Chromosal B
Chromosal B is a specialized chromium-based chemical reagent commonly used in analytical chemistry and laboratory applications. It is typically a chromium salt formulation that serves as a strong oxidizing agent, employed for various testing, purification, and synthesis processes. Chromosal B is valued for its high reactivity, stability in solution, and ability to facilitate oxidative reactions. It is widely used in industrial quality control, chemical synthesis, and wastewater treatment, offering reliable performance in oxidative degradation and metal treatment procedures.
Chromosal B Uses
Primary UsesÂ
Analytical Chemistry & Laboratory Use
- Used as an oxidizing agent in qualitative and quantitative chemical analysis.
- Employed in redox titrations and sample preparation where strong oxidation is required.
- Applied in the determination of organic and inorganic compounds through oxidative degradation.
Industrial Applications
- Utilized in wastewater treatment plants to oxidize organic pollutants and heavy metals, aiding in environmental compliance.
- Used in metal surface treatment processes for cleaning and preparation before plating or coating.
- Serves as an intermediate in chemical manufacturing requiring chromium-based oxidizing agents.
Secondary Uses
Textile Industry
- Applied in dyeing and finishing processes where oxidation is necessary to fix dyes or modify fibers.
Pharmaceutical Industry
- Used in small-scale organic synthesis of drug intermediates requiring controlled oxidation steps.
Research and Development
Employed in experimental oxidation reactions in academic and industrial R&D labs.
Basic Identification Attributes
- Chemical Name (IUPAC): Chromium-based oxidizing reagent (specific formula depends on supplier)
- Common/Trade Name: Chromosal B
- CAS Number: Varies depending on chromium salt composition
- HS Code: 2841.90.90 (general chromium compounds)
- Molecular Formula: Variable
- Synonyms: Chromium reagent B, chromium oxidizing agent
- Physical & Chemical Properties
- Physical State: Typically a crystalline powder or granular solid
- Color & Odor: Dark green to black; odorless
- Melting Point: Variable depending on formulation
- Solubility: Soluble in water forming an acidic solution
- Stability: Stable under dry conditions; reactive in solution as an oxidizer
- Safety & Hazard Attributes
- Hazard Class (GHS): Corrosive, oxidizer, toxic
- NFPA Ratings: Health 3, Flammability 0, Reactivity 2
- Exposure Limits: OSHA PEL for Chromium VI = 0.005 mg/m³
- Toxicity: Harmful by inhalation, ingestion, and skin contact; carcinogenic potential due to chromium content
- Reactivity: Strong oxidizing agent; reacts violently with reducing agents and organics
- Storage & Handling Attributes
- Storage Conditions: Store in cool, dry, well-ventilated area away from incompatible substances
- Container Type: Sealed polyethylene or glass containers
- Shelf Life: Stable for years if kept dry and sealed
- Special Handling: Use appropriate PPE including gloves, goggles, and respirator; handle in fume hood
- Regulatory & Compliance Attributes
- Subject to strict environmental and occupational regulations due to chromium content
- Regulated as hazardous waste; proper disposal required
- Transportation: Classified as hazardous material (oxidizer)
- FDA Status: Not for food or pharmaceutical use
- Environmental & Health Impact
- Ecotoxicity: Toxic to aquatic organisms; can cause long-term environmental damage
- Persistence: Persistent and bioaccumulative in the environment
- Carcinogenicity/Mutagenicity: Contains Chromium VI, classified as carcinogenic
- Biodegradability: Not biodegradable; requires specialized treatment for disposal
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Safety Handling Precautions
- PPE: Acid-resistant gloves, eye protection, lab coat, respirator
- Handling: Avoid inhalation and skin contact; use only in well-ventilated areas or fume hoods
- Storage: Keep containers tightly sealed and stored away from incompatible materials
- Hygiene: Wash hands after handling; no eating or drinking in work area
First Aid Measures
- Inhalation: Move to fresh air immediately; administer oxygen if breathing is difficult; seek medical attention
- Skin Contact: Flush with water immediately; remove contaminated clothing; seek medical care if irritation occurs
- Eye Contact: Rinse eyes with water for 15 minutes; seek urgent medical assistance
- Ingestion: Do not induce vomiting; rinse mouth; seek emergency medical attention
Firefighting Measures
- Fire Hazards: Not flammable but a strong oxidizer that can intensify fires
- Extinguishing Media: Use water spray or foam; avoid dry chemical extinguishers that may react
- Special Precautions: Firefighters must wear full protective gear and self-contained breathing apparatus
Decomposition Products: May release toxic chromium oxides and other harmful gases when heated