{"product_id":"oxalic-acid-powder-5-lb-bag-metal-cleaner-rust-remover-and-refining-agent","title":"Oxalic Acid Powder – 5 lb Bag | Metal Cleaner, Rust Remover, and Refining Agent","description":"\u003cp data-start=\"300\" data-end=\"575\"\u003e\u003cstrong data-start=\"300\" data-end=\"334\"\u003eHigh-Purity Oxalic Acid Powder\u003c\/strong\u003e (C₂H₂O₄·2H₂O) is a powerful reducing agent widely used in \u003cstrong data-start=\"393\" data-end=\"438\"\u003emetal refining, cleaning, and restoration\u003c\/strong\u003e. This 5-pound bulk bag is ideal for professional jewelers, refiners, and industrial users who need consistent quality and performance.\u003c\/p\u003e\n\u003cp data-start=\"577\" data-end=\"865\"\u003eOxalic acid effectively \u003cstrong data-start=\"601\" data-end=\"644\"\u003eremoves tarnish, rust, and metal oxides\u003c\/strong\u003e, restoring the original shine to gold, silver, brass, and other metals. It’s also used as a \u003cstrong data-start=\"737\" data-end=\"794\"\u003ewood bleach, stain lifter, and general cleaning agent\u003c\/strong\u003e, making it a versatile chemical for both workshop and household use.\u003c\/p\u003e\n\u003chr data-start=\"867\" data-end=\"870\"\u003e\n\u003ch4 data-start=\"872\" data-end=\"893\"\u003e\u003cstrong data-start=\"877\" data-end=\"893\"\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"896\" data-end=\"1005\"\u003e\u003cstrong data-start=\"896\" data-end=\"934\"\u003ePowerful Rust and Tarnish Remover:\u003c\/strong\u003e Dissolves metal oxides and stains on gold, silver, and other metals.\u003c\/p\u003e\n\u003cp data-start=\"1008\" data-end=\"1122\"\u003e\u003cstrong data-start=\"1008\" data-end=\"1036\"\u003eIndustrial-Grade Purity:\u003c\/strong\u003e Consistent crystalline powder for reliable performance in refining and restoration.\u003c\/p\u003e\n\u003cp data-start=\"1125\" data-end=\"1239\"\u003e\u003cstrong data-start=\"1125\" data-end=\"1151\"\u003eMulti-Purpose Cleaner:\u003c\/strong\u003e Use as a rust remover, stain lifter, wood bleach, or ink and mineral deposit remover.\u003c\/p\u003e\n\u003cp data-start=\"1242\" data-end=\"1342\"\u003e\u003cstrong data-start=\"1242\" data-end=\"1261\"\u003eMix with Water:\u003c\/strong\u003e Creates a controlled solution for cleaning, polishing, or surface preparation.\u003c\/p\u003e\n\u003cp data-start=\"1345\" data-end=\"1476\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1372\"\u003eVersatile Applications:\u003c\/strong\u003e Common in jewelry refining, metal finishing, automotive restoration, woodworking, and laboratory use.\u003c\/p\u003e\n\u003chr data-start=\"1478\" data-end=\"1481\"\u003e\n\u003ch4 data-start=\"1483\" data-end=\"1507\"\u003e\u003cstrong data-start=\"1488\" data-end=\"1507\"\u003eProduct Details\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1510\" data-end=\"1552\"\u003e\u003cstrong data-start=\"1510\" data-end=\"1528\"\u003eChemical Name:\u003c\/strong\u003e Oxalic Acid Dihydrate\u003c\/p\u003e\n\u003cp data-start=\"1555\" data-end=\"1581\"\u003e\u003cstrong data-start=\"1555\" data-end=\"1567\"\u003eFormula:\u003c\/strong\u003e C₂H₂O₄·2H₂O\u003c\/p\u003e\n\u003cp data-start=\"1584\" data-end=\"1620\"\u003e\u003cstrong data-start=\"1584\" data-end=\"1593\"\u003eForm:\u003c\/strong\u003e White Crystalline Powder\u003c\/p\u003e\n\u003cp data-start=\"1623\" data-end=\"1656\"\u003e\u003cstrong data-start=\"1623\" data-end=\"1634\"\u003eWeight:\u003c\/strong\u003e 5 Pounds (Bulk Bag)\u003c\/p\u003e\n\u003cp data-start=\"1659\" data-end=\"1686\"\u003e\u003cstrong data-start=\"1659\" data-end=\"1674\"\u003eCAS Number:\u003c\/strong\u003e 6153-56-6\u003c\/p\u003e\n\u003cp data-start=\"1689\" data-end=\"1750\"\u003e\u003cstrong data-start=\"1689\" data-end=\"1703\"\u003ePackaging:\u003c\/strong\u003e Heavy-duty resealable moisture-resistant bag\u003c\/p\u003e\n\u003chr data-start=\"1752\" data-end=\"1755\"\u003e\n\u003ch4 data-start=\"1757\" data-end=\"1780\"\u003e\u003cstrong data-start=\"1762\" data-end=\"1780\"\u003eUsage Examples\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1783\" data-end=\"1831\"\u003ePolish and brighten \u003cstrong data-start=\"1803\" data-end=\"1822\"\u003egold and silver\u003c\/strong\u003e pieces\u003c\/p\u003e\n\u003cp data-start=\"1834\" data-end=\"1885\"\u003eRemove \u003cstrong data-start=\"1841\" data-end=\"1863\"\u003erust and corrosion\u003c\/strong\u003e from metal surfaces\u003c\/p\u003e\n\u003cp data-start=\"1888\" data-end=\"1944\"\u003eLighten \u003cstrong data-start=\"1896\" data-end=\"1911\"\u003ewood stains\u003c\/strong\u003e or refresh weathered furniture\u003c\/p\u003e\n\u003cp data-start=\"1947\" data-end=\"1984\"\u003eClean \u003cstrong data-start=\"1953\" data-end=\"1982\"\u003estone, tile, and concrete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1987\" data-end=\"2029\"\u003eDissolve \u003cstrong data-start=\"1996\" data-end=\"2029\"\u003eiron, ink, and mineral stains\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2031\" data-end=\"2034\"\u003e\n\u003ch4 data-start=\"2036\" data-end=\"2056\"\u003e\u003cstrong data-start=\"2041\" data-end=\"2056\"\u003eSafety Note\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"2057\" data-end=\"2195\"\u003eHandle with care. Avoid contact with skin, eyes, or inhalation of dust. Always wear gloves and protective eyewear. Not for internal use.\u003c\/p\u003e","brand":"GOLD TESTING EQUIPMENT","offers":[{"title":"Default Title","offer_id":45591458447404,"sku":"5lb oxalic acid","price":59.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0954\/5772\/files\/Screenshot_4-11-2025_13562_jsp.cc_d39708b6-b515-4d05-88ee-a605225919c3.jpg?v=1780422812","url":"https:\/\/smartsupplydeals.com\/products\/oxalic-acid-powder-5-lb-bag-metal-cleaner-rust-remover-and-refining-agent","provider":"Smart supply deals","version":"1.0","type":"link"}