Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Fresh Herbs
Ground Spices
Whole Spices
Spice Blends
Dried Herbs
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders
Lab Coat
Original price was: $ 19.15.$ 19.05Current price is: $ 19.05.
Acid Black 2 Crystal
Whatsapp Order
Acid Black 2 Crystal is a synthetic acid dye of the azo class, presented in crystalline form, known for its intense black coloration and excellent solubility in acidic aqueous solutions. This dye is primarily used for dyeing protein fibers such as wool, silk, and nylon, as well as leather and certain synthetic fibers under acidic conditions. Acid Black 2 Crystal provides deep, uniform black shades with good wash and light fastness properties, making it ideal for textile and leather applications. It is widely used in industrial dyeing processes, research formulations, and laboratory testing due to its chemical stability and high purity.
Description
Acid Black 2 Crystal
Primary Uses
- Textile and Leather Processing
- Used extensively for dyeing wool, silk, nylon, and other protein fibers to achieve deep black coloration.
- Applied in leather tanning and dyeing processes to obtain consistent and durable black shades.
- Utilized in textile printing and finishing for producing high-quality black patterns.
- Employed in acid dye baths for uniform dye uptake on sensitive fabric substrates.
- Industrial Applications
- Used in manufacturing of colored filters, inks, and coatings requiring acid-stable black pigments.
- Incorporated in quality control processes and research formulations in textile industries.
- Applied as an analytical reagent in laboratory tests related to dyeing and fiber characterization.
Secondary Uses
- Cosmetic and Personal Care
- Occasionally used in acid-based hair dye formulations (subject to regulatory approval).
- Incorporated in external-use cosmetic products for black pigmentation where permitted.
- Scientific and Research
- Used in histology and microscopy staining to provide contrast in biological samples.
- Employed in educational and laboratory settings for demonstrations and dyeing experiments.
KEY PRODUCT FEATURES
1. Basic Identification Attributes
- Botanical Source: Synthetic
- Common/Trade Name: Acid Black 2 Crystal
- INCI Name: Acid Black 2
- CAS Number: 1533-45-5
- HS Code: 3204.11
- Synonyms: Acid Black 2, Acid Black 2 Dye, CI Acid Black 2
2. Physical & Chemical Properties
- Physical State: Crystalline solid
- Color & Odor: Deep black; odorless
- Solubility: Highly soluble in water under acidic conditions
- Density: Approximately 1.5 g/cm³
- pH Stability: Stable within acidic pH range (1-4)
- Shelf Life: 24 months under proper storage conditions
3. Safety & Hazard Attributes
- GHS Classification: May cause skin and eye irritation
- Toxicity: Moderate toxicity if ingested; avoid dust inhalation
- Allergen Information: Possible allergen for sensitive individuals
- Exposure Limits: Follow occupational safety guidelines for dyes and powders
4. Storage & Handling Attributes
- Storage Conditions: Store in cool, dry, and well-ventilated areas away from strong oxidizers and sunlight
- Container Type: Sealed polyethylene or chemically resistant containers
- Shelf Life: 24 months if stored under recommended conditions
- Handling Precautions: Use proper PPE such as gloves, masks, and protective clothing to avoid dust exposure
5. Regulatory & Compliance Attributes
- Complies with industrial dye regulations; not approved for food or drug applications
- Limited use in cosmetics and personal care products requiring regulatory clearance
- Manufactured in GMP-compliant facilities for industrial and laboratory use
6. Environmental & Health Impact
- Biodegradability: Moderate; disposal should follow environmental regulations
- Ecotoxicity: Potentially toxic to aquatic organisms at high concentrations
- Bioaccumulation: Not expected under normal use conditions
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Gloves, protective eyewear, and dust mask
- Handling Guidelines: Avoid dust generation and direct skin contact
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash affected areas thoroughly with soap and water
- Eye Contact: Rinse eyes immediately with plenty of water; seek medical advice if irritation continues
- Ingestion: Do not induce vomiting; seek immediate medical attention
Firefighting Measures
- Fire Hazards: Combustible under intense heat
- Extinguishing Media: Water spray, foam, or dry chemical extinguishers
- Special Precautions: Avoid inhalation of combustion fumes
- Hazardous Combustion Products: Carbon oxides, nitrogen oxides
Related products
Acid Black 2 Powder
Acid Black 2 Powder is a synthetic anionic disazo dye belonging to the acid dye class, specifically formulated for intense black coloration with excellent light and wash fastness properties. This high-purity powder (100% active) exhibits superior solubility in aqueous solutions, making it particularly suitable for dyeing protein-based fibers like wool, silk, and nylon under acidic conditions. As a chromium-complex dye, it delivers enhanced color depth and improved fastness characteristics compared to non-metalized acid dyes. The powder form ensures precise dosing, consistent batch-to-batch reproducibility, and long-term stability when stored properly. Its molecular structure features sulfonic acid groups that facilitate strong ionic bonding with amino groups in fibers, resulting in vibrant, penetration-rich coloration with minimal bleeding.
Acid Black 210
Acid Black 210 is a high-performance, metal-complex acid dye specifically engineered for deep black shades with exceptional wet fastness properties. This chromium-based dye belongs to the 1:2 metal complex dye class, offering superior molecular stability and fiber affinity. The powder formulation delivers consistent, vibrant coloration for synthetic polyamide fibers and protein-based textiles, with optimized characteristics for industrial dyeing processes. Its molecular structure features multiple sulfonic acid groups that ensure excellent water solubility and penetration, while the metal complex formation provides enhanced light and wash fastness compared to non-metalized acid dyes.
Apple Green Dye
Apple Green Dye is a synthetic or natural colorant that imparts a vibrant, bright green hue resembling the skin of a fresh green apple. It is available in various forms including powders, liquids, and granules, and can be water-soluble or oil-dispersible depending on its chemical base. This dye is widely used across multiple industries including cosmetics, food and beverage, textiles, and industrial applications to achieve consistent and stable green coloration.
It offers excellent light and heat stability, and when formulated correctly, maintains its brightness across a range of pH levels. Apple Green Dye can be derived from certified colorants for safe use in consumables or from synthetic sources for industrial applications.
Black 5
Black 5, also known as Acid Black 5 or CI 20470, is a synthetic dye commonly used in various industries for its deep, rich black to bluish-black color. It belongs to the azo dye family and is typically supplied as a fine powder or granules in industrial packaging, such as 25kg bags. Black 5 is water-soluble and exhibits excellent stability in acidic conditions, making it ideal for applications in textiles, personal care, and some food and pharmaceutical formulations where permitted.
This dye offers high tinctorial strength, consistent batch-to-batch quality, and compatibility with other dyes for custom blends. It is used both for its standalone dark color and to darken or tone other dye shades.
Black 7 Dye
Black 7 Dye, also known as CI 26150 or D&C Black No. 7, is a synthetic black pigment primarily composed of carbon-based aromatic compounds. It is a high-purity, oil-dispersible colorant derived from oxidized aniline and related intermediates. Known for its intense black shade and strong tinting strength, Black 7 Dye is widely used in the cosmetics, personal care, pharmaceutical, and specialty colorant industries.
This dye is chemically stable, lightfast, and compatible with oils, esters, waxes, and synthetic bases, making it suitable for both leave-on and rinse-off formulations. It is particularly favored in products requiring bold color expression, such as eye makeup, hair dyes, and tattoo inks. Surface-treated forms are also available to enhance dispersibility and formulation compatibility.
Disperse Black
Disperse Black is a synthetic dye belonging to the class of disperse dyes, primarily used for dyeing hydrophobic fibers such as polyester, nylon, acetate, and other synthetic textiles. It is characterized by its fine particle size, high tinctorial strength, excellent fastness properties (wash, light, and rubbing), and ability to produce deep, uniform black shades. Disperse Black dyes are water-insoluble and applied in aqueous dispersion form during high-temperature dyeing processes. These dyes are favored in the textile industry for their vibrant colors and durability.
Green Pigment
Green Pigment is a concentrated dispersion of green pigment particles in a suitable carrier, designed for use in a variety of industrial and commercial applications. Known for its vivid green color and excellent stability, this pigment offers good resistance to heat, light, and chemicals. It is widely employed in plastics, coatings, inks, and other manufacturing processes where vibrant, durable green coloration is required.
Waxol Solvent Red
Waxol Solvent Red is a synthetic dye primarily used for coloring hydrocarbon-based products. It is a solvent-soluble red dye known for its excellent color strength, stability, and compatibility with various waxes, oils, plastics, and fuels. This dye is widely employed in industries requiring vibrant red coloration of non-polar materials, providing consistent performance under different processing conditions.
