Acetylene tetrabromide, 99%

Name: Acetylene tetrabromide, 99%
Brand: Vaqora Chemicals
SKU: VQ-010438

About Acetylene tetrabromide, 99%

Acetylene tetrabromide is a halogenated building block in Synthesis grade carrying the CAS registry number 79-27-6 at a purity of ≥99%. Formula C2H2Br4, molecular weight 345.65 g/mol. The IUPAC name is 1,1,2,2-tetrabromoethane. It is also known as Muthmanns liquid or TBE,1,1,2,2-Tetrabromoethane.

In its supplied form it is a colourless to very faint yellow liquid. Reported physical data include a boiling point of 119 °C and a density of 2.967 g/ml at 25 °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 3 hazard statements. Review the Safety Data Sheet before use.

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.

We offer Acetylene tetrabromide in 250 mL, 500 mL, 5 L and 160 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Cross-coupling substrates
Alkylation reactions
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Acetylene tetrabromide, 99%
Catalogue No.	VQ-010438
CAS Number	79-27-6
IUPAC name	1,1,2,2-tetrabromoethane
Molecular formula	C₂H₂Br₄
Molecular weight	345.65 g/mol
Exact mass	345.6849
Grade	Synthesis
Purity / assay	≥99%
HSN code	29033990
InChIKey	QXSZNDIIPUOQMB-UHFFFAOYSA-N
SMILES	C(C(Br)Br)(Br)Br
PubChem CID	6588

Physical properties
Physical form	Liquid
Appearance	Colourless to very faint yellow liquid
Boiling point	119 °C
Density	2.967 g/ml at 25 °C
LogP (XLogP3)	3.6
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
UN number	UN 2504
Synonyms	Muthmanns liquid, TBE,1,1,2,2-Tetrabromoethane, Muthmann's liquid, sym-Tetrabromoethane, Ethane, 1,1,2,2-tetrabromo-, Tetrabromoacetylene, s-Tetrabromoethane, 1,1,2,2-Tetrabromaethan, 1,1,2,2-Tetrabromoetano, 1,1,2,2-Tetrabroomethaan, 1,1,2,2-Tetrabromoethylene, Symmetrical tetrabromoethane

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H319Causes serious eye irritation
H330Fatal if inhaled
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P260, P264 + P265, P271, P273, P280, P284, P304 + P340, P305 + P351 + P338, P316, P320, P337 + P317, 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 Acetylene tetrabromide, 99%?

The CAS Registry Number of Acetylene tetrabromide, 99% is 79-27-6. It is also known as Muthmanns liquid, TBE,1,1,2,2-Tetrabromoethane, Muthmann's liquid.

What is the molecular formula and molecular weight of Acetylene tetrabromide, 99%?

Acetylene tetrabromide, 99% has the molecular formula C2H2Br4 and a molecular weight of 345.65 g/mol. Its IUPAC name is 1,1,2,2-tetrabromoethane.

Which grade and pack sizes of Acetylene tetrabromide, 99% can I order?

We supply Acetylene tetrabromide, 99% in Synthesis (≥99%) grade, in 250 mL, 500 mL, 5 L, 160 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Acetylene tetrabromide, 99%?

Yes. Every lot of Acetylene tetrabromide, 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 Acetylene tetrabromide, 99% be shipped internationally?

Yes. Acetylene tetrabromide, 99% is classified as hazardous (UN 2504), 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.