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| CAS No.: | 15630-89-4 |
|---|---|
| Name: | Sodium percarbonate |
| Article Data: | 41 |
| Molecular Structure: | |
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|
|
| Formula: | 2Na2CO3.3(H2O2) |
| Molecular Weight: | 157.011 |
| Synonyms: | SPC-Q 1;SPC-Q 4;SPC-Q 2;Oxyper;ECOX-C;FB Sodium Percarbonate;Perdox;Carbonic acid disodium salt,compounds,compd. with hydrogen peroxide (2:3);SPC-Q 3;Natriumpercarbonat, nicht gecoated;disodium carbonate, compound with hydrogen peroxide (2:3); |
| EINECS: | 239-707-6 |
| Density: | 0.90 g/cm3 (20oC) |
| Boiling Point: | 333.6 °C at 760 mmHg |
| Flash Point: | 169.8 °C |
| Solubility: | Soluble in water. |
| Appearance: | Free flowing white granular powder |
| Hazard Symbols: |
 O, Xn
|
| Risk Codes: | 8-22-41-36/38 |
| Safety: | 17-26-37/39 |
| Transport Information: | UN 1479 |
| PSA: | 247.76000 |
| LogP: | -4.84180 |
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| Conditions | Yield |
|---|---|
| With florisil In water addn. of small amounts of MgSiO3 and water glass to 500kg H2O2 (dild. to 20% soln.), addn. of 1051kg Na2CO3 at 18°C, cooling to 5°C, cooling to -4°C after addn. of 500kg NaCl;; centrifugation, drying, reuse of mother-liquor;; | 85.5% |
| In water addn. of Na2CO3 to 20% aq. H2O2 (wt.-ratio=2.5-3.5) at 20°C;; | 85% |
| In ethanol; water with anhyd. sodium carbonate, stirring at 0°C; ppt. filtered off, washed with ethanol and Et2O, dried in vac., elem. anal.; |
| Conditions | Yield |
|---|---|
| In water react. of NaCl-containing H2O2-soln. (containing crystals of Na2CO3*1.5H2O2) with calcd. amounts of Na2O2 and carbonate at 6-10°C;; isolation by addn. of NaCl to a part of soln., reuse of rest of soln.;; |
| Conditions | Yield |
|---|---|
| In water various conditions various product ratio; salted out by ethanol or isothermally evapd., elem. anal.; |
| Conditions | Yield |
|---|---|
| In chloroform; water react. of NaHCO3 in CHCl3 with aq. Na2O2-soln. at 25°C;; | |
| In tetrachloromethane; water react. of NaHCO3 in CCl4 with aq. Na2O2-soln. at 25°C;; |
| Conditions | Yield |
|---|---|
| In water react. of NaCl-containing H2O2-soln. with calcd. amounts of Na2O2 and carbonate at 6-10°C;; isolation by addn. of NaCl to a part of soln., reuse of rest of soln.;; |
| Conditions | Yield |
|---|---|
| With diphenyl guanidine; magnesium sulfate In water addn. of NaHCO3 to cooled H2O2-soln., stabilization by Na-silicate, MgSO4, diphenyl guanidine;; |
- 15630-89-4
sodium percarbonate
| Conditions | Yield |
|---|---|
| heating at 105°C, in vac. at 8-10 torr; | |
| heating at 105°C, in vac. at 8-10 torr; |
| Conditions | Yield |
|---|---|
| In water 30-40% H2O2, ambient temp.;; | |
| In water cyclic process: addn. of calcd. amounts Na2CO3*10H2O and H2O2 to mother-liquor containing NaCl, Na2CO3 and Na2CO3*1.5H2O2 crystals;; pptn. by addn. of excess Na2CO3 or NaCl;; | |
| In water |
| Conditions | Yield |
|---|---|
| In neat (no solvent) spraying an aq. H2O2-soln. (1 mol H2O, 0.5mol H2O2 per mol Na2O2) on fine-grained Na2O2 at 0-10°C while stirring, treatment of product with CO2;; | |
| In neat (no solvent) spraying an aq. H2O2-soln. (1 mol H2O, 0.5mol H2O2 per mol Na2O2) on fine-grained Na2O2 at 0-10°C while stirring, treatment of product with CO2;; |
| Conditions | Yield |
|---|---|
| In water introduction of CO2 into Na2O2 in H2O at -5 to 8°C, formation of Na2CO3*H2O2 on warming and at pH=8.5-9.5;; |
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Consensus Reports
Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.
Standards and Recommendations
Reported in EPA TSCA Inventory.
Specification
Sodium percarbonate is a chemical, an adduct of sodium carbonate and hydrogen peroxide (a perhydrate), with formula 2Na2CO3 · 3H2O2. It is a colorless, crystalline, hygroscopic and water-soluble solid. It is used in some eco-friendly cleaning products and as a laboratory source of anhydrous hydrogen peroxide.
Physical properties about Sodium percarbonate are: (1)ACD/LogP: -0.809; (2)ACD/LogD (pH 5.5): -1.98; (3)ACD/LogD (pH 7.4): -3.77; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 1.00; (7)ACD/KOC (pH 7.4): 1.00; (8)#H bond acceptors: 3; (9)#H bond donors: 2; (10)Flash Point:169.8 °C; (11)Enthalpy of Vaporization: 63.37 kJ/moc; (12)Boiling Point: 333.6 °C at 760 mmHg; (13)Vapour Pressure: 2.58E-05 mmHg at 25°C
Preparation of Sodium percarbonate: Sodium percarbonate(CAS NO.15630-89-4) is easily decomposed by water, so it is produced commercially by reacting powdered anhydrous Na2CO3 with H2O2 dissolved in carbon tetrachloride CCl4. It can be obtained in the laboratory by reacting the two substances in aqueous solution with proper control of the pH or concentrations.
Uses of Sodium percarbonate: As an oxidizing agent, sodium percarbonate is an ingredient in a number of home and laundry cleaning products, including bleach products such as OxiClean, Tide laundry detergent, and Vanish. It contains no phosphorus or nitrogen. Dissolved in water, it yields a mixture of hydrogen peroxide (which eventually decomposes to water and oxygen) and sodium carbonate ("soda ash").
2Na2CO3.3H2O2 → 2Na2CO3 + 3H2O2
Sodium percarbonate can be used in organic synthesis as a convenient source of anhydrous H2O2, in particular in solvents that cannot dissolve the carbonate but can leach the H2O2 out of it.
When you are using this chemical, please be cautious about it as the following:
1. Keep away from combustible material;
2. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
3. Wear eye/face protection;
4. Wear suitable gloves and eye/face protection;
You can still convert the following datas into molecular structure:
(1)InChI=1S/2CH2O3.4Na.3H2O2/c2*2-1(3)4;;;;;3*1-2/h2*(H2,2,3,4);;;;;3*1-2H/q;;4*+1;;;/p-4;
(2)InChIKey=MSLRPWGRFCKNIZ-UHFFFAOYSA-J;
(3)Smiles[Na+].[Na+].C([O-])(=O)[O-].OO.[Na+].[Na+].C([O-])(=O)[O-].OO.OO;
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 2200mg/kg (2200mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Toksikologicheskii Vestnik. Vol. (3), Pg. 46, 1994. |
| rat | LD50 | intraperitoneal | 542mg/kg (542mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Toksikologicheskii Vestnik. Vol. (3), Pg. 46, 1994. |
| rat | LD50 | oral | 2400mg/kg (2400mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Toksikologicheskii Vestnik. Vol. (3), Pg. 46, 1994. |