ChemicalBook > CAS DataBase List > 2-PENTYNE

2-PENTYNE

Product Name
2-PENTYNE
CAS No.
627-21-4
Chemical Name
2-PENTYNE
Synonyms
2-PENTYNE;pent-2-yne;Valerylene;CH3C≡CCH2CH3;2-Pentyne>2-PENTYNE 98%;2-Pentyne,98+%;C2H5CequivCCH3;2-Pentyne, 98% 5GR;ETHYLMETHYLACETYLENE
CBNumber
CB5218567
Molecular Formula
C5H8
Formula Weight
68.12
MOL File
627-21-4.mol
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2-PENTYNE Property

Melting point:
-109 °C (lit.)
Boiling point:
56-57 °C (lit.)
Density 
0.71 g/mL at 25 °C (lit.)
vapor pressure 
393 mm Hg ( 37.7 °C)
refractive index 
n20/D 1.404(lit.)
Flash point:
−23 °F
storage temp. 
Flammables area
solubility 
soluble in Ether,Alcohol,Benzene
form 
Liquid
Specific Gravity
0.711
color 
Clear colorless to slightly yellow
explosive limit
1.2-8.8%(V)
BRN 
1696938
CAS DataBase Reference
627-21-4(CAS DataBase Reference)
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Safety

Hazard Codes 
F,Xi
Risk Statements 
11-36/37/38
Safety Statements 
16-26-36/37/39
RIDADR 
UN 3295 3/PG 2
WGK Germany 
3
F 
10-23
HazardClass 
3
PackingGroup 
II
HS Code 
29012900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
271357
Product name
2-Pentyne
Purity
98%
Packaging
5g
Price
$36.3
Updated
2024/03/01
TCI Chemical
Product number
P0628
Product name
2-Pentyne
Purity
>97.0%(GC)
Packaging
5mL
Price
$48
Updated
2024/03/01
TCI Chemical
Product number
P0628
Product name
2-Pentyne
Purity
>97.0%(GC)
Packaging
25mL
Price
$142
Updated
2024/03/01
Alfa Aesar
Product number
L02973
Product name
2-Pentyne, 98+%
Packaging
25g
Price
$117.65
Updated
2024/03/01
GFS CHEMICALS
Product number
82653
Product name
2-Pentyne, 98+%
Packaging
5G
Price
$41.03
Updated
2021/12/16
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2-PENTYNE Chemical Properties,Usage,Production

Chemical Properties

clear colorless to slightly yellow liquid

Uses

2-Pentyne was used to test the catalytic activity of nanoparticles of palladium supported on bacterial biomass, bio-Pd.

Safety Profile

A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. Solutions with silver perchlorate explode on contact with mercury. When heated to decomposition it emits acrid smoke and irritating fumes.

Purification Methods

It is stood with, then distilled at low pressure from sodium or NaBH4. [Beilstein 1 III 958, 1 IV 992.]

2-PENTYNE Preparation Products And Raw materials

Raw materials

Preparation Products

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2-PENTYNE Suppliers

Americas 1 Belgium 1 China 41 Europe 3 Germany 3 India 6 Japan 4 Slovakia 1 Switzerland 2 United Kingdom 9 United States 14 Global 85
J & K SCIENTIFIC LTD.
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627-21-4, 2-PENTYNERelated Search:

2,4,7,9-Tetramethyl-5-decyne-4,7-diol 3,6-DIMETHYL-4-OCTYN-3,6-DIOL 3-HEXYNE 2-OCTYNOIC ACID 2-PENTYNE 2-PENTYNOIC ACID 3-Nonyn-1-ol 4-PHENYL-3-BUTYN-2-ONE 2,5-Dimethyl-3-hexyne-2,5-diol METHYL 2-OCTYNOATE 4-Octyne 3-Hexyn-2,5-diol METHYL 2-NONYNOATE 1-Chloro-2-methyl-3-pentyn-2-ol 3-PENTYN-1-OL 1,1,3-Triphenylpropargyl alcohol 2-HEXYNOIC ACID 3-HEXYN-1-OL

  • 2-PENTYNE 98%
  • 2-Pentyne,98+%
  • Valerylene
  • CH3C≡CCH2CH3
  • 2-Pentyne, 98% 5GR
  • 1-Ethyl-2-methylacetylene
  • C2H5CequivCCH3
  • ETHYLMETHYLACETYLENE
  • 2-PENTYNE
  • pent-2-yne
  • 2-PENTYNE, 98%2-PENTYNE, 98%2-PENTYNE, 98%2-PENTYNE, 98%
  • 2-Pentyne&gt
  • 2-Pentyne (6CI,7CI,8CI,9CI)
  • 627-21-4
  • CH3CH2CCCH3
  • 627214
  • CH3C8801CCH2CH3
  • Building Blocks
  • Alkynes
  • Acetylenic Hydrocarbons
  • Acetylenes
  • Internal
  • Organic Building Blocks
  • Miscellaneous
  • Acetylenes
  • Acetylenic Hydrocarbons
  • Alkynes
  • Internal
  • Organic Building Blocks