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41706

Supelco

Oxalic acid

analytical standard

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Linear Formula:
HO2CCO2H
CAS Number:
Molecular Weight:
90.03
Beilstein:
385686
EC Number:
MDL number:
NACRES:
NA.24

grade

analytical standard

Quality Level

vapor density

4.4 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)

Assay

98.0-102.0% (redox titration)

shelf life

limited shelf life, expiry date on the label

mp

189.5 °C (dec.) (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

OC(=O)C(O)=O

InChI

1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)

InChI key

MUBZPKHOEPUJKR-UHFFFAOYSA-N

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1 of 4

This Item
19413165853775688
Oxalic acid analytical standard

Supelco

41706

Oxalic acid

Oxalic acid 98%

Sigma-Aldrich

194131

Oxalic acid

Oxalic acid purified grade, 99.999% trace metals basis

Sigma-Aldrich

658537

Oxalic acid

Oxalic acid puriss. p.a., anhydrous, &#8805;99.0% (RT)

Sigma-Aldrich

75688

Oxalic acid

application(s)

cleaning products
cosmetics
food and beverages
personal care

application(s)

-

application(s)

-

application(s)

-

format

neat

format

-

format

-

format

-

vapor density

4.4 (vs air)

vapor density

4.4 (vs air)

vapor density

4.4 (vs air)

vapor density

4.4 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)

vapor pressure

<0.01 mmHg ( 20 °C)

vapor pressure

<0.01 mmHg ( 20 °C)

vapor pressure

<0.01 mmHg ( 20 °C)

assay

98.0-102.0% (redox titration)

assay

98%

assay

99.999% trace metals basis

assay

≥99.0% (RT)

General description

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here

Oxalic acid is a low-molecular-weight organic acid that occurs naturally in several plants, fruits, vegetables, food and beverage products.

Application

Oxalic acid may be used as an analytical standard for the determination of the analyte in juice samples, honey, food samples fruits, vegetables, alcoholic and non-alcoholic beverages and cosmetic formulations by various chromatography techniques.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1


Certificates of Analysis (COA)

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Separation and determination of organic acids and phenolic compounds in fruit juices and drinks by high-performance liquid chromatography
Shui G and Leong LP
Journal of Chromatography A, 977(1), 89-96 (2002)
Gas chromatographic determination of oxalic acid in foods
Ohkawa H
Journal of the Association of Official Analytical Chemists, 68(1), 108-111 (1985)
Simultaneous detection of dehydroascorbic, ascorbic, and some organic acids in fruits and vegetables by HPLC
Nisperos-Carriedo MO, et al.
Journal of Agricultural and Food Chemistry, 40(7), 1127-1130 (1992)
HPLC organic acid analysis in different citrus juices under reversed phase conditions
Violeta N, et al.
Notulae Botanicae Horti Agrobotanici Cluj-Napoca , 38(1), 44-48 (2010)
HPLC determination of low molecular weight organic acids in honey with series-coupled ion-exclusion columns
Nozal MJ, et al.
Journal of Liquid Chromatography and Related Technologies, 26(8), 1231-1253 (2003)

Protocols

Separation of Fumaric acid; Oxalic acid; Citric acid

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