Boron Tribromide/99.9%-99.9999%

Categories: Boron series

Boron Tribromide (BBr₃) – High-Purity Reagent for Chemical & Industrial Applications
Purity: 99.9%(Pharma grade)；99.9999%(Semiconductor grade)
Company Type: China-based Global Supplier
Chemical Name: Boron Tribromide
CAS Number: 10294-33-4
Molecular Formula: BBr₃
Supply Capacity：500mt/y

Jiangxi Biochem Co., Ltd.

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Product Description

Chemical & Physical Properties

Appearance	Colorless to yellow fuming liquid
Boiling Point	91 °C (195.8 °F)
Melting Point	‑46 °C (‑50.8 °F)
Density	2.64 g/cm³
Vapor Pressure	66.5 mmHg at 25 °C
Solubility	Reacts violently with water → HBr + boric acid
Corrosiveness	Highly corrosive to metals, glass, tissue

Key Features & Benefits

Strong Lewis Acid – facilitates electrophilic reactions and halogen exchange
Efficient Demethylation Agent – essential in organic synthesis and pharmaceuticals
Critical for Semiconductor – plasma etching and advanced electronics
Catalyst & Reagent in Polymer Chemistry – enhances transformations and material properties
High Purity & Consistency – reliable for industrial and research applications

Industrial Applications

Organic Synthesis & Pharmaceuticals

Demethylation of ethers & aromatics (pharmaceutical intermediates)
Selective halogenation & boron chemistry
Catalyst in polymerization reactions

Semiconductor & Electronics

Plasma etching & CVD (Si, silicon oxides)
Doping agent for boron introduction

Industrial Catalysis & Material Science

Hydroboration, cross‑coupling, MOF synthesis
Precursor for boron‑based materials (ceramics, coatings)

Reactivity & Safety

⚠️ Highly Reactive & Corrosive!

Hydrolysis: Violent reaction with water → hydrogen bromide (HBr) gas
Material Compatibility: Corrodes glass, metals, organics; store in specialized containers
Handling: Use dry, inert atmosphere (N₂/Ar); avoid moisture

Handling & Storage

Storage

Tightly sealed, moisture‑free containers under inert gas. Room temperature, away from heat/moisture.

PPE

Chemical‑resistant gloves, goggles, protective clothing; use fume hood.

First Aid

Inhalation: fresh air, seek medical help. Skin/Eye: flush with water, seek emergency care.

Packaging & Availability

1kg sealed cylinder
Bulk packaging available upon request
Custom specifications for industrial‑scale applications

Summary

Boron Tribromide (BBr₃) is a highly reactive, colorless to yellow fuming liquid with a pungent odor. As a potent Lewis acid, it plays a crucial role in organic synthesis, semiconductor manufacturing, and catalyst applications. It is particularly valued for its ability to selectively remove methyl groups from ethers and its reactivity in halide exchange reactions.