
1of4
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