Oxalic Acid

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Oxalic acid, 6153-56-6, C₂O₄H₂ ∙ 2H₂O, MW 126.07 is transparent, colorless crystals that are water soluble. Oxalic acid occurs naturally in many plants (wood sorrel, rhubarb, spinach). Oxalic acid is used for metal and equipment cleaning, leather tanning, rust proofing treatments, bleaching of textiles, rare-earth processing, printing and dyeing auxiliary. Oxalic acid is an ingredient for deep rust red patina.

General Information on Oxalic acid

Item No. : O4329-500, O4329-2.5, O4329-12

CAS No. : 6153-56-6

Properties of Oxalic acid :

Appearance/Form: Transparent, colorless crystals

Formula: C₂O­₄H₂ · 2H₂O

Molecular Weight: 126.07

pH: 1.3

MP: 189.5 °C (373.1 °F)

FP: 157 °C (315 °F)

Vapor Pressure: < 0.01 mmHg at 20 °C (68 °F)

Density: 1.90 g/mL

Solubility: Soluble in water

Stock Status : Readily Available

Purity : Technical

Storage : Moisture sensitive; keep in a dry, well-ventilated place

Uses of Oxalic acid

General metal and equipment cleaning, leather tanning, rust proofing treatments, bleaching of textiles, rare-earth processing, printing and dyeing auxiliary, and as an ingredient for deep rust red patina

Transport Information for Oxalic acid

Proper Shipping Name: Corrosive solid, acidic, organic, n.o.s. (Oxalic acid)

UN2361

Class: 8

Packing Group: III

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