Understanding Sodium Ethylparaben: Manufacturer’s Perspective on Safe Management

Identification

Chemical Name: Sodium Ethylparaben
Common Names: Sodium parahydroxybenzoate ethyl ester
CAS Number: 36457-21-3
Recommended Uses: Preservative for cosmetics, pharmaceuticals, and personal care products
Chemical Formula: C9H9NaO3
Appearance: White to off-white crystalline powder
Odor: Slightly characteristic
Taste: Neutral to slightly bitter

Hazard Identification

Classifications: Eye and skin irritant, non-flammable solid
Hazard Symbols: None assigned under GHS for this compound
Signal Word: Warning for direct contact
Potential Health Effects: May cause irritation on prolonged skin or eye exposure, inhalation may cause mild respiratory reaction, ingestion unlikely to cause serious harm at low concentrations found in consumer products
Environmental Hazards: May pose risk to aquatic life at high concentration levels, not classified as persistent or bioaccumulative based on available data

Composition / Information on Ingredients

Main Ingredient: Sodium Ethylparaben (purity usually above 98%)
Impurities: Trace organic solvents, moisture content below 1%
Stabilizers: None typically added
Additives: Not usually present, consistent with high-purity standard

First Aid Measures

Eye Contact: Rinse cautiously with plenty of water for several minutes, remove contact lenses
Skin Contact: Wash thoroughly with soap and water
Inhalation: Remove to fresh air, seek medical advice if irritation persists
Ingestion: Rinse mouth, do not induce vomiting, consult physician for large ingestions
Acute Symptoms: Irritation, redness, mild coughing on inhalation

Fire-Fighting Measures

Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam, water spray
Specific Hazards: Decomposes at very high temperature with possible release of carbon oxides
Protective Equipment: Wear standard protective gear, self-contained breathing apparatus if powder dust is involved
Special Precautions: Avoid inhaling combustion fumes, ventilate post-fire areas thoroughly

Accidental Release Measures

Spill Response: Sweep up carefully to avoid creating airborne dust
Personal Precautions: Use chemical-resistant gloves, goggles, dust mask
Environmental Precautions: Prevent spillage from entering waterways, confine spilled material with inert absorbent
Cleanup Methods: Collect in a suitable container for recycling or disposal, wash area with water

Handling and Storage

Storage Conditions: Keep tightly sealed in original container, store in cool and dry location away from direct sunlight
Handling Instructions: Use local exhaust ventilation, avoid generating dust, keep away from acids and oxidizers
Incompatible Materials: Strong acids, strong oxidizing agents
Minimize skin and eye contact by using personal protective gear during transfer or mixing

Exposure Controls and Personal Protection

Engineering Controls: Local exhaust ventilation, fume hood for laboratory settings
Personal Protective Equipment: Chemical safety goggles, protective gloves, laboratory coat
Respiratory Protection: Approved dust mask for dusty operations
Hygiene Measures: Wash hands thoroughly after handling, do not eat or drink around handling areas, remove contaminated clothing promptly

Physical and Chemical Properties

Appearance: White or off-white granular powder
Melting Point: About 286°C (with decomposition)
Solubility: Freely soluble in water
pH (1% aqueous solution): Slightly alkaline
Boiling Point: Not applicable, decomposes before boiling
Vapor Pressure: Negligible at ambient temperature
Density: 1.30–1.35 g/cm³
Flash Point: Non-flammable solid
Odor: No significant odor
Partition Coefficient: Log Pow estimated below 2 (low bioaccumulation potential)

Stability and Reactivity

Stability: Chemically stable under recommended storage conditions
Materials to Avoid: Strong acids, oxidizers
Hazardous Reactions: None known under normal use
Decomposition Products: Carbon monoxide, carbon dioxide under extreme heat
Preventive Measures: Store in tightly closed containers, avoid exposure to moisture and high temperatures

Toxicological Information

Acute Toxicity: Low toxicity, no systemic effects expected at normal concentrations
Irritation: Eyes and skin may develop mild to moderate irritation upon contact
Sensitization: Not reported as sensitizer in standard animal testing
Chronic Effects: No evidence for mutagenicity, carcinogenicity, or reproductive toxicity has surfaced in peer-reviewed studies
Inhalation: High dust concentrations may cause mild respiratory effects

Ecological Information

Aquatic Toxicity: Harmful to aquatic organisms at high concentrations, rare to see environmental concerns at standard formulation levels
Degradability: Readily biodegradable under typical environmental conditions
Bioaccumulation: Low potential, minimal environmental persistence
Soil Mobility: Moderate mobility, relies on soil type and rainfall
Precautions: Take care to minimize spills, avoid bulk releases into sewage or watercourses

Disposal Considerations

Waste Treatment: Collect solid waste for disposal in accordance with local regulations, preferred method is incineration or licensed chemical landfill
Contaminated Packaging: Rinse thoroughly before recycling or discarding
Minimize discharge to natural bodies of water, consult environmental authorities for best practices on mass disposal
Do not mix with incompatible materials or general waste streams

Transport Information

UN Classification: Not regulated for transport globally as dangerous goods
Shipping Name: Sodium Ethylparaben
Packaging: Use moisture-proof, tight containers
Transport Conditions: Protect from water and rough handling, avoid direct sunlight
Transport Hazard Class: Non-hazardous for air, land, and sea
Environmental Hazards: None expected in normal transit quantities

Regulatory Information

Status: Approved for use in cosmetic and pharmaceutical products in most regions with strict purity requirements
Labeling Requirements: Hazard labeling may not apply, recommend handling instructions on drum or carton
Workplace Safety Laws: Follow national occupational safety laws, chemical hygiene standards
Environmental Regulations: Subject to local and national controls on discharge and large-scale disposal
Producer Obligations: Track regulatory changes, maintain transparent documentation of sourcing and quality control