Potassium Bromide Extra Pure

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SHORT DESCRIPTION

Potassium Bromide Extra Pure is a highly refined, white crystalline compound with the chemical formula KBr, renowned for its exceptional purity and broad utility in scientific, medical, and industrial contexts. Its stable, non-hygroscopic nature and excellent solubility in water make it a reliable reagent in laboratory settings where consistency and accuracy are crucial.

This compound plays a central role in infrared (IR) spectroscopy, particularly for preparing transparent pellets that allow for the clear transmission of IR radiation, enabling the analysis of organic compounds. In the pharmaceutical sector, Potassium Bromide has a legacy use as an anticonvulsant and sedative, especially in veterinary practices for managing seizures. It’s also employed in photographic processing in the formulation of light-sensitive silver bromide emulsions and in some chemical synthesis pathways requiring bromide ions.

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Category: LABORATORY CHEMICALS Tags: AnalyticalReagent, BiochemicalUse, ExtraPure, FTIRGrade, InfraredSpectroscopy, KBrPellets, labchemical, PharmaceuticalReagent, PotassiumBromide, SpectroscopyGrade

Description

USES

Table of Contents

PRIMARY USES

Pharmaceutical Applications:
- Historically used as a sedative and anticonvulsant.
- Still utilized in veterinary medicine to manage epilepsy in animals.
- Acts as a source of bromide ion in medicinal preparations.
Analytical Chemistry & Laboratory Reagent:
- Commonly used in infrared (IR) spectroscopy as a matrix material for pellet formation.
- Offers excellent transparency in the infrared range (4000–400 cm⁻¹), ideal for FTIR sample prep.
- Employed as a reagent in analytical chemistry and titrations.

SECONDARY USES

Photographic Industry:
- Used in the production of photographic emulsions as a halide component.
- A key ingredient in silver bromide film processing.
Optical Applications:
- Applied in optical windows and components due to its broad transmission range.
Chemical Synthesis:
- Serves as a precursor in the synthesis of other bromine-containing compounds.

KEY PRODUCT FEATURES

KEY ATTRIBUTES

1. Basic Identification Attributes

Chemical Name: Potassium Bromide
CAS Number: 7758-02-3
HS Code: 2827.51.00
Molecular Formula: KBr
Synonyms:
- Bromide of Potash
- Kalii Bromidum
- Kaliumbromid
- KBr

2. Physical & Chemical Properties

Physical State: Solid (crystalline powder or granules)
Color & Odor: White, odorless
Boiling Point & Melting Point:
- Melting Point: ~734 °C
- Boiling Point: ~1435 °C
Density/Specific Gravity: ~2.75 g/cm³
Solubility:
- Soluble in water (~65 g/100 mL at 100 °C)
- Slightly soluble in alcohol
pH Level: ~6–8 (5% solution in water)
Vapor Pressure & Volatility: Negligible
Flash Point: Not applicable
Autoignition Temperature: Not flammable
Viscosity: Not applicable

3. Safety & Hazard Attributes

Hazard Class (GHS Classification):
- Not classified as hazardous under normal use
NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
Exposure Limits:
- No established OSHA PEL or ACGIH TLV
Reactivity:
- Stable under normal conditions
- Incompatible with strong acids (may release HBr gas)

4. Storage & Handling Attributes

Storage Conditions:
- Store in a tightly sealed container
- Keep in cool, dry, well-ventilated area
Incompatible Materials:
- Strong oxidizing agents
- Strong acids
Container Type:
- Glass or HDPE containers
Shelf Life & Expiration Date:
- Stable for several years when properly stored
Special Handling Requirements:
- Use gloves and eye protection
- Avoid ingestion and inhalation

5. Regulatory & Compliance Attributes

Regulatory Status:
- Listed under FDA and EU pharmacopeias for medical use
- Not restricted under major chemical regulations
Hazard Symbols (GHS Pictograms):
- None required for most uses
Transportation Restrictions:
- Not classified as hazardous for transport
Waste Disposal Method:
- Dispose according to local regulations
- Non-hazardous waste classification

6. Environmental & Health Impact

Ecotoxicity:
- Low toxicity to aquatic life
Persistence in Environment:
- Dissolves and disperses readily in water
Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
Biodegradability:
- Inorganic compound; not biodegradable, but not persistent in harmful form

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear chemical-resistant gloves (e.g., nitrile or neoprene).
Use safety goggles or face protection to avoid eye exposure.
Wear a lab coat or apron to protect skin and clothing.
Use a dust mask if handling powdered form in poorly ventilated areas.

Handling:

Handle with care to avoid dust generation and dispersion.
Avoid contact with skin, eyes, and clothing.
Do not inhale dust.
Wash hands thoroughly after handling.

Storage:

Store in a tightly closed container.
Keep in a cool, dry, and well-ventilated place.
Protect from moisture and incompatible substances such as strong acids and oxidizers.

FIRST AID MEASURES

Inhalation:

Move people to fresh air.
Seek medical attention if symptoms like coughing or difficulty breathing occur.

Skin Contact:

Wash with plenty of soap and water.
Remove contaminated clothing.
Seek medical advice if irritation develops.

Eye Contact:

Rinse thoroughly with water for at least 15 minutes.
Lift eyelids occasionally.
Seek medical help if irritation persists.

Ingestion:

Rinse mouth with water.
Do not induce vomiting unless directed by medical personnel.
Seek immediate medical attention.

FIRE FIGHTING MEASURES

Flammability:

Not flammable under normal conditions.

Extinguishing Media:

Use dry chemicals, water spray, foam, or carbon dioxide.

Hazardous Combustion Products:

May emit toxic fumes of potassium oxides and hydrogen bromide when heated to decomposition.

Firefighter Protection:

Firefighters should wear self-contained breathing apparatus (SCBA) and full protective gear.
Avoid inhalation of combustion fumes.