Product Name: Cobalt D-Gluconate
Chemical Formula: C12H22CoO14
Synonyms: Gluconic acid, cobalt(II) salt, Cobaltous gluconate
Use: Nutritional supplements, laboratory chemicals, fortification in food and beverages suitable for vegan and vegetarian formulations
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Classification: Acute toxicity (oral), category 4; Skin sensitization, category 1
Symbol: GHS07, exclamation mark
Signal Word: Warning
Hazard Statements: Harmful if swallowed; May cause an allergic skin reaction
Precautionary Statements: Avoid breathing dust; Wash hands thoroughly after handling; Do not eat, drink, or smoke when using this product; Wear protective gloves
Physical Hazards: None identified for typical storage and use
Warning: Prolonged or repeated exposure by inhalation or skin may trigger sensitization in predisposed individuals.
Chemical Name: Cobalt(II) gluconate
CAS Number: 71957-08-9
Concentration: Typically >98%
Impurities: Heavy metals (lead, arsenic, cadmium) at safe trace levels for food applications, in line with vegan processing requirements
Inhalation: Move to fresh air, keep comfortable for breathing; seek medical attention if symptoms persist
Skin Contact: Wash skin with soap and plenty of water; remove contaminated clothing; consult a physician for irritation or allergic reactions
Eye Contact: Rinse cautiously with water for at least 15 minutes; remove contact lenses; seek medical advice if irritation develops
Ingestion: Rinse mouth; give water to dilute; do not induce vomiting; consult medical attention if feeling unwell or after large ingestion
Additional Advice: Be aware of possible allergic symptoms such as rash, itching, breathing difficulties, especially in sensitive individuals
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical powder, foam
Special Hazards from Combustion: Product may decompose under fire to release irritating fumes including carbon oxides and cobalt oxides
Advice for Firefighters: Wear full protective gear including self-contained breathing apparatus
Explosion Risk: Organic dust; avoid dust clouds in air; take action against static electricity
Personal Precautions: Avoid contact with skin and eyes; use appropriate protective equipment; prevent breathing dust
Environmental Precautions: Prevent release into drains or waterways; contain spill with inert absorbent
Methods for Clean-up: Sweep up and place in suitable container for disposal; ventilate area thoroughly; minimize dust; wash spill area after material pickup
Handling: Use with adequate ventilation; avoid dust formation; keep container tightly closed; no smoking, eating, or drinking during handling
Storage Conditions: Store in cool, dry, well-ventilated area; protect from light and moisture; maintain container integrity; label clearly and segregate from incompatible materials such as strong oxidizers
Storage Temperature: Room temperature (15-25°C); avoid temperature extremes to prevent degradation
Occupational Exposure Limits: Cobalt compounds (as Co) TWA 0.02 mg/m³ (NIOSH/OSHA)
Engineering Controls: Local exhaust ventilation, process enclosure across mixing or weighing
Personal Protective Equipment: Safety glasses, protective gloves (nitrile or PVC), lab coat; for heavy dust, respiratory mask (P2 or N95 type)
General Hygiene: Wash hands before breaks and after work; remove contaminated clothing; do not eat or drink near the product
Appearance: Pink or red-violet crystalline powder
Odor: Odorless
pH: 5.5 – 7.5 (1% aqueous solution)
Melting Point: Not defined (decomposes)
Solubility: Soluble in water
Molecular Weight: 445.22 g/mol
Boiling Point: Not applicable (decomposes)
Flash Point: Not flammable
Density: Approx. 1.8 g/cm³
Vapor Pressure: Negligible
Chemical Stability: Stable under recommended storage and handling conditions
Conditions to Avoid: Excessive heat, moisture, incompatible materials such as oxidizers
Incompatible Materials: Strong oxidizers, acids; avoid chlorine compounds
Hazardous Decomposition Products: Releases carbon oxides and cobalt oxides if decomposed by heat
Polymerization: Will not occur
Likely Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: LD50 (oral, rat): 700 mg/kg
Skin Sensitization: May cause allergic skin responses, especially with repeated or high exposure
Chronic Effects: Long-term excessive intake can impact thyroid and heart; cobalt compounds connected to sensitization and possible carcinogenicity (IARC 2B)
Symptoms of Overexposure: Gastrointestinal disturbance, dermatitis, wheezing in hypersensitive people
Ecotoxicity: Cobalt ion moderately toxic to aquatic life, particularly invertebrates and algae
Persistence and Degradability: Organic gluconate portion biodegradable, cobalt remains as metal ion in environment
Bioaccumulation Potential: Potential for accumulation in organisms, watch for entry into food chains
Mobility: Dissolves readily, runoff risk where water contamination possible
Waste Disposal: Follow national and local regulations; avoid direct release to environment
Product Waste: Send to licensed waste disposal site; do not place in drains or water bodies
Contaminated Packaging: Triple-rinse, then treat as hazardous waste per guidelines; recycle if local policy permits
UN Number: Not regulated for ground, air or sea
Shipping Name: Cobalt D-Gluconate
Transport Hazard Class: Not classified as hazardous
Packing Group: None assigned
Environmental Hazard: Take precautions to prevent leaks and dust generation during transfer or shipment; do not ship with incompatible substances
Labelling: Conforms to GHS for hazardous chemical labels as required
Inventory Status: Registered under TSCA (US), EINECS (EU), NZIoC (NZ), DSL (Canada) as food additive or supplement ingredient
Regulatory Restrictions: Restricted as dietary supplement in some jurisdictions; specific maximum allowed concentrations in foods and feeds (check national guidelines)
SARA Section 313 (US): Subject to reporting for cobalt compounds
Other Information: Suitable for vegan and vegetarian products; heavy metal content typically controlled to below statutory limits for edible use
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