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4-METHYL-2-PENTYNE

4-METHYL-2-PENTYNE Structure
4-METHYL-2-PENTYNE structure
CAS No.
21020-27-9
Chemical Name:
4-METHYL-2-PENTYNE
Synonyms
methylpentyne;4-METHYL-2-PENTYNE;4-methyl-pent-2-yne;2-pentyne,4-methyl-;2-Pentyne, 4-methyl-;4-Methyl-2-pentyne>4-Methyl-2-pentyne,95%;4-METHYL-2-PENTYNE 96+%;ISOPROPYLMETHYLACETYLENE;methyl(isopropyl)acetylene
CBNumber:
CB5250280
Molecular Formula:
C6H10
Molecular Weight:
82.14
MDL Number:
MFCD00041615
MOL File:
21020-27-9.mol
MSDS File:
SDS
Last updated:2026-01-13 11:23:02
Product description Number Pack Size Price
4-Methyl-2-pentyne 96% 649082 5g $92.5
4-Methyl-2-pentyne >96.0%(GC) M0270 5mL $196
4-Methyl-2-Pentyne M220073 50mg $45
4-Methyl-2-pentyne, 97% 16821 10g $223.44
4-METHYL-2-PENTYNE 95.00% CHM0011987 5ML $873.18
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4-METHYL-2-PENTYNE Properties

Melting point 110°C
Boiling point 71-73 °C(lit.)
Density 0.711 g/mL at 25 °C(lit.)
refractive index n20/D 1.407(lit.)
Flash point -100 °F
storage temp. Flammables area
form Liquid
color Clear slightly yellow
InChI 1S/C6H10/c1-4-5-6(2)3/h6H,1-3H3
InChIKey SLMFWJQZLPEDDU-UHFFFAOYSA-N
SMILES CC#CC(C)C
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS02
Signal word  Danger
Hazard statements  H225
Precautionary statements  P210
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F
Risk Statements  11
Safety Statements  16-23-24/25
RIDADR  UN 3295 3/PG 2
WGK Germany  3
HazardClass  3
PackingGroup  II
HS Code  29012900
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 2
NFPA 704
3
2 0

4-METHYL-2-PENTYNE price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 649082 4-Methyl-2-pentyne 96% 21020-27-9 5g $92.5 2025-07-31 Buy
TCI Chemical M0270 4-Methyl-2-pentyne >96.0%(GC) 21020-27-9 5mL $196 2025-07-31 Buy
TRC M220073 4-Methyl-2-Pentyne 21020-27-9 50mg $45 2021-12-16 Buy
GFS CHEMICALS 16821 4-Methyl-2-pentyne, 97% 21020-27-9 10g $223.44 2021-12-16 Buy
American Custom Chemicals Corporation CHM0011987 4-METHYL-2-PENTYNE 95.00% 21020-27-9 5ML $873.18 2021-12-16 Buy
Product number Packaging Price Buy
649082 5g $92.5 Buy
M0270 5mL $196 Buy
M220073 50mg $45 Buy
16821 10g $223.44 Buy
CHM0011987 5ML $873.18 Buy

4-METHYL-2-PENTYNE Chemical Properties,Uses,Production

Chemical Properties

Clear slightly yellow liquid

4-METHYL-2-PENTYNE synthesis

590-38-5
21020-27-9
Synthesis of 4-METHYL-2-PENTYNE from 2-METHYL-3-PENTYN-2-OL

4-METHYL-2-PENTYNE Preparation Products And Raw materials

Raw materials

4-Methyl-1,2-pentadiene. 2-Pentyne, 4-chloro-4-methyl- 1-Butene, 1-(1,1-dimethylethoxy)-2,3-dimethyl-, (Z)- (9CI) 2,3-Pentadiene,2-methyl- cis-4-Methyl-2-pentene
2-METHYL-3-PENTYN-2-OL 3-METHYL-1-BUTYNE 4-Methyl-2-pentanone

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Preparation Products

Cyclopropene, 1,3,3-trimethyl- 4-METHYL-1,3-PENTADIENE

4-METHYL-2-PENTYNE Suppliers

Global( 57)Suppliers
Supplier Tel Email Country ProdList Advantage
CONIER CHEM AND PHARMA LIMITED 		+8618523575427 sales@conier.com China 49977 58
Dayang Chem (Hangzhou) Co.,Ltd. 		+86-0571-88938639 +8617705817739 info@dycnchem.com China 52846 58
PT CHEM GROUP LIMITED 		+86-85511178; peter68@ptchemgroup.com China 35425 58
GIHI CHEMICALS CO.,LIMITED 		+86-571-86217390; +8618058761490 info@gihichemicals.com China 49958 58
Aladdin Scientific 		tp@aladdinsci.com United States 57505 58
J & K SCIENTIFIC LTD. 18210857532; 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40228 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30123 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24529 81
Energy Chemical 021-021-58432009 400-005-6266 sales8178@energy-chemical.com China 44801 61
Supplier Advantage
CONIER CHEM AND PHARMA LIMITED 		58
Dayang Chem (Hangzhou) Co.,Ltd. 		58
PT CHEM GROUP LIMITED 		58
GIHI CHEMICALS CO.,LIMITED 		58
Aladdin Scientific 		58
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61

4-METHYL-2-PENTYNE Spectrum

4-METHYL-2-PENTYNE(21020-27-9)MS4-METHYL-2-PENTYNE(21020-27-9)1HNMR4-METHYL-2-PENTYNE(21020-27-9)IR1

21020-27-9(4-METHYL-2-PENTYNE)Related Search:

1,4-BIS(1-HYDROXYCYCLOHEXYL)-1,3-BUTADIYNE 1,1'-ETHYNYLENEDICYCLOHEXANOL 1-Chloro-2-methyl-3-pentyn-2-ol 2,4,7,9-Tetramethyl-5-decyne-4,7-diol 2,5-Dimethyl-3-hexyne-2,5-diol
1,1,3-Triphenylpropargyl alcohol 3,6-DIMETHYL-4-OCTYN-3,6-DIOL 5-DIMETHYLAMINO-2-METHYL-3-PENTYN-2-OL 4,7-DIMETHYL-5-DECYN-4,7-DIOL 3-hydroxy-3-methyl-1-pentyne,[S,(+)]-3-Methyl-1-pentyne-3-ol,(3R)-3-Methyl-1-pentyne-3-ol,[R,(-)]-3-Methyl-1-pentyne-3-ol,3-Methyl-1-pentyne-3-ol
4-METHYL-1-PENTYNE 2-PENTYNE 2-METHYL-4-PHENYL-3-BUTYN-2-OL 1-CYCLOHEXYL-1-PROPYNE 2,7-DIMETHYL-3,5-OCTADIYN-2,7-DIOL
2,4-DIPHENYL-3-BUTYN-2-OL 1-Phenyl-3-methyl-1-pentyne-3-ol 3,8-DIMETHYL-4,6-DECADIYNE-3,8-DIOL

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2-Pentyne, 4-methyl- 2-pentyne,4-methyl- 4-METHYL-2-PENTYNE, 97%4-METHYL-2-PENTYNE, 97%4-METHYL-2-PENTYNE, 97%4-METHYL-2-PENTYNE, 97% ISOPROPYLMETHYLACETYLENE 4-methyl-pent-2-yne methyl(isopropyl)acetylene methylpentyne 4-METHYL-2-PENTYNE 1-Isopropyl-2-methylacetylene 4-Methyl-2-pentyne,95% 4-METHYL-2-PENTYNE 96+% 1-Methyl-2-isopropylacetylene 4-Methyl-2-pentyne> 21020-27-9 CH3CHCH3C8801CCH3 CH32CHCCCH3 CH3CCCHCH32 21020279 Internal Organic Building Blocks Alkynes Building Blocks Acetylenes Acetylenic Hydrocarbons Acetylenes Acetylenic Hydrocarbons Alkynes Internal Organic Building Blocks Building Blocks Chemical Synthesis Organic Building Blocks