Product Name: Humic Acid Sodium Salt
Chemical Formula: Variable, often represented as C9H8Na2O4 or similar structures
Chemical Family: Humic substances, sodium salts
Synonyms: Sodium humate
Recommended Use: Soil conditioner, plant growth stimulator, animal feed additive
Supplier Details: Manufacturer contact information supplied with product
Emergency Telephone: Professional emergency poison control and chemical hazard response lines included by supplier
CAS Number: 68131-04-4
Classification: Substance not classified as hazardous according to OSHA, GHS, or EU standards
Physical Hazards: Mild dust hazard, no significant risk of fire or explosion
Health Hazards: Low toxicity, minor irritation to skin, eyes, respiratory tract from prolonged dust exposure
Environmental Hazards: Negligible under normal uses, avoid large uncontrolled releases
Signal Word: None required
Hazard Statements: May cause slight irritation to eyes or respiratory tract if inhaled as dust
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, use in well ventilated area
Chemical Name: Humic Acid, Sodium Salt
Common Name: Sodium humate
Ingredient Description: Mixture of sodium salts of humic acid, derived from leonardite, peat, or lignite
Concentration: Active ingredient usually ranges 40–80% depending on grade
Impurities: Trace minerals, water, naturally occurring organic matter
Inhalation: Move to fresh air, seek medical attention if symptoms persist, rinse mouth with water to clear throat
Skin Contact: Remove contaminated clothing, wash skin with mild soap and water, seek medical help for persistent irritation
Eye Contact: Flush gently with clean water for 10–15 minutes, remove contact lenses if present, seek medical help if discomfort continues
Ingestion: Rinse mouth, give water to drink if conscious, do not induce vomiting except under medical advice, get medical help for discomfort
Extinguishing Media: Use water spray, foam, dry chemical, carbon dioxide as appropriate for the surrounding fire
Unsuitable Extinguishing Media: None known
Specific Hazards: Does not burn easily, may emit irritating smoke at high temperatures
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Decomposition Products: Carbon oxides, sodium oxides, minor organic volatiles
Special Procedures: Cool containers with water spray, prevent contaminated fire water from entering drains or waterways
Personal Precautions: Wear dust-proof goggles, gloves, and suitable respiratory protection
Environmental Precautions: Prevent large volume spills from entering drains or aquatic environments
Containment: Gather spilled product with broom or shovel, place in labelled containers for disposal or reuse
Cleaning Methods: Minimize dust, ventilate affected area, vacuum or sweep gently, wash spill site with water if needed
Disposal: Collect residue for proper disposal following local regulations
Handling: Avoid creating and breathing dust, use local exhaust ventilation, wash hands before eating or drinking
Storage: Keep dry, sealed in original or compatible containers, store away from strong acids or oxidizing agents, protect from moisture and direct sunlight, prevent caking and clumping
Incompatible Materials: Strong acids and oxidizing compounds
Exposure Limits: No established occupational exposure limits for product; use general workplace guidelines for nuisance dust (10 mg/m³ total dust, 5 mg/m³ respirable fraction)
Engineering Controls: Provide local ventilation, dust extraction at handling points
Eye Protection: Chemical safety goggles or glasses
Hand Protection: Impermeable gloves
Skin Protection: Protective clothing to prevent skin contact
Respiratory Protection: Dust mask or respirator in high dust conditions
Hygiene Measures: Wash hands after handling, avoid eating, drinking, and smoking in work areas
Appearance: Brown to black powder, granules, or flakes
Odor: Faint earthy smell
Odor Threshold: Not established
pH: 9–11 (1% solution in water)
Melting Point/Freezing Point: Decomposes, no distinct melting
Solubility in Water: 50–85%, depends on grade and source
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Non-flammable solid
Explosive Properties: Not explosive
Vapor Pressure: Negligible
Vapor Density: Not relevant
Relative Density: 0.8–1.2 g/cm³
Partition Coefficient (n-octanol/water): Not available
Auto-Ignition Temperature: > 300 °C (thermal decomposition)
Decomposition Temperature: > 200 °C; emits carbon oxides and minor organic compounds
Viscosity: Not applicable
Stability: Stable under normal storage and handling conditions
Reactivity: No dangerous reactions with common substances
Hazardous Reactions: Strong acids may cause release of humic acid and carbon dioxide
Conditions to Avoid: Excessive heat, moisture, contact with strong acids
Incompatible Materials: Strong oxidizers, strong acids
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide, organic volatiles, sodium oxides at high temperature or in fire
Acute Toxicity: Low toxicity, LD50 (oral/dermal/rat): above 2000 mg/kg; no deaths or significant effects in standard studies
Skin Corrosion/Irritation: Not corrosive, slight dryness or irritation in sensitive persons
Serious Eye Damage/Irritation: Mild, can cause irritation from dust
Respiratory Sensitization: Prolonged exposure to dust may irritate airways
Skin Sensitization: Not considered a sensitizer
Carcinogenicity: No ingredients listed by NTP, IARC, OSHA as carcinogens
Mutagenicity: No evidence of mutagenic effects in available studies
Reproductive Toxicity: No known reproductive risks or developmental toxicity
Target Organ Effects: No specific target organ toxicity noted
Chronic Effects: Prolonged excessive dust inhalation can aggravate pre-existing respiratory conditions
Ecotoxicity: Not toxic to aquatic or terrestrial life in normal use concentrations; studies show humic substances generally support soil health
Persistence/Degradability: Biodegradable, slowly breaks down into smaller organic acids in soil and water
Bioaccumulative Potential: Low, does not persist in animal tissues
Mobility in Soil: Moderately mobile, binds to minerals and organic matter
Other Adverse Effects: Large uncontrolled releases may alter water pH slightly, but no lasting harmful effects have been observed
Disposal Methods: Dispose of in landfill or by controlled incineration following local, regional, national, and international regulations
Unused Product: Can be used as soil conditioner or disposed as non-hazardous waste
Contaminated Packaging: Rinse and recycle if regulations allow; otherwise, dispose as non-hazardous waste
Special Instructions: Avoid release to surface waters in large quantities; document disposal through approved waste schemes in case of commercial or bulk disposal
UN Number: No UN number assigned; not regulated
UN Proper Shipping Name: Not regulated for transport
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Marine Pollutant: No
Special Precautions for User: Prevent dust generation, secure containers during transport
Transport in Bulk: Follow standard practices for powdery solid materials
DOT, IATA, IMDG: Not classified as dangerous goods for land, sea, or air transport
OSHA: Not listed as hazardous substance
TSCA: Component chemicals are listed in US Toxic Substances Control Act (TSCA) Inventory
DSL/NDSL: Listed in Canadian Domestic/Non-Domestic Substances List
REACH: Exempted as a naturally occurring substance, not classified as hazardous according to EU CLP regulation
WHMIS Classification: Not controlled product in Canada
SARA Title III: Not subject to reporting requirements
Prop 65: Does not contain chemicals known to the State of California to cause cancer or reproductive toxicity
Other Regulations: Check country and local regulations for environmental and safety compliance if using in food production or agriculture