Hummel Croton Inc.
10 Harmich Road
South Plainfield, NJ 07080

  Tel:908-754-1800 / Fax 908-754-1815

Data Sheet

Printable Version
Oxalic Acid Dihydrate Rev. Date 04/21/06

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 Terms and Conditions

Product Code:   15-7500
Appearance:   White Crystals
Purity:   99.6% Min.
Heavy Metals:   0.001% Max.
Iron:   0.001% Max.
Sulfates:   0.07% Max.
Residue after Ignition:   0.09% Max.
Chlorides:   0.002% Max.
Water Insolubles Metals:   0.05% Max.
PACKAGING:   55 lb. and 110 lb. Bag
USES:   Oxalic acid is used for removing paint, varnish, rust and ink stains, auto radiator cleanser, purifying agent, and leather tanning. It is also a catalyst used for blending textiles and a reducing agent.
HANDLING:   Strong irritant toxic by ingestion or inhalation. Store in a cool, dry place. OSHA PEL and ACGIH TLV-TWA have been established for this compound at 1mg/m3. See MSDS for more information.
PROPER SHIPPING NAME:   Corrosive Solid, Acidic, Organic, n.o.s. (Oxalic Acid)
& SHIPPING INFORMATION:   UN# 3261, Class 8, PG III, Label Code 8

Oxalic Acid Dihydrate
CAS Number
RTECS Number
Melting point
Water Solubility

RO 2450000
101-102 °C
1g in 7ml

EINEC Number
Molecular Wt.
Molecular Formula

C2H2O4 • 2H2O

No warranty, expressed or implied, or merchantability, fitness for a particular purpose or otherwise is made, except that the products herein discussed comply with the chemical description on the labels. Buyer assumes risks of the use, storage and handling. Hummel shall not be liable for any incidental or consequential damages arising directly or indirectly in connection with the purchase, use, storage or handling of this product. The information contained herein is, to the best of our knowledge, true and accurate. However, all recommendations or suggestions are made without guarantee, since the conditions of use are beyond our control. We disclaim any liability incurred in connection with the use of these data or suggestions. This information is not to be taken as a license to operate under, or a recommendation to infringe any patent(s). The observance of all regulations and patents is the responsibility of the user. No agent, representative or employee of this company is authorized to vary any terms of this notice.