Industrial chemicals · Taylor, TXSafety Data Sheet
Safety Data Sheet · OSHA HCS 2024
Oxalic Acid, Dihydrate - Ethanedioic Acid Technical Grade
Technical
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The downloadable PDF is a print of this page and carries all 16 OSHA HCS sections.
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
- CAS number
- 6153-56-6
- Structure
Structure · PubChem - Grade
- Technical
- Signal word
- Danger
- Hazards
Identification
- Product Identifier
- Oxalic Acid, Dihydrate - Ethanedioic Acid Technical Grade
- Grade
- Technical
- CAS Number
- 6153-56-6
- Molecular Weight
- 126.07 g/mol
- Manufacturer
- Alliance Chemical
204 South Edmond Street, Taylor, TX 76574 - Emergency Phone
- Chemtel 1-800-255-3924 (24/7)
- Recommended Use
- Industrial / laboratory chemical. See Section 7.
- Restrictions on Use
- No restrictions identified beyond the conditions of safe use in Sections 7 and 8.
Hazard Identification
- Classification
- Acute toxicity (oral), Category 4
- Acute toxicity (dermal), Category 4
- Skin corrosion/irritation, Category 2
- Serious eye damage/eye irritation, Category 1
- Specific target organ toxicity, repeated exposure, Category 2
- Signal Word
- Danger
- Hazard Statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H318Causes serious eye damage
- H373May cause damage to organs through prolonged or repeated exposure
- Precautionary Statements
- P260Do not breathe dust, fume, gas, mist, vapors or spray.
- P264Wash hands and face thoroughly after handling.
- P270Do not eat, drink or smoke when using this product.
- P280Wear protective gloves, protective clothing, and eye/face protection.
- P301+P312IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell.
- P302+P352IF ON SKIN: Wash with plenty of water and soap.
- P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310Immediately call a POISON CENTER or doctor.
- P313Get medical advice or attention.
- P314Get medical advice or attention if you feel unwell.
- P321Specific treatment (see first-aid information on this label).
- P330Rinse mouth.
- P332+P313If skin irritation occurs: Get medical advice or attention.
- P362Take off contaminated clothing and wash before reuse.
- P501Dispose of contents and container in accordance with local, regional, national, and international regulations.
Classification, hazard (H) and precautionary (P) statements and pictograms per OSHA HCS 2024 (29 CFR 1910.1200, Appendices A–C), aligned with GHS Rev. 7.
Composition / Information on Ingredients
| Component | CAS No. | Formula | Concentration |
|---|---|---|---|
| Oxalic Acid, Dihydrate - Ethanedioic Acid | 6153-56-6 | C2H6O6 | 99.5-100% (w/w) |
Concentrations are nominal; lot-specific values appear on the Certificate of Analysis. Components not contributing to classification are omitted.
First-Aid Measures
- Eyes
- Rinse with plenty of water for at least 15 minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention immediately.
- Skin
- Immediately flush with plenty of water for at least 15 minutes while removing contaminated clothing. Wash with soap. Get medical attention immediately.
- Inhalation
- Move person to fresh air and keep comfortable for breathing. If breathing is difficult, give oxygen. If not breathing, give artificial respiration. Get medical attention immediately.
- Ingestion
- Do Not Induce Vomiting! Never give anything by mouth to an unconscious person. If conscious, wash out mouth with water. Get medical attention immediately.
- Most Important Symptoms and Effects
- Eye contact causes serious eye damage: pain, redness and corneal injury, which may be permanent.
- Skin contact causes irritation: redness, itching and pain; repeated contact may dry and crack the skin.
- Ingestion may cause nausea, vomiting and abdominal pain; larger amounts may cause systemic poisoning.
- Absorption through the skin may cause systemic poisoning.
- Immediate Medical Attention and Special Treatment
- Immediate medical attention is required after eye contact; eye damage may continue after exposure ends.
Fire-Fighting Measures
- Suitable Extinguishing Media
- Use water spray, alcohol-resistant foam, dry chemical, or CO2. Use measures appropriate to local circumstances.
- Unsuitable Extinguishing Media
- Do not use a solid water stream as it may scatter and spread fire.
- Specific Hazards Arising from the Chemical
- Containers may rupture when heated.
- Protective Equipment
- Wear self-contained breathing apparatus and full protective clothing.
- Hazardous Combustion Products
- Carbon monoxide and carbon dioxide; may also form formic acid on heating.
Accidental Release Measures
- Personal Precautions
- Use PPE as described in Section 8. Ensure adequate ventilation. Evacuate personnel to safe areas.
- Environmental Precautions
- Prevent leakage or spillage from entering drains, sewers, or waterways.
- Containment & Cleanup
- Absorb with inert material. Collect in appropriate waste container. Dispose per applicable regulations.
Handling and Storage
- Safe Handling
- Use with adequate ventilation. Avoid contact with skin, eyes, and clothing. Wash thoroughly after handling. Keep container closed when not in use.
- Safe Storage
- Store in a cool, dry, well-ventilated area. Keep away from incompatible materials (see Section 10). Keep containers tightly closed.
- Specific Storage Precautions
- Keep containers tightly closed in a cool, dry, well-ventilated place and protect from moisture (hygroscopic); store locked up. Minimize dust generation and accumulation.
Exposure Controls / Personal Protection
Occupational Exposure Limits
| Limit | Value |
|---|---|
| OSHA PEL | 1 mg/m³ TWA |
| NIOSH REL | 1 mg/m³ TWA / 2 mg/m³ STEL |
| IDLH | 500 mg/m³ |
- Engineering Controls
- Use adequate ventilation. Provide eyewash stations and quick-drench showers accessible to areas of use.
- Eye/Face Protection
- Wear chemical safety goggles or face shield.
- Skin Protection
- Wear chemical-resistant gloves and protective clothing.
- Respiratory Protection
- Use NIOSH-approved respirator if exposure limits are exceeded or irritation occurs.
Exposure limits sourced from NIOSH Pocket Guide, OSHA 29 CFR 1910.1000 and ACGIH TLVs.
Physical & Chemical Properties
- Appearance
- Colorless crystals
- Odor
- No data available
- Odor Threshold
- No data available
- pH
- No data available
- Melting Point / Freezing Point
- 101-102 °C
- Boiling Point
- 149 to 160 °C (300 to 320 °F)
- Flash Point
- No data available
- Evaporation Rate
- No data available
- Flammability (solid, gas)
- No data available
- Upper/Lower Flammability or Explosive Limits
- No data available
- Vapor Pressure
- No data available
- Vapor Density
- No data available
- Relative Density
- No data available
- Solubility
- Solubility in water, g/100ml at 20 °C: 13-14
- Partition Coefficient (n-octanol/water)
- No data available
- Auto-ignition Temperature
- No data available
- Decomposition Temperature
- No data available
- Viscosity
- No data available
- Particle Characteristics
- No data available
- Form
- Solid
- Density
- 1.65 g/cm³
Values shown reflect product-specific canonical data. Lot-specific ranges may vary; see the Certificate of Analysis for the shipped lot.
Stability and Reactivity
- Reactivity
- Not reactive under normal conditions of use and storage.
- Chemical Stability
- Stable under recommended storage conditions.
- Possibility of Hazardous Reactions
- None under normal processing conditions.
- Conditions to Avoid
- Dust formation (fine dust can form explosive mixtures with air); moisture; heat, flames and sparks.
- Incompatible Materials
- Strong oxidizing agents; strong bases and alkalis; metals; acid chlorides; chlorites and hypochlorites; silver compounds (explosive silver oxalate); furfuryl alcohol.
- Hazardous Decomposition Products
- Carbon monoxide and carbon dioxide; may also form formic acid on heating.
Toxicological Information
See Section 2 for GHS hazard classification.
- Likely Routes of Exposure
- Inhalation, skin contact, eye contact, ingestion.
- Symptoms
- Eye contact causes serious eye damage: pain, redness and corneal injury, which may be permanent.
- Skin contact causes irritation: redness, itching and pain; repeated contact may dry and crack the skin.
- Ingestion may cause nausea, vomiting and abdominal pain; larger amounts may cause systemic poisoning.
- Absorption through the skin may cause systemic poisoning.
- Delayed and Chronic Effects
- Prolonged or repeated exposure may damage organs.
- Repeated skin contact may cause dermatitis (dry, cracked skin).
- Numerical Measures of Toxicity
- No data available
Carcinogen Classification
| Agency | Status |
|---|---|
| IARC | Not listed as carcinogen. |
| NTP | Not listed as carcinogen. |
| OSHA | Not listed as carcinogen. |
Ecological Information
- Ecotoxicity
- Data not available. Avoid release to the environment.
- Persistence & Degradability
- Not Available
- Bioaccumulative Potential
- Not Available
- Mobility in Soil
- Not Available
Disposal Considerations
Dispose of contents/container in accordance with applicable federal, state, and local regulations. Do not dispose of into drains or waterways.
Transport Information
Not regulated for transport under US DOT 49 CFR Subchapter C, IMDG, or IATA DGR.
Regulatory Information
| Inventory / List | Status |
|---|---|
| California Proposition 65 | Not listed |
| US EPA TSCA Active Inventory | Listed |
| EPCRA SARA 313 (TRI) | Not listed |
SARA 311/312 hazard categories correspond to the GHS classification in Section 2. Data retrieved as of: California Proposition 65 2026-10-02; US EPA TSCA Active Inventory 2026-10-02; EPCRA SARA 313 (TRI) 2026-10-02.
Other Information
- Revision Date
- Format
- 16-section format per OSHA HCS 2024 (29 CFR 1910.1200, Appendix D), aligned with GHS Rev. 7.
Disclaimer: The information provided in this Safety Data Sheet is correct to the best of our knowledge at the date of publication. It relates only to the specific product identified and does not relate to its use in combination with other materials. ALLIANCE CHEMICAL MAKES NO WARRANTY, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. ALLIANCE CHEMICAL DOES NOT ASSUME LIABILITY FOR LOSS, INJURY, DAMAGE, OR EXPENSE ARISING FROM THE HANDLING, STORAGE, USE, OR DISPOSAL OF THIS PRODUCT.
Alliance Chemical, 204 South Edmond Street, Taylor, TX 76574. Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. This Safety Data Sheet is prepared from the regulatory data on file for this product.