Technical Data Sheet

Oxalic Acid, Dihydrate - Ethanedioic Acid Technical Grade

Technical

Alliance Code: oxalic-acid-dihydrate-ethanedioic-acid
確認日: 2026-07-17
Revision: 1.6

CAS番号: 6153-56-6
構造: 構造・PubChem
グレード: Technical
注意喚起語: Danger
危険有害性: 腐食性刺激性 / 有害性健康有害性H302 H312 H315 H318 H373

Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer.

Identity & Composition

製品名: Oxalic Acid, Dihydrate - Ethanedioic Acid Technical Grade
Alliance Code: oxalic-acid-dihydrate-ethanedioic-acid
グレード: Technical
濃度: —
CAS番号: 6153-56-6PubChem
化学式: —PubChem
分子量: 126.07PubChem
製品種別: Pure substance

Specifications

Test	Specification	Typical	Method	Source
Assay [(COOH)2•2H2O]	98.5 - 101.5 %	99.8 %	—	Interpreted
Calcium (Ca)	Max. 0.007 %	0.0020 %	—	Interpreted
Chloride (Cl)	Max. 0.003 %	0.00070 %	—	Interpreted
Heavy metals (as Pb)	Max. 0.001 %	0.00020 %	—	Interpreted
Iron (Fe)	Max. 0.004 %	0.00074 %	—	Interpreted
Magnesium (Mg)	Max. 0.005 %	0.00039 %	—	Interpreted
Nitrogen compounds	Max. 0.008 %	0.0009 %	—	Interpreted
Sulphated ash	Max. 0.04 %	0.013 %	—	Interpreted
Sulphate (SO4)	0.08 % max	0.0069 %	—	Interpreted
Water insoluble matter	Max. 0.02 %	0.0035 %	Gravimetric - 10 g in 100 mL water, filtered through tared sintered glass, dried at 105 C	Interpreted
ignition 850°c	0.05 % max	0.014	—	Interpreted
sodium	0.001 % max	0.00029	—	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.

物理的及び化学的性質

Property	値	Source
外観	Colorless crystals	Adjudicated
形状	Solid	Published reference
密度	1.65 g/cm³	Published reference
沸点	149 to 160 °C (300 to 320 °F)	Adjudicated
融点	101-102 °C	Adjudicated
Solubility (water)	Solubility in water, g/100ml at 20 °C: 13-14	Published reference

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, P332+P313, 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, Dihydrate - Ethanedioic Acid Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.

Download audit packet

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: 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

Revision History

Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

Version	Date	Change	Trigger
1.6	2026-10-13	Canonical data updated: 4 fields changed via the provenance/adjudication pipeline. storage_precautions· canonical change (coa.data_provenance / adjudication) incompatible_materials· canonical change (coa.data_provenance / adjudication) conditions_to_avoid· canonical change (coa.data_provenance / adjudication) hazardous_decomposition_products· canonical change (coa.data_provenance / adjudication)	canonical_change
1.5	2026-10-07	Canonical data updated: 3 fields changed via the provenance/adjudication pipeline. ghsClassification· canonical change (coa.data_provenance / adjudication) hazard_h_codes· canonical change (coa.data_provenance / adjudication) hazard_p_codes· canonical change (coa.data_provenance / adjudication)	canonical_change
1.4	2026-10-05	Canonical data updated: 3 fields changed via the provenance/adjudication pipeline. oel_niosh_rel· canonical change (coa.data_provenance / adjudication) oel_idlh· canonical change (coa.data_provenance / adjudication) oel_osha_pel· canonical change (coa.data_provenance / adjudication)	canonical_change
1.3	2026-09-30	Canonical data updated: 3 fields changed via the provenance/adjudication pipeline. boilingPoint· canonical change (coa.data_provenance / adjudication) meltingPoint· canonical change (coa.data_provenance / adjudication) appearance· canonical change (coa.data_provenance / adjudication)	canonical_change
1.2	2026-07-22	Canonical data updated: 5 fields changed via the provenance/adjudication pipeline. unNumber· canonical change (coa.data_provenance / adjudication) hazardClass· canonical change (coa.data_provenance / adjudication) packingGroup· canonical change (coa.data_provenance / adjudication) dotProperShippingName· canonical change (coa.data_provenance / adjudication) ghsClassification· canonical change (coa.data_provenance / adjudication)	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). countryOfOrigin· canonical adjudication / reground (coa.data_provenance) dotProperShippingName· canonical adjudication / reground (coa.data_provenance) ghsClassification· canonical adjudication / reground (coa.data_provenance) hazardClass· canonical adjudication / reground (coa.data_provenance) hazard_h_codes· canonical adjudication / reground (coa.data_provenance) hazard_p_codes· canonical adjudication / reground (coa.data_provenance) hsCode· canonical adjudication / reground (coa.data_provenance) packingGroup· canonical adjudication / reground (coa.data_provenance) signalWord· canonical adjudication / reground (coa.data_provenance) unNumber· canonical adjudication / reground (coa.data_provenance)	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.