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Hydrocarbons (Alkanes, Alkenes & Arenes)

Z-Butene

Available on request

Order Z-Butene (CAS 590-18-1) online at Zemixal: C4H8, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-045904.

Pack sizes
Z-Butene chemical structure
CAS number590-18-1
FormulaC4H8
Molar mass56.11 g/mol
InChIKeyIAQRGUVFOMOMEM-ARJAWSKDSA-N
IUPAC name(Z)-but-2-ene

About Z-Butene

Z-Butene is part of the Zemixal hydrocarbons (Alkanes, Alkenes & Arenes) range. For your records, the material is defined by CAS 590-18-1, formula C4H8 and molar mass 56.11 g/mol.

Common uses in the lab and plant

  • Organic synthesis
  • API synthesis

Safe handling

Hazard communication follows GHS (Danger: H220). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Specifications and identifiers

Specifications of Z-Butene
Product nameZ-Butene
Catalogue numberZX-045904
CAS number590-18-1
IUPAC name(Z)-but-2-ene
Molecular formulaC4H8
Molar mass56.11 g/mol
Exact mass56.0626
XLogP32.3
H-bond donors / acceptors0 / 0
Topological polar surface area0 Ų
InChIKeyIAQRGUVFOMOMEM-ARJAWSKDSA-N
SMILESC/C=C\C
PubChem CID5287573
Synonymscis-2-Butene, cis-Butene, cis-But-2-ene, beta-cis-Butylene, (2Z)-but-2-ene, cis-1,2-Dimethylethylene, High-boiling butene-2, z-but-2-ene, (Z)-2-Butene, (2Z)-2-Butene, cis-Butylene, 2-Butene, (2Z)-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS04 Gas under pressure
Gas under pressure

Signal word Danger

  • H220Extremely flammable gas

Precautionary statements P203, P210, P222, P280, P377, P381, P403

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Z-Butene
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Z-Butene

Which CAS number identifies Z-Butene?
Z-Butene is registered under CAS 590-18-1. You may also see it listed as cis-2-Butene, cis-Butene, cis-But-2-ene. Our catalogue number for this item is ZX-045904.
What are the formula and molar mass of Z-Butene?
For Z-Butene, its formula is C4H8 and its molar mass is 56.11 g/mol. The systematic (IUPAC) name is (Z)-but-2-ene. InChIKey IAQRGUVFOMOMEM-ARJAWSKDSA-N lets you match it in any structure database.
What grade and pack sizes are available for Z-Butene?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Z-Butene?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Z-Butene to my country?
Yes. Because Z-Butene is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
1-Triacontene
CAS
18435-53-5
Formula
C30H60
MW
420.8 g/mol
ZX-045646

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