ChemicalBook > CAS DataBase List > 3,3-Dimethyl-1-butyne

3,3-Dimethyl-1-butyne

Product Name
3,3-Dimethyl-1-butyne
CAS No.
917-92-0
Chemical Name
3,3-Dimethyl-1-butyne
Synonyms
TERT-BUTYLACETYLENE;T-BUTYL ACETYLENE;3,3-dimethyl-but-1-yne;Neohexyne;-1-butyne;t-butylacetyene;(CH3)3CCequivCH;TERT-BUTYLETHYNE;3,3-Dimethylbutyne;3,3-Dimethyl-1-buty
CBNumber
CB9228568
Molecular Formula
C6H10
Formula Weight
82.14
MOL File
917-92-0.mol
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3,3-Dimethyl-1-butyne Property

Melting point:
-78 °C (lit.)
Boiling point:
37-38 °C (lit.)
Density 
0.667 g/mL at 25 °C (lit.)
vapor pressure 
7.88 psi ( 20 °C)
refractive index 
n20/D 1.374(lit.)
Flash point:
<−30 °F
storage temp. 
2-8°C
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Liquid
color 
Clear colorless
PH
7.51 at 24.8℃ and 10g/L
Water Solubility 
Miscible with chloroform, benzene and toluene. Immiscible with water.
BRN 
1697100
Stability:
Stable, but highly flammable. Readily forms explosive mixtures with air. Note low flash point.
CAS DataBase Reference
917-92-0(CAS DataBase Reference)
NIST Chemistry Reference
1-Butyne, 3,3-dimethyl-(917-92-0)
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Safety

Hazard Codes 
F+,Xi
Risk Statements 
12-36/37/38
Safety Statements 
3-16-26-33-7/9
RIDADR 
UN 3295 3/PG 2
WGK Germany 
3
HazardClass 
3
PackingGroup 
I
HS Code 
29012990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H412Harmful to aquatic life with long lasting effects

Precautionary statements

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

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P273Avoid release to the environment.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
244392
Product name
3,3-Dimethyl-1-butyne
Purity
98%
Packaging
5g
Price
$83.5
Updated
2024/03/01
Sigma-Aldrich
Product number
244392
Product name
3,3-Dimethyl-1-butyne
Purity
98%
Packaging
25g
Price
$393
Updated
2024/03/01
TCI Chemical
Product number
B1114
Product name
3,3-Dimethyl-1-butyne
Purity
>96.0%(GC)
Packaging
10mL
Price
$63
Updated
2024/03/01
TCI Chemical
Product number
B1114
Product name
3,3-Dimethyl-1-butyne
Purity
>96.0%(GC)
Packaging
100mL
Price
$368
Updated
2024/03/01
Alfa Aesar
Product number
A14013
Product name
3,3-Dimethyl-1-butyne, 98%
Packaging
5g
Price
$82
Updated
2024/03/01
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3,3-Dimethyl-1-butyne Chemical Properties,Usage,Production

Chemical Properties

colourless liquid

Uses

3,3-Dimethyl-1-butyne is used as an active pharmaceutical intermediate for terbinafine. It is also used in the preparation of 2,2,7,7-tetramethyl-octa-3,5-diyne. Further, it is used in the synthesis of erythro and threo isomers of B-(3,3-dimethyl-1,2-dideuterio-1-butyl)-9-BBN by hydroboration-deuteronolysis-hydroboration sequence.

Synthesis Reference(s)

Tetrahedron Letters, 25, p. 2089, 1984 DOI: 10.1016/S0040-4039(01)81168-0

Hazard

3,3-Dimethyl-1-butyne may cause skin, eye and respiratory irritation; is corrosive to skin and is harmful if ingested (may cause lung damage if inhaled).

3,3-Dimethyl-1-butyne Preparation Products And Raw materials

Raw materials

1,1-DICHLORO-3,3-DIMETHYLBUTANE

Preparation Products

Terbinafine
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3,3-Dimethyl-1-butyne Suppliers

Americas 1 Belgium 1 China 313 Czech Republic 2 Europe 4 Germany 5 India 12 Japan 6 Jordan 1 Slovakia 1 Switzerland 4 The Netherlands 1 United Kingdom 11 United States 44 Global 406
TOKYO CHEMICAL INDUSTRY CO., LTD.
Tel
03-36680489
Fax
03-3668-0520
Email
Sales-JP@TCIchemicals.com
Country
Japan
ProdList
28387
Advantage
80
Fine Corporation
Tel
--
Fax
--
Email
info@fine-c.jp
Country
Japan
ProdList
1427
Advantage
58
Hattori Corporation
Tel
--
Fax
--
Email
info@hattoricorp.com
Country
Japan
ProdList
1254
Advantage
58
TCI Japan
Tel
--
Fax
--
Email
@TCIchemicals.com
Country
Japan
ProdList
2741
Advantage
58
Kanto Chemical Co., Inc.
Tel
--
Fax
--
Email
reag-info@gms.kanto.co.jp
Country
Japan
ProdList
6756
Advantage
74
Junsei Chemical Co., Ltd.
Tel
--
Fax
--
Email
shiyaku@junsei.co.jp
Country
Japan
ProdList
3096
Advantage
46
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View Lastest Price from 3,3-Dimethyl-1-butyne manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
3,3-Dimethyl-1-butyne 917-92-0
Price
US $0.00/Kg/Drum
Min. Order
1KG
Purity
99%min;
Supply Ability
5000kg/month
Release date
2021-06-02
Hebei Weibang Biotechnology Co., Ltd
Product
3,3-Dimethyl-1-butyne 917-92-0
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-11-04
Shaanxi Haibo Biotechnology Co., Ltd
Product
3,3-Dimethyl-1-butyne 917-92-0
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000ton
Release date
2023-09-01

917-92-0, 3,3-Dimethyl-1-butyneRelated Search:

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  • TERT-BUTYLACETYLENE
  • T-BUTYL ACETYLENE
  • 3,3-DIMETHYL-1-BUTYNE(INTERMEDIATE OF TERBINAFINE)
  • 1-Butyne, 3,3-dimethyl- (6CI, 8CI, 9CI)
  • 3,3-DIMETHYL-1-BUTYNE(TERT-BUTYLACETYLENE)
  • 3.3-DIMETHYL-1-BUTYNE 97+%
  • TERT-BUTYLETHYNE
  • Neohexyne
  • 1-(tert-Butyl)ethyne
  • 3,3-Dimethyl-1-butyne,98%
  • t-butylacetyene
  • 3,3-DiMethyl-1-butyne, 98% 5ML
  • 3,3-DiMethyl-1-butyne 98%
  • (CH3)3CCequivCH
  • 3,3,3-Trimethylpropyne
  • 3,3-dimethyl-but-1-yne
  • 3,3-Dimethylbutyne
  • 1-BUTYNE, 3,3-DIMETHYL-
  • 1,2-DIMETHYL-1,4-CYCLOHEXADIENE
  • 3,3-Dimethy1-1-Butyne
  • 3,3-DIMETHYL-1-BUTYNE
  • 3,3-DIMETHYLBUTYNE-1
  • Chloro--6,6-Dimethyl-2-Heptene-4-Yne ---Terbinafine Int
  • 3,3-Dimethyl-1-buty
  • 3,3-DIMETHYL-1-BUTYNE, 97%3,3-DIMETHYL-1-BUTYNE, 97%3,3-DIMETHYL-1-BUTYNE, 97%3,3-DIMETHYL-1-BUTYNE, 97%
  • 3,3-Dimethyl-1-butyne &gt
  • 3,3-Dimethyl-1-butyne, 98%, for synthesis
  • -1-butyne
  • （HCL Terbinafine），3,3-Dimethyl-1-butyne
  • 3.3-Dimethyl-l-butyne
  • 3,3-Dimethyl-1-butyne3,3-Dimethyl-1-butyne
  • 3,3-Dimethyl-1-butyne 3,3-
  • 3,3-dimethyl-1-butylene (alkyne)
  • 3-3'-Dimethyl-1-Butyne
  • Terbinafine lmpurity 27
  • 917-92-0
  • 76-65-0
  • C6H10
  • CH33CCCH
  • CH33CC8801CH
  • 917920
  • ALKYNE
  • Acetylenic Hydrocarbons
  • Acetylenes
  • Building Blocks
  • Alkynes
  • Terminal
  • Organic Building Blocks
  • Terbinafine
  • Acetylenes
  • Acetylenic Hydrocarbons
  • PHARMACEUTICAL INTERMEDIATES