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West Ujimqin Banner, Xilingol League, Inner Mongolia, China
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Product Name: Lemon Yellow
Chemical Family: Pigment Dye
Common Names: Lemon Yellow Pigment, Pigment Yellow 1
Synonyms: Monoazo Yellow
CAS Number: 2512-29-0
Use: Coloring agent for paints, inks, plastics, and textiles
Supplier: Listed as manufacturer or distributor on packaging
Contact Information: Company Address, Emergency Telephone number on label
GHS Classification: Not classified as hazardous by GHS criteria
Signal Word: None
Hazard Statements: May cause eye irritation, Potential skin irritation, May cause respiratory discomfort if inhaled as a dust
Pictograms: No pictogram required unless formulated with hazardous carriers
Precautionary Statements: Avoid breathing dust, Use personal protective equipment, Wash exposed areas after handling, Do not eat or drink during use
Chemical Formula: C17H18N4O4
Main Ingredient: Pigment Yellow 1 (≥98%)
Impurities: Trace impurities (<2%) not considered hazardous
Other Additives: None anticipated in pure pigment form
Eye Contact: Rinse thoroughly with water for several minutes, Remove contact lenses if present, Continue rinsing, Seek medical attention if irritation persists
Skin Contact: Wash with plenty of water and mild soap, Remove contaminated clothing, Get medical advice if irritation develops
Inhalation: Move to fresh air, Keep at rest in a position comfortable for breathing, Seek medical attention for persistent discomfort or coughing
Ingestion: Rinse mouth, Seek medical attention, Do not induce vomiting unless directed by medical professionals
Notes for Physician: Treat symptomatically based on clinical judgement, No specific antidote known
Flammability: Not highly flammable, Can burn if exposed to fire
Suitable Extinguishing Media: Water spray, Foam, Carbon dioxide, Dry chemical powder
Unsuitable Media: Strong water jets may spread powder
Hazardous Combustion Products: Carbon monoxide, Carbon dioxide, Nitrogen oxides, Potential small amounts of corrosive gases
Special Protective Equipment for Firefighters: Full protective gear, Self-contained breathing apparatus, Avoid inhalation of combustion fumes
Personal Precautions: Wear dust-resistant mask, Gloves, Protective eyewear, Prevent skin and eye contact
Environmental Precautions: Avoid spillage into drains, waterways, or soil, Collect spilled product for proper disposal
Containment and Cleanup: Sweep up and place in suitable container, Avoid generating dust, Ventilate area, Wash residues away with plenty of water
Handling: Avoid inhalation of dust, Minimize skin and eye contact, Wear proper protective equipment, Handle in well-ventilated spaces, Keep away from food and beverages
Storage: Store in tightly closed original containers, Keep in a cool, dry, well-ventilated area, Protect from moisture and direct sunlight, Avoid temperatures above 40°C, Keep away from incompatible materials
Exposure Limits: No occupational exposure limits established for Pigment Yellow 1
Engineering Controls: Local exhaust ventilation, General room ventilation
Personal Protective Equipment: Safety goggles, Chemical-resistant gloves (nitrile or neoprene), Cotton lab coat or protective clothing, Dust mask or NIOSH-approved respirator if airborne dust is generated
General Hygiene: Wash hands after use, Remove contaminated clothing, Do not eat, drink, or smoke during use
Appearance: Fine yellow powder
Odor: Odorless
pH: 6-8 (in suspension)
Melting Point / Freezing Point: Decomposes at high temperature (>300°C)
Boiling Point: Not applicable
Flash Point: Not applicable
Auto-Ignition Temperature: Not easily ignited
Evaporation Rate: Not volatile
Solubility: Insoluble in water
Density: 1.3–1.6 g/cm³
Vapor Pressure: Negligible
Partition Coefficient (n-octanol/water): Not established
Chemical Stability: Stable under normal temperatures and recommended storage conditions
Incompatible Materials: Strong oxidizing agents, Strong acids, Strong bases
Reactivity: Not reactive under normal use
Hazardous Decomposition: Decomposes at high temperature to release toxic fumes such as CO, CO₂, nitrogen oxides
Polymerization: Will not occur
Acute Toxicity: Not classified as acutely toxic, Oral LD50 (rat) >2000 mg/kg
Skin Corrosion/Irritation: May cause mild irritation with prolonged contact
Eye Damage/Irritation: May cause temporary eye discomfort or redness
Inhalation: Dust may result in respiratory irritation, Sore throat, Cough
Chronic Effects: Long-term exposure to large quantities of pigment dust not advised, No evidence of carcinogenicity in studies published by IARC, NTP, or OSHA
Other Effects: No known reproductive or developmental toxicity
Aquatic Toxicity: Practically insoluble in water, Not expected to bioaccumulate, Not classified as dangerous for the environment
Persistence and Degradability: Persistent in soil and sediment, Slow biodegradation
Mobility in Soil: Minimal due to low solubility
Other Adverse Effects: Avoid discharge to waterways due to risk of long-term accumulation in sediments
Waste Treatment Methods: Dispose of unused product and contaminated packaging via approved chemical waste disposal facilities
Landfill: Permitted in accordance with local regulations
Incineration: Possible at licensed facility
Precautions: Do not pour into drains or watercourses, Follow local, state, and federal guidelines for disposal
UN Number: Not regulated as a hazardous material for transport
Proper Shipping Name: Pigment, not otherwise specified
Transport Hazard Class: Not classified
Packing Group: None
Environmental Hazard: Not regulated as a marine pollutant
Transport Precautions: Protect containers from physical damage, Ensure secure stowage to prevent spillage
OSHA Hazard Communication: Not hazardous per OSHA 29 CFR 1910.1200
TSCA Status: Listed
REACH Status: Registered or exempt in EU
SARA Title III: Not listed
DSL/NDSL (Canada): Listed
Label Requirements: Product labeling must include product identification and hazard communication elements consistent with local regulations
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
