1,4-Diiodobenzene, 99%

Name: 1,4-Diiodobenzene, 99%
Brand: Vaqora Chemicals
SKU: VQ-010340

About 1,4-Diiodobenzene, 99%

1,4-Diiodobenzene is a halogenated building block carrying the CAS registry number 624-38-4 with a typical assay of 99%. Its molecular formula is C6H4I2 and its molecular weight is 329.9 g/mol. It is also known as p-Diiodobenzene or Benzene, 1,4-diiodo-.

The material typically appears as white to yellow to orange powder or crystals or chunks. Reported physical data include a melting point of 128-132 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for cross-coupling substrates, alkylation reactions and organic synthesis. Our customers for this product work in pharmaceutical manufacturing, academic and industrial research and agrochemical production.

Vaqora Chemicals supplies 1,4-Diiodobenzene in 5 g, 25 g, 100 gmW and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Cross-coupling substrates
Alkylation reactions
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,4-Diiodobenzene, 99%
Catalogue No.	VQ-010340
CAS Number	624-38-4
IUPAC name	1,4-diiodobenzene
Molecular formula	C₆H₄I₂
Molecular weight	329.9 g/mol
Exact mass	329.8403
Purity / assay	99%
HSN code	29329900
InChIKey	LFMWZTSOMGDDJU-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1I)I
PubChem CID	12208

Physical properties
Physical form	Crystalline
Appearance	White to yellow to orange powder or crystals or chunks
Melting point	128-132 °C
LogP (XLogP3)	4.1
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	p-Diiodobenzene, Benzene, 1,4-diiodo-, p-Benzene diiodide, Benzene, p-diiodo-, pDiiodobenzene, pBenzene diiodide, Benzene, pdiiodo, Benzene, 1,4diiodo, Benzene, pdiiodo (8CI), Benzene, p-diiodo-(8CI), 1,4-Diidobenzene, 1,4 diiodobenzene

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-Diiodobenzene, 99%?

The CAS Registry Number of 1,4-Diiodobenzene, 99% is 624-38-4. It is also known as p-Diiodobenzene, Benzene, 1,4-diiodo-, p-Benzene diiodide.

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

1,4-Diiodobenzene, 99% has the molecular formula C6H4I2 and a molecular weight of 329.9 g/mol. Its IUPAC name is 1,4-diiodobenzene.

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

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

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

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

Yes. 1,4-Diiodobenzene, 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.