Mercuric bromide [MI]

Base Information

• Chemical Name: Mercuric bromide [MI]
• CAS No.: 7789-47-1
• Molecular Formula: Br2Hg
• Molecular Weight: 360.398
• Hs Code.: 28521000
• UNII: P986675T8V
• Nikkaji Number: J43.907J
• Mol file: 7789-47-1.mol

Synonyms:MERCURIC BROMIDE [MI];Mercury(II) bromide ACS grade

Chemical Property of Mercuric bromide [MI]

Chemical Property:

• Appearance/Colour: white crystalline powder
• Vapor Pressure: 1 mm Hg ( 136.5 °C)
• Melting Point: 237 C
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: g/cm³
• LogP: -5.99450
• Storage Temp.: Poison room
• Sensitive.: Light Sensitive
• Solubility.: Soluble in hot alcohol, methanol, HCl, HBr
• Water Solubility.: g/100g solution H2O: 0.3 (0°C), 0.611±0.002 (25°C), 4.7 (100°C) [KRU93]; very soluble hot alcohol, methanol, HCl, HBr; slightly soluble chloroform [MER06]
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 361.80527
• Heavy Atom Count: 3
• Complexity: 0

Purity/Quality:

98% min. ^*data from raw suppliers

Mercury(II) bromide (ACS) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Toxic by inhalation, ingestion, and skin absorption; strong irritant. TLV: TWA 0.1 mg(Hg)/m³.
• Hazard Codes: T+,N
• Statements: 26/27/28-33-50/53
• Safety Statements: 13-28-45-60-61

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: [Br-].[Br-].[Hg+2]
• Uses: Mercury(II) bromide is used as a reagent in the Koenigs-Knorr reaction, which forms glycoside linkages on carbohydrates. It is also used to test for the presence of arsenic, as recommended by the Pharmacopoeia.

Technology Process of Mercuric bromide [MI]

There total 2 articles about Mercuric bromide [MI] which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

ammonium bromide + mercury(II) telluride (12068-90-5,37248-20-7) → tellurium (10028-16-7) + mercuric bromide (7789-47-1)

Guidance literature:

In neat (no solvent); byproducts: Hg, H2, HBr; further by-products: N2, NH3, H2Te; mass transfer in closed HgTe-NH4Br system determined;

Reference yield:

bromine (7726-95-6) + mercury → mercuric bromide (7789-47-1)

Guidance literature:

heating in sealed, evacuated pyrex tube; sublimation;

DOI:10.1063/1.94464

Reference yield:

dimethylmercury (593-74-8) + mercuric bromide (7789-47-1) → methylmercury(II) bromide (506-83-2)

Guidance literature:

In ethanol;

DOI:10.1016/S0020-1693(00)91108-3

upstream raw materials:

mercury(II) telluride

bromine

Downstream raw materials:

3',5'-di-O-benzyl-4'-thiothymidine

mercury(I) bromide

methylmercury(II) bromide

bromo(phenyl)mercury

Refernces

Vinyl Derivatives of the Metals. III. Vinylmercuric Halides

10.1021/jo01355a630

The study explores the preparation of vinylmercuric halides through the preferential cleavage of the vinyl group from alkylvinyltin compounds using mercuric chloride, bromide, or iodide. The chemicals involved include n-butyldivinyltin, mercuric bromide, di-n-butyldivinyltin, and mercuric chloride. The vinyl group's lability in organotin compounds is utilized to synthesize vinylmercuric halides, which are reported for the first time. The reaction is conducted using a Soxhlet extraction apparatus, which moderates the vigorous reaction and requires only small quantities of solvent. The study lists the melting points and analytical data of the three vinylmercuric halides obtained and mentions that further work utilizing these compounds in other organometallic syntheses is in progress.

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