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Material Safety Data Sheet (MSDS) – Roselle Red

Identification

Product Name: Roselle Red
Chemical Name: Hibiscus sabdariffa, Extract, Anthocyanin Pigment
Synonyms: Hibiscus Extract, Roselle Pigment, Red Sorrel Extract
Recommended Uses: Food coloring, beverage additive, cosmetic pigment, scientific reagent
Supplier: Manufacturer or distributor’s contact details as per shipment documentation
Emergency Contact: Refer to regional poison control center or local emergency number
CAS Number: Not assigned for botanical blends; reference Hibiscus anthocyanins
Formula: Natural extract primarily composed of delphinidin-3-sambubioside, cyanidin-3-sambubioside

Hazard Identification

Hazard Classification: Not classified as hazardous under GHS for standard use
Primary Hazards: Dust may cause eye or respiratory irritation; possible sensitization with prolonged handling
Label Elements: Avoid breathing dust, avoid eye contact, wear personal protection
ROP Type: Consumer product and industrial ingredient
Human Health: Not recognized as toxic by ingestion at typical concentrations; excessive exposure may cause minor discomfort
Environmental Risk: Not expected to bioaccumulate or persist
Other Hazards: Fine powders can form combustible dust-air mixtures

Composition / Information on Ingredients

Main Components: Dried and powdered calyx of Hibiscus sabdariffa
Active Pigments: Delphinidin derivatives (approx. 1–3%), cyanidin derivatives (approx. 0.5–1%)
Inert Components: Cellulose, organic acids (as in hibiscus), minor minerals, flavonoids
Purity: Not less than 95% botanical content
Additives: None, unless specified by manufacturer
Allergens: Not known; always verify based on specific lot analysis
Impurities: Trace levels of field dust or plant residues possible

First Aid Measures

Inhalation: Move person to fresh air, support breathing as needed; seek medical attention if irritation persists
Skin Contact: Wash with water and mild soap; remove contaminated clothing
Eye Contact: Flush eyes thoroughly with plenty of clean water for at least 10 minutes; obtain medical help if discomfort continues
Ingestion: Rinse mouth, drink water; call a physician if large quantities are swallowed or if symptoms develop
Note to Physician: Treat symptomatically; no specific antidote
Symptoms: Mild, transient irritation possible from dust exposure

Fire-Fighting Measures

Suitable Extinguishing Media: Use water spray, CO2, foam, or dry powder extinguishers
Unsuitable Media: Direct water jet in case of spilled powders (dust clouds)
Special Hazards: Combustible as a fine powder; can generate dust explosion in confined areas
Hazardous Combustion Products: CO, CO2, possible low levels of nitrogen oxides and organic smoke
Firefighting Instructions: Remove persons from danger area; approach from upwind; avoid dust inhalation
Protective Equipment: Wear full protective gear and self-contained breathing apparatus

Accidental Release Measures

Personal Precautions: Avoid breathing dust; ventilate area; use dust masks and gloves
Environmental Precautions: Prevent large quantities from entering drains or surface water
Cleanup Methods: Sweep or vacuum gently without creating dust; collect spilled material into containers for disposal; wash area with water
Disposal: Dispose of sweepings and water in accordance with local laws
Special Procedures: If spilled on skin or eyes, wash immediately

Handling and Storage

Handling: Handle in a well-ventilated place; avoid dust generation; do not ingest or inhale
Personal Hygiene: Wash hands thoroughly after handling
Protective Measures: Wear basic PPE (gloves, goggles if risk of splashing or airborne dust)
Storage Conditions: Store in tightly closed containers, in dry, cool, well-ventilated place, away from direct sunlight
Incompatibles: Strong bases, oxidizers
Shelf Life: Up to 24 months when unopened and correctly stored

Exposure Controls and Personal Protection

Control Parameters: No official exposure limits set; keep below nuisance dust threshold (e.g., 10 mg/m3 for inhalable dust)
Engineering Controls: Local exhaust or general ventilation in bulk use
Respiratory Protection: Dust mask or NIOSH-approved respirator for dusty areas
Eye Protection: Safety goggles or face shield if dust risk present
Skin Protection: Protective gloves, long sleeves to prevent sensitization or staining
Workplace Hygiene: Prohibit eating or drinking in processing areas; wash hands after use

Physical and Chemical Properties

Appearance: Deep red fine powder or granule, may dye surfaces
Odor: Mild tart, fruity aroma
pH (1% soln): 2.5–3.5 (acidic, due to natural organic acids)
Melting Point: Not applicable (decomposes before melting)
Boiling Point: Not applicable
Solubility: Partially soluble in water, better at low pH, gives red solution
Vapor Pressure: Not volatile
Density: ~0.6 g/cm3 (bulk)
Partition Coefficient: Not determined for complex botanical extracts
Viscosity: Not applicable (solid)
Flash Point: Not determined (combustible solid)

Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions
Conditions to Avoid: Excessive heat, moisture, direct sunlight
Reactivity: Non-reactive with common materials under normal use
Incompatible Materials: Strong oxidizers, strong bases
Hazardous Decomposition: Smoke, CO, organic acid vapors under fire
Polymerization: Will not occur

Toxicological Information

Acute Toxicity: Low toxicity, LD50 (oral, rat) not established, but recognized as safe based on historical food use
Skin Irritation: May cause transient irritation in sensitive individuals
Eye Irritation: May cause mild irritation if dust contacts eyes
Chronic Toxicity: No known chronic health effects in humans
Carcinogenicity: Not listed by IARC or NTP
Other Effects: Natural acids may cause mild gastrointestinal symptoms in high amounts
Sensitization: Cases extremely rare, not fully excluded

Ecological Information

Aquatic Toxicity: Not identified as toxic to aquatic organisms at reasonably expected concentrations
Persistence: Biodegradable; natural plant material
Bioaccumulation: Not expected to bioaccumulate
Mobility: Readily disperses in water
Environmental Fate: Degrades by microbial action in soil or water
Log Kow: Not determined

Disposal Considerations

Waste Disposal: Dispose as non-hazardous organic waste in accordance with local, regional, or national regulations
Container Disposal: Rinse and recycle or dispose safely; avoid dust release on emptying
Sewage Disposal: Small quantities can enter sewage if thoroughly diluted; avoid in bulk
Incineration: Suitable for organic content if permitted

Transport Information

UN Number: Not regulated as dangerous goods
Proper Shipping Name: Plant extract, non-hazardous
Transport Hazard Class: Not classified
Packing Group: Not assigned, general packaging suitable
Special Precautions: Prevent from moisture ingress; keep sealed during transit
Environment Hazards: No special hazard indicated
Transport in Bulk: Permitted in clean, dry containers

Regulatory Information

Food and Drug Regulations: Approved across many jurisdictions as a natural color in foods and beverages; refer to local positive lists
OSHA: Not listed as hazardous
TSCA: Not specifically listed, considered exempt as a natural extract
EU REACH: Not classified as hazardous, no registration required for botanical products
Labeling Requirements: Natural colorant; include batch, manufacturer, lot identity
Restrictions: Use only as intended and avoid excessive inhalation
Other Listings: GRAS (Generally Recognized as Safe) for most food-grade lots