VAT Brown

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VAT Brown is a synthetic vat dye known for its rich, deep brown coloration and excellent durability on cellulose fibers such as cotton, rayon, and linen. It is widely used in textile applications requiring superior fastness properties including resistance to washing, light, and rubbing. The dyeing process involves a reduction-oxidation mechanism that allows the dye to penetrate fibers deeply, resulting in vibrant and long-lasting brown shades. VAT Brown is also employed in specialty applications requiring stable and durable brown pigmentation.

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Category: Dyes and Pigments Tags: Brown Colorant, High Fastness Dye, Textile dye, VAT Brown, Vat Dye

Description

Table of Contents

VAT Brown

Primary Uses

Dyeing cellulose fibers such as cotton, rayon, and linen to produce deep brown colors
Used in vat dye baths for uniform color uptake and excellent fastness to washing and light.
Applied in textile printing for creating durable and vibrant brown patterns.

Secondary Uses

Used in the production of inks and coatings requiring stable brown pigments.
Employed in laboratory dyeing for fiber analysis and quality control research.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Botanical Source: Synthetic
Common/Trade Name: VAT Brown
INCI Name: VAT Brown
CAS Number: 12227-73-1
HS Code: 3204.12
Synonyms: Vat Brown 1, C.I. Vat Brown 1

2. Physical & Chemical Properties

Physical State: Powder or granular form
Color & Odor: Deep brown; odorless
Solubility: Insoluble in water; soluble in alkaline reducing agents
Density: Approx. 1.3 g/cm³
Shelf Life: 24 months under proper storage

3. Safety & Hazard Attributes

GHS Classification: May cause skin and eye irritation
Toxicity: Moderate toxicity if ingested; avoid inhalation of dust
Allergen Information: Potential irritant for sensitive individuals
Exposure Limits: Follow occupational safety guidelines

4. Storage & Handling Attributes

Storage Conditions: Store in a cool, dry, well-ventilated place away from oxidizers
Container Type: Sealed polyethylene or equivalent non-reactive containers
Shelf Life: 24 months when stored properly
Handling Precautions: Use gloves, mask, and protective clothing to avoid dust exposure

5. Regulatory & Compliance Attributes

Complies with industrial dye regulations
Manufactured in GMP-compliant facilities

6. Environmental & Health Impact

Biodegradability: Moderate; dispose according to local regulations
Ecotoxicity: Potentially harmful to aquatic life at high concentrations
Bioaccumulation: Not expected

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required: Gloves, protective eyewear, dust mask
Handling Guidelines: Avoid dust generation; avoid skin and eye contact

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if symptoms persist
Skin Contact: Wash with soap and water
Eye Contact: Rinse thoroughly with water; consult a doctor if irritation continues
Ingestion: Do not induce vomiting; seek immediate medical attention