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2-Pentyne

CAT: 0286-P04900-02Size: 25 gDry Ice: NoHazardous: Yes
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CAT#:0286-P04900-02Size:25 g
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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CAS Number
627-21-4
UN Code
UN3295
Pictogram
02 - Flammable; 07 - Irritant
UDF Signal Word
Danger
MDL Number
MFCD00009380
Hazard Statement
H225 Highly flammable liquid and vapor; H302 Harmful if swallowed; H312 Harmful in contact with skin; H315 Causes skin irritation; H319 Causes serious eye irritation; H332 Harmful if inhaled; H335 May cause respiratory irritation.
DOT Name
Hydrocarbons, Liquid, N.O.S.
DOT Classification
Class 3
Packaging Group
PGII
Precautions
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking; P240 Ground/bond container and receiving equipment; P241 Use explosion-proof electrical/ventilating/lighting/[ ]/equipment; P261 Avoid breathing dust/fume/gas/mist/vapors/spray; P280 Wear protective gloves/protective clothing/eye protection/face protection; P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell; P302+P352 IF ON SKIN: wash with plenty of soap and water; P303+P361+P353 IF ON SKIN (or hair) : Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower; P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing; P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing; P332+P313 IF SKIN irritation occurs: Get medical advice/attention.

Chemical Information

2-Pentyne
CAS Number627-21-4
PubChem CID12310
IUPAC Namepent-2-yne
Molecular FormulaC5H8
Molecular Weight68.12
XLogP1.9
Topological Polar Surface Area0
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Heavy Atom Count5
Formal Charge0
Complexity58
SMILES
CCC#CC
InChI
InChI=1S/C5H8/c1-3-5-4-2/h3H2,1-2H3
InChIKey
NKTDTMONXHODTI-UHFFFAOYSA-N
Chemical Structure
2D Structure
2D structure of 2-Pentyne
CAS: 627-21-4
CID: 12310
Formula: C5H8
MW: 68.12
Interactive 3D Structure
Loading 3D structure...
View on PubChemRaw 3D data
Computed Properties
PropertyValue
Molecular Weight68.12
XLogP31.9
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass68.062600255
Monoisotopic Mass68.062600255
Topological Polar Surface Area0 Ų
Heavy Atom Count5
Formal Charge0
Complexity58.6
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently-Bonded Unit Count1
Compound Is CanonicalizedYes

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