Black 7 Dye

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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.

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Category: Dyes and Pigments Tags: Black 7 Dye, CI 26150 Cosmetic Pigment, Cosmetic Grade Pigment, D&C Black No. 7, High-Performance Black Dye, Makeup and Hair Dye Pigment, Oil-Dispersible Dye, Pharmaceutical Colorant, Synthetic Colorant

Description

Table of Contents

Black 7 Dye

Primary Uses

Cosmetics and Personal Care

Used in eyeliners, mascaras, and eyeshadows for rich, smudge-resistant black coloration.
Incorporated into lipsticks and lip liners for high-pigment black and deep color blends.
Formulated in blushes and foundations for shade adjustment and contouring.
Added to nail polishes and gels for opaque black or gothic-inspired manicures.
Used in semi-permanent and temporary hair colorants for jet-black hair tones.
Included in body art cosmetics, face paints, and theatrical makeup for bold, dramatic effects.
Used in men’s grooming products such as beard tints, brow gels, and mustache colorants.
Blended into high-pigment creams, body makeup, and highlighters to create depth and contrast.

Pharmaceutical and Therapeutic Applications

Applied as a colorant in tablet and capsule coatings to aid product identification.
Used in dermatological creams, ointments, and gels for pigmentation or branding.
Approved for use in external-use medicated products such as antiseptics, antifungals, and steroid creams.
Employed in lozenges, topical balms, and medicated patches as a visual differentiator.
Incorporated in diagnostic products and over-the-counter remedies where color coding is necessary.

Secondary Uses

Personal Care Accessories and Solid Formats

Used in solid deodorants, perfume sticks, and cosmetic bars for pigmentation.
Applied in coloring cosmetic pencils such as kohl, lip crayons, and concealer sticks.
Added to bath bombs and soap bars for decorative, pigmented effects.

Artistic, Professional, and Commercial Applications

Used in mock-up products and packaging prototypes for shade testing and presentation.
Applied in cosmetic testing and formulation labs for color calibration.
Included in special effects makeup kits for film, theater, and performance arts.

Industrial and Specialty Uses

Used in cosmetic packaging inks, labels, and product stamping for branding consistency.
Incorporated into ink formulations for cosmetic printing applications.

Sometimes included in artistic and creative kits for training in makeup artistry.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Botanical Source: Synthetic
Common/Trade Name: Black 7 Dye
INCI Name: Black 7 (CI 26150)
CAS Number: 106341-18-0
HS Code: 3204.12
Synonyms: D&C Black No. 7, CI 26150, Oil Black, Synthetic Black Pigment

2. Physical & Chemical Properties

Physical State: Powder or pre-dispersed liquid (oil-based)
Color & Odor: Deep black; odorless or mildly chemical
Solubility: Insoluble in water; soluble in oils and esters
Density: Approx. 1.4–1.7 g/cm³
Shelf Life: 36 months under proper storage

3. Safety & Hazard Attributes

GHS Classification: Not classified as hazardous under normal cosmetic use
Toxicity: Non-toxic at approved levels; not for use near mucous membranes unless specifically approved
Allergen Information: Generally safe; may cause irritation in sensitive individuals
Exposure Limits: No established occupational exposure limits under normal conditions

4. Storage & Handling Attributes

Storage Conditions: Store in a dry, cool, well-ventilated area away from sunlight
Container Type: HDPE or tightly sealed non-reactive containers
Shelf Life: Up to 36 months in optimal conditions
Handling Precautions: Avoid inhalation of dust; wear gloves and mask when handling powder

5. Regulatory & Compliance Attributes

Compliant with FDA (for external use), EU Cosmetics Regulation, ASEAN guidelines
Not permitted in all regions for use in eye or lip products—check local regulations
Manufactured under GMP and ISO 22716-certified conditions
Not for internal use or ingestion

6. Environmental & Health Impact

Biodegradability: Not readily biodegradable
Ecotoxicity: Low at approved concentrations
Bioaccumulation: Not expected under normal cosmetic use

SAFETY HANDLING PRECAUTIONS

Safety Precautions

Personal Protective Equipment (PPE):

Respiratory: NIOSH-approved N95/P2 mask for powder handling
Eye/Face: Chemical safety goggles
Gloves: Nitrile or neoprene gloves (≥0.4mm thickness)
Body: Laboratory coat or protective apron

Handling & Storage:

Avoid dust generation during handling
Use with adequate ventilation
Store in tightly closed containers in a cool, dry, well-ventilated area
Keep away from incompatible materials

Hygiene Measures:

Wash hands thoroughly after handling
Do not eat, drink, or smoke when using this product

First Aid Measures

Inhalation:
- Move to fresh air
- Seek medical attention if respiratory irritation occurs
Skin Contact:
- Wash with soap and water
- Seek medical attention if irritation persists
Eye Contact:
- Rinse cautiously with water for several minutes
- Remove contact lenses if present and easy to do
- Seek medical attention if irritation develops or persists
Ingestion:
- Rinse mouth
- Do NOT induce vomiting
- Seek immediate medical attention

Firefighting Measures

Suitable Extinguishing Media:
- Use appropriate media for surrounding fire
- Water spray, foam, dry chemical, or CO₂
Special Protective Equipment for Firefighters:
- Wear self-contained breathing apparatus

Spill & Disposal

Personal Precautions:
- Wear appropriate protective equipment
- Avoid dust formation
Containment and Cleaning:
- Sweep up and collect in suitable containers for disposal
- Avoid releasing into the environment
Disposal:
- Dispose of in accordance with local regulations
- Consider as chemical waste