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Substance Name: Oxalic acid
RN: 144-62-7
UNII: 9E7R5L6H31
InChIKey: MUBZPKHOEPUJKR-UHFFFAOYSA-N
Note
- A strong dicarboxylic acid occurring in many plants and vegetables. It is produced in the body by metabolism of glyoxylic acid or ascorbic acid. It is not metabolized but excreted in the urine. It is used as an analytical reagent and general reducing agent.
Molecular Formula
- C2-H2-O4
Molecular Weight
- 90.0338
- All
- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Human Data
- Indicators and Reagents
- Reducing Agents
- Reproductive Effect
- Skin / Eye Irritant
Superlist Classification Codes
- TWA 1 mg/m3
- TWA 1 mg/m3; STEL 2 mg/m3
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Names and Synonyms
Name of Substance
- Oxalic acid
MeSH Heading
- Oxalic acid
Synonyms
- 4-02-00-01819 (Beilstein Handbook Reference)
- Acide oxalique
- Acide oxalique [French]
- Acido ossalico
- Acido ossalico [Italian]
- Acidum oxalicum
- AI3-26463
- Aktisal
- Aquisal
- BRN 0385686
- Caswell No. 625
- CCRIS 1454
- EC 205-634-3
- EINECS 205-634-3
- EPA Pesticide Chemical Code 009601
- Ethanedioic acid
- HSDB 1100
- Kyselina stavelova
- Kyselina stavelova [Czech]
- NCI-C55209
- NSC 62774
- Oxaalzuur
- Oxaalzuur [Dutch]
- Oxalate
- Oxalic acid
- Oxalsaeure
- Oxalsaeure [German]
- Oxiric acid
- UNII-9E7R5L6H31
Systematic Names
- Ethanedioic acid
- Oxalic acid
Superlist Names
- Ethanedioic acid
- Oxalic acid
Registry Numbers
CAS Registry Number
- 144-62-7
FDA UNII
- 9E7R5L6H31
Other Registry Numbers
- 216451-38-6
- 2469072-60-2
- 63504-28-9
- 97993-78-7
System Generated Number
- 0000144627
Structure Descriptors
InChI
InChI=1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)InChIKey
MUBZPKHOEPUJKR-UHFFFAOYSA-NSmiles
OC(=O)Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
cat | LDLo | subcutaneous | 112mg/kg (112mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1377, 1935. | |
dog | LDLo | oral | 1gm/kg (1000mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1377, 1935. | |
frog | LDLo | subcutaneous | 757mg/kg (757mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1377, 1935. | |
mouse | LD50 | intraperitoneal | 270mg/kg (270mg/kg) | Toxicology. Vol. 62, Pg. 203, 1990. | |
rat | LD50 | oral | 7500mg/kg (7500mg/kg) | Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977. | |
rat | LD50 | unreported | 1400mg/kg (1400mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 50(3), Pg. 57, 1985. | |
women | LDLo | oral | 600mg/kg (600mg/kg) | GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" GASTROINTESTINAL: CHANGE IN STRUCTURE OR FUNCTION OF ESOPHAGUS GASTROINTESTINAL: OTHER CHANGES | Yakkyoku. Pharmacy. Vol. 31, Pg. 959, 1980. |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Melting Point | 189.5 dec | deg C | EXP | |
log P (octanol-water) | -2.220 | (none) | EST | |
Water Solubility | 2.20E+05 | mg/L | 25 | EXP |
Vapor Pressure | 2.34E-04 | mm Hg | 25 | EXP |
Henry's Law Constant | 1.43E-10 | atm-m3/mole | 25 | EXP |
Atmospheric OH Rate Constant | 7.20E-14 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.