Industrial chemicals · Taylor, TXTechnical Data Sheet
Technical Data Sheet
Oxalic Acid ACS Grade
ACS Grade
- CAS番号
- 6153-56-6
- 構造
構造・PubChem - グレード
- ACS Grade
- 注意喚起語
- Danger
- 危険有害性
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer.
Identity & Composition
- 製品名
- Oxalic Acid ACS Grade
- Alliance Code
- oxalic-acid-acs-grade
- グレード
- ACS Grade
- 濃度
- —
- CAS番号
- 6153-56-6Adjudicated
- 化学式
- C2H2O4·2H2OAdjudicated
- 分子量
- 126.07Adjudicated
- 製品種別
- Pure substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay | 99.5-102.5% | 101.2 % | Redox Titration | Interpreted |
| Calcium (Ca) | 0.001 % max | 0.00014 % | — | Interpreted |
| Chloride (Cl) | 0.002 % max | 0.00036 % | — | Interpreted |
| Heavy metals | 5 ppm max | 0.39 ppm | ICP-OES | Interpreted |
| Insoluble material | ≤0.005% | 0.0007% | — | Interpreted |
| Iron (Fe) | 2 ppm max | 0.38 ppm | — | Interpreted |
| Nitrogen compounds (as N) | ≤0.001% | 0.00018 % | — | Interpreted |
| Residue after ignition | 0.01 % max | 0.0017 % | — | Interpreted |
| Substances darkened by hot sulfuric acid | To pass test | Passes test | — | Interpreted |
| Sulfates (SO4) | 0.005 % max | 0.0011 % | — | Interpreted |
| Identification (Infrared absorption) | Conforms to reference spectrum of oxalic acid dihydrate | Passes test | FTIR, KBr disc, comparison to reference spectrum | Interpreted |
Values are reproduced from the current product reference. Source labels do not by themselves establish a supplier guarantee or a test result for your lot. Confirm applicable acceptance limits and request lot-specific documentation.
Real-Lot StatisticsBased on 1 lot over the last 24 months
Lot statistics not yet available for this product — need at least 3 lots, have 1.
Aggregated from real laboratory measurements on shipped lots. Source: Alliance Chemical lot records. Not a specification.
物理的及び化学的性質
| Property | 値 | Source |
|---|---|---|
| 外観 | Colorless to white crystals | Adjudicated |
| 形状 | Solid | Adjudicated |
| 臭い | Odorless | Adjudicated |
| 比重 | 1.653 | Adjudicated |
| 密度 | 1.653 g/cm3 | Adjudicated |
| 沸点 | Not applicable (loses water of hydration, then decomposes) | Adjudicated |
| 融点 | 101.5 °C (214.7 °F) | Adjudicated |
| 引火点 | Not applicable (non-flammable) | Adjudicated |
| 蒸気圧 | Negligible at 20 °C | Adjudicated |
| Solubility (water) | Soluble in water (13-14 g/100 mL at 20 °C) and alcohol | Adjudicated |
Regulatory & Transport
DOT / 49 CFR
- 国連番号
- 非該当Adjudicated
- 危険有害性クラス
- 非該当Adjudicated
- 容器等級
- 非該当Adjudicated
- 正式輸送品名
- 非該当Adjudicated
GHS / OSHA HCS 2024
- 注意喚起語
- 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, P310, P313, P314, P321, P330, P362, P501Adjudicated
許容濃度
- OSHA PEL (29 CFR 1910.1000)
- 1 mg/m³ TWAOSHA 29 CFR 1910.1000
- ACGIH TLV
- —no canonical
- NIOSH REL
- 1 mg/m³ TWA / 2 mg/m³ STELNIOSH Pocket Guide
- NIOSH IDLH
- 500 mg/m³NIOSH Pocket Guide
輸送情報は発行時点の49 CFR 172.101の照会結果を反映しています。データ出典：REL/IDLHはNIOSH Pocket Guide、PELはOSHA Zテーブル。出荷に関わる重要な判断の前に、必ず最新の規制本文で確認してください。
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 ACS Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Laboratory, research or manufacturing use as an ACS reagent, including as a reagent meeting specifications for testing USP/NF monographsdigitalassets.avantorsciences.com
- Used as an analytical quality standard / reagent against which other substances are gradedsciencelab.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
- Used in the dyeing industry as a mordant and as a cleaning agentsciencelab.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
- 容器を密閉し、涼しく乾燥した換気の良い場所で保管し、湿気から保護すること（吸湿性）。施錠して保管すること。粉じんの発生および蓄積を最小限に抑えること。Adjudicated
- 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
- 強い酸化剤；強塩基およびアルカリ；金属；酸クロリド；亜塩素酸塩および次亜塩素酸塩；銀化合物（爆発性 silver oxalate）；furfuryl alcoholAdjudicated
- 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.
NMFC Class
70
Revision History
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.7 | 2026-10-13 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.6 | 2026-10-08 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-10-05 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-09-24 | Canonical data updated: 8 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-07-22 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-17 | Canonical data updated: 4 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.