1,4-Diiodobutane, 99%

Name: 1,4-Diiodobutane, 99%
Brand: Vaqora Chemicals
SKU: VQ-010341

About 1,4-Diiodobutane, 99%

1,4-Diiodobutane (CAS 628-21-7) is a halogenated building block offered by Vaqora Chemicals at a purity of ≥99%. With the molecular formula C4H8I2, it has a molar mass of 309.92 g/mol. Alternative names: Tetramethylene diiodide and Tetramethylene iodide.

It is supplied as a liquid. Reported physical data include a melting point of 6 °C and a boiling point of 147-152 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for cross-coupling substrates, alkylation reactions, organic synthesis and solar and photovoltaic research. Typical end-use sectors are pharmaceutical manufacturing, academic and industrial research and agrochemical production.

Standard pack sizes are 5 g, 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Cross-coupling substrates
Alkylation reactions
Organic synthesis
Solar & photovoltaic research

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,4-Diiodobutane, 99%
Catalogue No.	VQ-010341
CAS Number	628-21-7
IUPAC name	1,4-diiodobutane
Molecular formula	C₄H₈I₂
Molecular weight	309.92 g/mol
Exact mass	309.8716
Purity / assay	≥99%
HSN code	29333990
InChIKey	ROUYUBHVBIKMQO-UHFFFAOYSA-N
SMILES	C(CCI)CI
PubChem CID	12337

Physical properties
Physical form	Liquid
Appearance	Liquid
Melting point	6 °C
Boiling point	147-152 °C
Density	2.35 g/mL at 25 °C
LogP (XLogP3)	3.6
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	Tetramethylene Diiodide, Tetramethylene iodide, 1,4-Diodobutane, 1,4-diiodo-butane, 4-01-00-00276 (Beilstein Handbook Reference), 1,4-Diiodobutane (stabilized with Copper chip), alpha,?-Diiodobutane, 1,4 diiodobutane, Butane,4-diiodo-, 1,4-Diiodobutane stabilized over Cu, 1,4-Diiodobutane, >=99%, contains copper as stabilizer

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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 1,4-Diiodobutane, 99%?

The CAS Registry Number of 1,4-Diiodobutane, 99% is 628-21-7. It is also known as Tetramethylene Diiodide, Tetramethylene iodide, 1,4-Diodobutane.

What is the molecular formula and molecular weight of 1,4-Diiodobutane, 99%?

1,4-Diiodobutane, 99% has the molecular formula C4H8I2 and a molecular weight of 309.92 g/mol. Its IUPAC name is 1,4-diiodobutane.

Which grade and pack sizes of 1,4-Diiodobutane, 99% can I order?

We supply 1,4-Diiodobutane, 99% in (≥99%) grade, in 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,4-Diiodobutane, 99%?

Yes. Every lot of 1,4-Diiodobutane, 99% 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 1,4-Diiodobutane, 99% be shipped internationally?

Yes. 1,4-Diiodobutane, 99% is classified as hazardous, 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.