2-Ethyl-1-butene, 95%+

Name: 2-Ethyl-1-butene, 95%+
Brand: Vaqora Chemicals
SKU: VQ-011192

About 2-Ethyl-1-butene, 95%+

Vaqora Chemicals supplies 2-Ethyl-1-butene (Puriss grade), a hydrocarbon registered under CAS number 760-21-4 at a purity of ≥95%. Its molecular formula is C6H12 and its molecular weight is 84.16 g/mol. Its systematic (IUPAC) name is 3-methylidenepentane. Common synonyms include 1,1-Diethylethylene and 3-Methylenepentane.

It is supplied as a colourless liquid. Literature values give a melting point of -131.5 to -131 °C and a boiling point of 64-65 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis, pharmaceutical synthesis and fine chemical synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2-Ethyl-1-butene in 10 mL, 50 mL and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
Pharmaceutical synthesis
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Ethyl-1-butene, 95%+
Catalogue No.	VQ-011192
CAS Number	760-21-4
IUPAC name	3-methylidenepentane
Molecular formula	C₆H₁₂
Molecular weight	84.16 g/mol
Exact mass	84.0939
Grade	Puriss
Purity / assay	≥95%
HSN code	29420090
InChIKey	RYKZRKKEYSRDNF-UHFFFAOYSA-N
SMILES	CCC(=C)CC
PubChem CID	12970

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
Melting point	-131.5 to -131 °C
Boiling point	64-65 °C
Density	0.689 g/mL at 25 °C
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
UN number	UN 3295
Synonyms	1,1-Diethylethylene, 3-Methylenepentane, Pentane, 3-methylene-, 2-Ethylbut-1-ene, 1-Butene, 2-ethyl-, 1,1-Diethylethene, 2-Ethyl-1-butene, 95%, (C2H5)2C=CH2

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H304May be fatal if swallowed and enters airways
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H336May cause drowsiness or dizziness

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264 + P265, P271, P272, P280, P301 + P316, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P331, P333 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2-Ethyl-1-butene, 95%+?

The CAS Registry Number of 2-Ethyl-1-butene, 95%+ is 760-21-4. It is also known as 1,1-Diethylethylene, 3-Methylenepentane, Pentane, 3-methylene-.

What is the molecular formula and molecular weight of 2-Ethyl-1-butene, 95%+?

2-Ethyl-1-butene, 95%+ has the molecular formula C6H12 and a molecular weight of 84.16 g/mol. Its IUPAC name is 3-methylidenepentane.

Which grade and pack sizes of 2-Ethyl-1-butene, 95%+ can I order?

We supply 2-Ethyl-1-butene, 95%+ in Puriss (≥95%) grade, in 10 mL, 50 mL, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Ethyl-1-butene, 95%+?

Yes. Every lot of 2-Ethyl-1-butene, 95%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-Ethyl-1-butene, 95%+ be shipped internationally?

Yes. 2-Ethyl-1-butene, 95%+ is classified as hazardous (UN 3295), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.