41706
Oxalic acid
analytical standard
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About This Item
Linear Formula:
HO2CCO2H
CAS Number:
Molecular Weight:
90.03
Beilstein:
385686
EC Number:
MDL number:
UNSPSC Code:
12352106
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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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.
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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
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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)
Gas chromatographic determination of oxalic acid in foods
Ohkawa H
Journal of the Association of Official Analytical Chemists, 68(1), 108-111 (1985)
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)
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)
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