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3-METHYL-1-BUTYNE

Product Name
3-METHYL-1-BUTYNE
CAS No.
598-23-2
Chemical Name
3-METHYL-1-BUTYNE
Synonyms
Isopentyne;isopropylacetylene;3-Methylbutyne;3-methyl-but-1-yne;1-Isopentyne;Isopropylethyne;(CH3)2CHCequivCH;2-Methyl-3-butyne;3-METHYL-1-BUTYNE;Isopropyl acetylene
CBNumber
CB1200489
Molecular Formula
C5H8
Formula Weight
68.12
MOL File
598-23-2.mol
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3-METHYL-1-BUTYNE Property

Melting point:
-89.7°C
Boiling point:
29,5°C
Density 
0.666 g/mL at 25 °C (lit.)
RTECS 
PF9060500
Flash point:
-30°(-22°F)
refractive index 
1.374
storage temp. 
2-8°C
form 
Liquid
color 
Clear colorless to slightly yellow
Water Solubility 
Miscible with alcohol. Immiscible with water.
Henry's Law Constant
5.3×10-4 mol/(m3Pa) at 25℃, Yaws (2003)
InChI
1S/C5H8/c1-4-5(2)3/h1,5H,2-3H3
InChIKey
USCSRAJGJYMJFZ-UHFFFAOYSA-N
SMILES
C#CC(C)C
CAS DataBase Reference
598-23-2
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Safety

Hazard Codes 
F+
Risk Statements 
11-12
Safety Statements 
3/7-9-16-33
RIDADR 
3295
WGK Germany 
3
HazardClass 
3.1
PackingGroup 
II
HS Code 
29012990
Storage Class
3 - Flammable liquids
Hazard Classifications
Flam. Liq. 1
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H224Extremely flammable liquid and vapour

Precautionary statements

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
745723
Product name
3-Methyl-1-butyne
Purity
95%
Packaging
5g
Price
$128
Updated
2026/03/19
Sigma-Aldrich
Product number
745723
Product name
3-Methyl-1-butyne
Purity
95%
Packaging
25g
Price
$379
Updated
2026/03/19
TRC
Product number
M295070
Product name
3-Methyl-1-butyne
Packaging
5g
Price
$305
Updated
2021/12/16
GFS CHEMICALS
Product number
82041
Product name
3-Methyl-1-butyne, 96%
Packaging
10g
Price
$105.8
Updated
2021/12/16
TRC
Product number
M295070
Product name
3-Methyl-1-butyne
Packaging
1g
Price
$120
Updated
2021/12/16
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3-METHYL-1-BUTYNE Chemical Properties,Usage,Production

Chemical Properties

Clear colorless to slightly yellow liquid

Uses

3-Methyl-1-butyne is a terminal alkyne that under goes hydrosilylation reaction using phenylsilane. 3-Methyl-1-butyne is used as an intermediate for pharmaceuticals, in cosmetics and in chemical research.

Definition

ChEBI: A terminal acetylenic compound that is but-1-yne substituted by a methyl group at position 3.

3-METHYL-1-BUTYNE Preparation Products And Raw materials

Raw materials

Preparation Products

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3-METHYL-1-BUTYNE Suppliers

Belgium 1 China 58 Europe 3 Germany 2 India 1 Japan 1 United States 10 Global 76
J & K SCIENTIFIC LTD.
Tel
18210857532; 18210857532
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006356688 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
Wuhan Chemwish Technology Co., Ltd
Tel
86-027-67849912
Fax
86-027-87531808
Email
sales@chemwish.com
Country
China
ProdList
35896
Advantage
56
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
Tel
+86-21-54098501
Fax
+86-21-54096319
Email
sales@sinch.com.cn
Country
China
ProdList
11598
Advantage
64
Maya High Purity Chemicals
Tel
+86 (573) 82222445 (0)18006601000 452520369
Fax
+86 (573) 82222643
Email
sales@maya-r.com
Country
China
ProdList
11707
Advantage
57
Thermo Fisher Scientific
Tel
800-810-5118
Fax
+86-10-84193589
Email
cnchemical@thermofisher.com
Country
China
ProdList
17770
Advantage
75
Shanghai Topbiochem Technology Co., Ltd
Tel
021-58170097 15801866362;
Email
info@topbiochem.com
Country
China
ProdList
9520
Advantage
58
Shanghai T&W Pharmaceutical Co., Ltd.
Tel
+86 21 61551611
Fax
+86 21 50676805
Country
China
ProdList
9891
Advantage
58
9ding chemical ( Shanghai) Limited
Tel
4009209199
Fax
86-021-52271987
Email
sales@9dingchem.com
Country
China
ProdList
22514
Advantage
55
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View Lastest Price from 3-METHYL-1-BUTYNE manufacturers

Zhuozhou Wenxi import and Export Co., Ltd
Product
3-METHYL-1-BUTYNE 598-23-2
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11
Career Henan Chemical Co
Product
3-METHYL-1-BUTYNE 598-23-2
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200kgs
Release date
2020-02-14

598-23-2, 3-METHYL-1-BUTYNERelated Search:

1,1-DIETHYLPROPARGYLAMINE 2,4,7,9-Tetramethyl-5-decyne-4,7-diol 1-ETHYNYLCYCLOHEXYLAMINE 1-Ethynyl-1-cyclohexanol 3,6-DIMETHYL-4-OCTYN-3,6-DIOL Ethisterone 2-PHENYL-3-BUTYN-2-OL 1,1-Dimethylpropargylamine, 3-Amino-3-methyl-1-butyne,3-AMINI-3-METHYL-1-BUTYNE,3-AMINO-3-METHYL-1-BUTYNE,3-Methyl-1-butyne-3-amine 3,3-Dimethyl-1-butyne 1-Chloro-2-methyl-3-pentyn-2-ol 3-Methyl-1-pentyn-3-ol Ethynyl estradiol 1-ETHYNYLCYCLOPENTANOL 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether 1,1,3-Triphenylpropargyl alcohol 3-HYDROXY-3-METHYL-1-BUTYNE,2-Hydroxy-2-methyl-3-butyne,2-METHYL-3-BUTYNE-2-0L,2-Methyl-3-Butyne-2-Ol CYCLOHEXYLACETYLENE 2,5-Dimethyl-3-hexyne-2,5-diol

  • 1-Butyne, 3-methyl- (6CI, 7CI, 8CI, 9CI)
  • 3-METHYL-1-BUTYNE,96%
  • 3-Methyl-1-butyneIsopropylacetylene
  • 3-Methyl-1-butyne ,95%
  • 1-Isopentyne
  • Isopropylethyne
  • 3-Methyl-1-butyne 95%
  • (CH3)2CHCequivCH
  • 2-Methyl-3-butyne
  • 3-METHYL-1-BUTYNE, 96%3-METHYL-1-BUTYNE, 96%3-METHYL-1-BUTYNE, 96%3-METHYL-1-BUTYNE, 96%
  • 3,3-dimethyl-1-propyne
  • 3-methyl-but-1-yne
  • Isopentyne
  • Isopropyl acetylene
  • isopropylacetylene
  • 3-METHYL-1-BUTYNE
  • 3-Methylbutyne
  • 3-Methyl-1-butyne,97%
  • 598-23-2
  • CH32CHCCH
  • 598232