Industrial chemicals · Taylor, TXTechnical Data Sheet
Oxalic Acid, Dihydrate - Ethanedioic Acid Technical Grade
Reagent
Identity & Composition
- Product Name
- Oxalic Acid, Dihydrate - Ethanedioic Acid Technical Grade
- Alliance Code
- oxalic-acid-dihydrate-ethanedioic-acid
- Grade
- Reagent
- Concentration
- —
- CAS Number
- 6153-56-6PubChem
- Formula
- C2H6O6PubChem
- Molecular Weight
- 126.07PubChem
- Product Type
- pure_substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay [(COOH)2•2H2O] | 98.5 - 101.5 % | 100.0 % | — | Supplier specification |
| Calcium (Ca) | Max. 0.007 % | 0.0015 % | — | Supplier specification |
| Chloride (Cl) | Max. 0.003 % | 0.0008 % | — | Supplier specification |
| Heavy metals (as Pb) | Max. 0.001 % | 0.0002 % | — | Supplier specification |
| Iron (Fe) | Max. 0.004 % | 0.0008 % | — | Supplier specification |
| Magnesium (Mg) | Max. 0.005 % | 0.0006 % | — | Supplier specification |
| Nitrogen compounds | Max. 0.008 % | 0.0015 % | — | Supplier specification |
| Sulphated ash | Max. 0.04 % | 0.015 % | — | Supplier specification |
| Sulphate (SO4) | Max. 0.04 % | 0.008 % | — | Supplier specification |
| Water insoluble matter | Max. 0.02 % | 0.004 % | Gravimetric - 10 g in 100 mL water, filtered through tared sintered glass, dried at 105 C | Interpreted |
Specification values are guaranteed limits. Typical values are representative of production lots and are not guaranteed. Lot-specific certificates of analysis ship with every order.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Snow white crystals | Supplier specification |
| Form | Solid | Published reference |
| Density | 1.65 g/cm³ | Published reference |
| Melting Point | 99 - 102 C (with decomposition) | Interpreted |
| Solubility (water) | Solubility in water, g/100ml at 20 °C: 13-14 | Published reference |
Regulatory & Transport
DOT / 49 CFR
- UN Number
- Not regulatedAdjudicated
- Hazard Class
- Not regulatedAdjudicated
- Packing Group
- Not regulatedAdjudicated
- Proper Shipping Name
- Not regulatedAdjudicated
GHS / OSHA HazCom 2012
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H302, H312, H315, H318, H373Adjudicated
- P-Codes (Precautionary Statements)
- P260, P264, P270, P280, P301+P312, P302+P352, P305+P351+P338, P313, P314, P321, P330, P332+P313, P362, P501Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- —no canonical
- ACGIH TLV
- —no canonical
- NIOSH REL
- —no canonical
- NIOSH IDLH
- —no canonical
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: ECHA CLP Annex VI for harmonised classifications, NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Oxalic Acid, Dihydrate - Ethanedioic Acid Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Technical grade material suitable for general industrial usesciencelab.com
- Used in the dyeing industry as a mordant and as a cleaning agentsciencelab.com
- Industrial use as a precipitating agent in rare earth mineral processing, bleaching agent for textiles and wood pulp, and rust remover in metal treatmentwintersunchem.com
- Marble polishing/grinding, waste water treatment, calcium removal from water, equipment cleaning and sterilizing, and photographic reducing / ink removalwintersunchem.com
- Removal of food and rust stains from countertops, plumbing fixtures and fabricswintersunchem.com
- Functions as a chelating agent, fixative, bleaching agent, analytical reagent and cleanerwintersunchem.com
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
Storage & Handling
- Recommended Storage
- Storage: Room Temperaturempbio.com
- Handling Precautions
- Use standard chemical PPE — splash goggles, gloves, lab coat. Refer to SDS for hazard-specific PPE requirements.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Consult the SDS for material-specific incompatibilities.Class-level guidance — not product-specific; the SDS controls.
- Shelf Life
- Consult Technical Services for product-specific shelf life
For full hazard, PPE, and emergency response guidance, refer to the Safety Data Sheet (SDS) for this product. The SDS controls in all cases where guidance differs.
Packaging & Logistics
Shipping Description (US DOT)
Not regulated for transport.
Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.2 | 2026-07-22 | Canonical data updated: 5 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 10 fields updated against independent vendor SDSs, CLP Annex VI, 49 CFR, and OSHA HazCom 2024 (GHS classification, hazard/precautionary codes, signal word, physical properties as applicable).
| canonical_change |
| 1.0 | 2026-05-20 | Initial URL-first TDS published from canonical chemistry registry. | initial |
This Technical Data Sheet is provided for technical reference. The Safety Data Sheet (SDS) controls in all cases where guidance differs. Values reflect Alliance Chemical canonical data at time of generation; subsequent revisions are recorded in the Revision History above.