Sodium oxalate
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Sodium oxalate
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CAS No:
62-76-0
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Formula:
C2H2O4.2Na
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Chemical Name:
Sodium oxalate
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Synonyms:
Ethanedioic acid,sodium salt (1:2);Oxalic acid,disodium salt;Ethanedioic acid,disodium salt;Sodium oxalate;Disodium oxalate;CSN 1;Citroma;1620061-50-8
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CAS No:
Description
White, crystalline powder. Soluble in water; insolu- ble in alcohol.
Sodium oxalate is an odorless white solid. Sinks and mixes slowly with water. (USCG, 1999)
Sodium oxalate is an odorless white solid. Sinks and mixes slowly with water. (USCG, 1999)|Sodium oxalate is an organic sodium salt consisting of sodium and oxalate ions in a 2:1 ratio. It has a role as a poison and a reducing agent. It is an oxalate salt and an organic sodium salt. It contains an oxalate(2-).|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.
Characteristics
80.26000
-3.51380
Sodium oxalate is an odorless white solid. Sinks and mixes slowly with water. (USCG, 1999)
2.340 g/cm3
260 °C (decomp)
365.1ºC at 760 mmHg
188.8ºC
H2O: 37 g/L (20 ºC)
Store at RT.
LD50 orally in Rabbit: 375 mg/kg
Water soluble.
Salts, Basic
SODIUM OXALATE gives basic aqueous solutions. Neutralizes acids in exothermic reactions. Can serve as a reducing agent in reactions that generate carbon dioxide.
Safety Information
III
6.1(b)
UN 2449/1759
1
R21/22
S24/25
KI1750000
Xn
Stability Stable; hygroscopic. Incompatible with strong oxidizing agents.
P280
H302 + H312
|Warning|H302 (98.32%): Harmful if swallowed [Warning Acute toxicity, oral]|P264, P270, P280, P301+P312, P302+P352, P312, P322, P330, P363, and P501|Aggregated GHS information provided by 119 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|Danger|H302: Harmful if swallowed [Warning Acute toxicity, oral]|P260, P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P310, P312, P314, P321, P322, P330, P332+P313, P362, P363, P403+P233, P405, and P501|H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]|P264, P280, P305+P351+P338, and P337+P313
Dust mask; goggles or face shield; rubber gloves (USCG, 1999)
Drug Information
Materials that add an electron to an element or compound, that is, decrease the positiveness of its valence. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) (See all compounds classified as Reducing Agents.)
Inhalation or ingestion causes pain in throat, esophagus, and stomach; mucous membranes turn white; other symptoms include vomiting, severe purging, weak pulse, cardiovascular collapse, neuromuscular symptoms, and kidney damage. Contact with eyes or skin causes irritation. (USCG, 1999)
Act promptly] INHALATION: move to fresh air; if exposure to dust is severe, get medical attention. INGESTION: give dilute calcium lactate, lime water, or milk; administer gastric lavage; consult physician; watch for edema of the glottis and delayed constriction of esophagus. EYES or SKIN: flush with water. (USCG, 1999)
Acid, Oxalic
Sodium oxalate Use and Manufacturing
Standard for calibrating potassium permanganate solution. Metal precipitant. reducing agent. Complexing agent. Masking agent. Finishing agent for fabric and tanned leather.
Ethanedioic acid, sodium salt (1:2): ACTIVE
Cosmetics -> Chelating
Computed Properties
Molecular Weight:134.00
Hydrogen Bond Acceptor Count:4
Exact Mass:133.95919704
Monoisotopic Mass:133.95919704
Topological Polar Surface Area:80.3
Heavy Atom Count:8
Complexity:60.5
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes
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