CAS 627-21-4|2-Pentyne|pent-2-yne|2-pentyne|Ethylmethylacetylene|1-Ethyl-2-methylacetylene|2-戊炔|2-Pentyne|Ethyl methyl acetylene

InChI=1S/C5H8/c1-3-5-4-2/h3H2,1-2H3

NKTDTMONXHODTI-UHFFFAOYSA-N

H Acceptors

H Donor

LogD (pH = 5.5)

2.271276

LogD (pH = 7.4)

2.271276

Log P

2.271276

Molar Refractivity

24.1686

Polarizability

8.870779

Polar Surface Area

0.0

Rotatable Bonds

Lipinski's Rule of Five

true

2-PentyneEthylmethylacetylene1-Ethyl-2-methylacetylene2-戊炔2-PentyneEthyl methyl acetylene

IUPAC Traditional name

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CH3C≡CCH2CH3

98%

98+%

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Flammable Liquid

Acute toxicity (oral, dermal, inhalation), category 4

Skin irritation, category 2

Eye irritation, category 2

Skin sensitisation, category 1

Specific Target Organ Toxicity – Single exposure, category 3

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05216508

MP Biomedicals Rare Chemical collection

271357

Packaging
5 g in ampule

• 2-Alkynes are metallated almost exclusively at the terminal position by t-BuLi in ether, in the presence of TMEDA. Subsequent reaction, e.g. with TMS chloride, gives propargylic silanes: Synthesis, 111 (1984).

Names and Identifiers

Synonyms

2-PentyneEthylmethylacetylene1-Ethyl-2-methylacetylene2-戊炔2-PentyneEthyl methyl acetylene

IUPAC name

pent-2-yne

IUPAC Traditional name

2-pentyne

Registration numbers

Beilstein Number

CAS Number

MDL Number

EC Number

Wikipedia Title

PubChem CID

Chemspider ID

PubChem SID

Molecule Details

MP Biomedicals Rare Chemical collection

Wikipedia

2-Pentyne

Sigma Aldrich

271357

Packaging
5 g in ampule

References

PubChem Literature

From Data Sources

Bioactivity

PubChem BioAssay

Flammable gases, category 1

Flammable aerosols, categories 1,2

Flammable liquids, categories 1,2,3

Self-reactive substances and mixtures, Types B,C,D,E,F

Pyrophoric liquids, category 1

Pyrophoric solids, category 1

Self-heating substances and mixtures

Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3

Organic peroxides, Types B,C,D,E,F

Respiratory sensitization, category 1

Germ cell mutagenicity, categories 1A,1B,2

Carcinogenicity, categories 1A,1B,2

Reproductive toxicity, categories 1A,1B,2

Specific Target Organ Toxicity – Single exposure, categories 1,2

Specific Target Organ Toxicity – Repeated exposure, categories 1,2

Aspiration Hazard, category 1

Packing Group

GHS Signal Word

Danger

Personal Protective Equipment

Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)

RID/ADR

UN 3295 3/PG 2

European Hazard Symbols

Flammable (F)

Irritant (Xi)

Harmful (X)

UN Number

3295

UN3295

German water hazard class

Hazard Class

GHS Hazard statements

H225-H315-H319-H335

H225-H304-H315-H319-H335

GHS Precautionary statements

P210-P261-P305+P351+P338

P210-P280G-P301+P310-P305+P351+P338-P315-P403

Safety Statements

16-26-36/37/39

9-16-26-29-33-37-62

Risk Statements

11-36/37/38

11-36/37/38-65

TSCA Listed

否

Certificate of Analysis

Molecule

ID:89890