Product Name: L(+)-Tartaric Acid Fine Powder
Synonyms: Dihydroxysuccinic acid, 2,3-Dihydroxybutanedioic acid
Chemical Formula: C4H6O6
CAS Number: 87-69-4
Recommended Uses: Used in food, beverage, pharmaceutical industries, and in laboratory reagents for its acidulating and chelating properties
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Classification: Eye irritation (Category 2), Skin irritation (Category 2)
Signal Word: Warning
Hazard Statements: Causes serious eye irritation. Causes skin irritation if in direct and sustained contact. Fine powder creates dust that can exacerbate pre-existing respiratory conditions.
Pictograms: Exclamation mark
Precautionary Statements: Wear eye/face protection, avoid breathing dust, wash hands and exposed skin thoroughly after handling, remove contaminated clothing and wash before use.
Potential Health Effects: Eye, skin, and respiratory tract irritation, especially after repeated or high-level exposure; ingestion may result in gastrointestinal discomfort.
Chemical Name: L(+)-Tartaric Acid
Percentage: ≥ 99%
Impurities: Trace organic acids, <0.5%
Molecular Weight: 150.09 g/mol
Other Components: None considered hazardous under relevant regulations.
Inhalation: Move person to fresh air, encourage breathing, seek medical advice if respiratory discomfort persists.
Eye Contact: Rinse eyes immediately with gentle stream of water for at least 15 minutes, hold eyelids apart, remove contact lenses if present and easy, get medical attention if irritation continues.
Skin Contact: Remove contaminated clothing, flush skin with plenty of water and soap, do not reuse clothing until thoroughly decontaminated, seek medical attention if irritation develops.
Ingestion: Rinse mouth with water, do not induce vomiting, drink small quantity of water if the person is conscious, consult a physician as needed.
Most Important Symptoms: Coughing, irritation of nose, mouth, throat, eyes, and skin; prolonged exposure may worsen symptoms.
Medical Attention & Special Treatments: Symptomatic and supportive, treat according to clinical judgement; no specific antidote exists.
Suitable Extinguishing Media: Use water spray, carbon dioxide, dry chemical, or foam; avoid streams directly on dust clouds.
Unsuitable Media: None identified
Specific Hazards: Fine powder form may create combustible dust clouds, can contribute to fire under specific conditions, thermal decomposition can release acrid fumes and carbon oxides.
Protective Equipment for Firefighters: Full protective gear, self-contained breathing apparatus
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, acrid smoke and fumes.
Advice for Firefighters: Cool surrounding containers with water, prevent fire-fighting runoff from contaminating drains and water sources.
Personal Precautions: Evacuate non-essential personnel from the area, avoid inhaling dust, wear recommended personal protective equipment.
Protective Equipment: Chemical-resistant gloves, safety goggles or face shield, dust mask or respirator.
Environmental Precautions: Prevent powder from entering drains, surface water, soil, and natural habitats; contain and recover spillage.
Clean-up Method: Sweep or vacuum up spillage into suitable containers for disposal, avoid creating dust clouds, ventilate area, wash residues with water.
Decontamination: Dispose of waste in accordance with local regulations, wash skin and contaminated clothing thoroughly after clean-up.
Handling: Avoid dust formation, handle in well-ventilated area, minimize contact with skin and eyes, use only with proper equipment and protective measures, wash hands before eating, drinking, or smoking.
Storage: Store tightly closed in a cool, dry, well-ventilated place, keep containers sealed when not in use, store away from incompatible materials (strong oxidizers, strong bases), segregate from food and feed.
Incompatibilities: Store away from strong oxidizing agents, strong bases.
Hygiene Measures: Keep away from food and beverages, maintain good industrial hygiene practices.
Control Parameters: No established workplace exposure limits; recommended to keep airborne dust as low as possible.
Engineering Controls: Use local exhaust ventilation, containment systems to reduce airborne concentrations, maintain eye wash stations and safety showers near work areas.
Individual Protection: Safety glasses or chemical splash goggles, gloves resistant to acids (nitrile, neoprene), particulate filter mask (N95 or higher) for dust, protective lab coat or clothing.
Environmental Exposure Controls: Avoid discharge to the environment, ensure any spills do not reach drains or watercourses.
Appearance: Fine white crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: 2.0 (0.5% solution)
Melting Point/Freezing Point: 172°C (decomposes)
Boiling Point: Not applicable (decomposes)
Flash Point: Not flammable under standard conditions
Evaporation Rate: Not applicable
Flammability: May form combustible dust-air mixtures
Explosive Properties: Dust may be explosive if suspended in air
Vapor Pressure: Negligible at ambient temperature
Density: 1.79 g/cm³
Solubility: Freely soluble in water, slightly soluble in ethanol, insoluble in ether
Partition Coefficient (n-octanol/water): -1.91
Auto-ignition Temperature: >500°C
Decomposition Temperature: Above 170°C
Viscosity: Not applicable
Other Data: Stable under normal storage and handling conditions.
Chemical Stability: Stable under standard storage conditions, sensitive to moisture and heat.
Reactivity: Reacts with strong oxidizing agents and strong bases.
Conditions to Avoid: High humidity, elevated temperatures, sources of ignition, generation of dust clouds.
Incompatible Materials: Strong oxidizers, strong alkalis, bases.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, irritating organic vapors when heated or combusted.
Acute Toxicity: Low toxicity by oral, dermal, and inhalation routes; oral LD50 (rat): approximately 7,500 mg/kg.
Skin Corrosion/Irritation: Prolonged or repeated exposure may cause irritation.
Eye Damage/Irritation: Causes serious eye irritation on contact.
Respiratory Irritation: Inhalation of dust may lead to coughing and temporary respiratory discomfort.
Sensitization: Not considered a respiratory or skin sensitizer.
Carcinogenicity: Not classified as a carcinogen by IARC, NTP, or OSHA.
Mutagenicity: No evidence of mutagenic effects in standard laboratory studies.
Reproductive Toxicity: No known adverse reproductive effects.
Chronic Effects: No known significant effects or hazards in normal handling; excessive exposure to dust may aggravate respiratory diseases.
Toxicity: Low acute toxicity to aquatic and terrestrial organisms.
Persistence and Degradability: Readily biodegradable in natural environments.
Bioaccumulation: Not expected to bioaccumulate due to high water solubility and low partition coefficient.
Mobility in Soil: High mobility; leaches readily through soil and is metabolized by soil microorganisms.
Other Adverse Effects: No known significant environmental hazards or ecotoxic effects at levels expected from intended use and accidental releases.
Waste Treatment Methods: Dispose of according to local, regional, national, and international regulations; small amounts can be dissolved and flushed with large amounts of water.
Contaminated Packaging: Empty containers should be rinsed thoroughly and recycled or disposed of as non-hazardous waste wherever possible.
Special Disposal Precautions: Avoid environmental release in concentrated form, keep away from drains, sewers, and natural water sources.
UN Number: Not regulated under UN transport requirements
UN Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Classes: Not regulated
Packing Group: Not assigned
Environmental Hazards: Not considered hazardous to the environment during transport
Special Precautions: Protect from physical shocks, moisture, and incompatible materials in transit; ensure containers remain sealed and labeled.
Safety, Health, and Environmental Regulations: Listed or exempted under chemical inventories such as TSCA (USA), EINECS (EU), DSL (Canada); not subject to specific labeling under GHS for consumer products at typical concentrations.
SARA 311/312 Hazard Categories: Immediate (acute) health hazard
California Proposition 65: Not listed
Other Regulations: Observe worker exposure limits, where applicable, for nuisance dust in workplace; comply with local community right-to-know regulations.
Label Elements: Compliant with GHS and OSHA requirements for hazardous chemical labeling at high concentrations.
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