disodium carbonate

• ChemBase ID: 105587
• Molecular Formular: CNa2O3
• Molecular Mass: 105.98844
• Monoisotopic Mass: 105.96428242
• SMILES: [Na+].[Na+].[O-]C(=O)[O-]
• Canonical SMILES: [O-]C(=O)[O-].[Na+].[Na+]
• InChI: InChI=1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• InChIKey: CDBYLPFSWZWCQE-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: disodium carbonate
• IUPAC Traditional name: disodium carbonate; dipotassium CO3
• Synonyms: Sodium carbonate, 0.05N Standardized Solution; Sodium carbonate, ACS primary standard; Sodium carbonate, Acculute Standard Volumetric Solution, Final Concentration 0.1N; Silver stain kit component; Sodium carbonate solution; Sodium carbonate concentrate; Sodium carbonate solution; Washing soda; Soda crystals; Sodium carbonate; Carbonic Acid, disodium salt; Sodium ash; Soda ash; SODIUM CARBONATE ANHYDROUS ACS REAGENT GRADE; Calcined soda; Carbonic acid disodium salt; Sodium carbonate; Sodium carbonate, crude; Soda ash; Sodium carbonate, anhydrous, ACS; Sodium carbonate, anhydrous, Puratronic®; 碳酸钠标准溶液, 0.05N标准溶液; 碳酸钠, ACS基准物; 碳酸钠, 可稀释标准标定液, 最终浓度 0.1N; 银染试剂盒组分; 碳酸钠 溶液; 纯碱; 碳酸钠; 碳酸钠（粗制）; 纯碱; 碳酸钠, 无水, ACS; 无水碳酸钠, Puratronic®

Database IDs

• CAS Number: 497-19-8
• EC Number: 207-838-8
• MDL Number: MFCD00003494
• Beilstein Number: 4154566
• Merck Index: 148596
• PubChem SID: 24886174; 24899511; 162092533; 24860733; 24853390; 24868638; 24886173; 24899762; 24853323; 24853386; 24886180; 24848136; 24863832; 24879963; 24852265; 24886175; 24858951
• PubChem CID: 10340
• CHEBI ID: 29377
• CHEMBL: 186314
• Chemspider ID: 9916
• Unique Ingredient Identifier: 45P3261C7T
• Wikipedia Title: Sodium_carbonate

CALCULATED PROPERTIES

• LogD (pH = 5.5): 0.142811
• LogD (pH = 7.4): -1.1138874
• Log P: 0.25005138
• Molar Refractivity: 31.1724 cm^3
• Polarizability: 3.6386902 Å^3
• Polar Surface Area: 63.19 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true
• Acid pKa: 6.0525417
• H Acceptors: 3
• H Donor: 0

PROPERTIES

Physical Property

• Solubility: 71 g/L (0 °C); 215 g/L (20 °C); 455 g/L (100 °C) in water; H2O: soluble1 M at 20 °C, clear, colorless; H2O: soluble1 M, clear, colorless; insoluble in ethanol, acetone; Soluble in water. Insoluble in alcohol
• Apperance: granular; Granular; Liquid; powder; Powder; White solid, hygroscopic
• Melting Point: 851 °C (with decomposition); 851 °C (anhydrous) ; 100 °C (decomp, monohydrate) ; 33.5 °C (decomp, decahydrate) ; 32 °C (heptahydrate); 851 °C(lit.)
• Boiling Point: 1633 °C (anhydrous); Decomposes. Does not form vapor.
• Flash Point: Non-flammable
• Density: 2.53; 2.54 g/cm^3 (anhydrous) ; 2.25 g/cm^3 (monohydrate) ; 1.51 g/cm^3 (heptahydrate) ; 1.46 g/cm^3 (decahydrate); ca. 2.4 g/cm^3 at 20 °C
• Refractive Index: 1.485 (anhydrous) ; 1.420 (monohydrate) ; 1.405 (decahydrate); 1.535
• Vapor Pressure: ca. 0 at 20 °C
• Absorption Wavelength: λ: 260 nm Amax: 0.01; λ: 280 nm Amax: 0.01
• pKa: (1) 6.37, (2) 10.25 (carbonic acid)
• pKb: 4.67
• Odor: Odorless
• Std enthalpy of formation: -1131 kJ·mol^-1
• Std molar entropy: 136 J·mol^-1·K^-1
• pH: ~12.0 (25 °C, 1 M in H2O)

Safety Information

• Storage Condition: Room Temperature (15-30°C), Desiccate
• Storage Warning: Hygroscopic
• RTECS: VZ4050000
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 1; nwg
• Risk Statements: 36; R:36; R36
• Safety Statements: 22-26; 26; S:22-26; S2, S22, S26
• TSCA Listed: 是
• EU Index: 011-005-00-2
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• NFPA704:
  

  0

  1

  1
• LD50: 4090 mg/kg (rat, oral)
• GHS Hazard statements: H303; H319; H319-H303
• GHS Precautionary statements: P280-P264-P305+P351+P338-P312-P337+P313; P280-P264-P305+P351+P338-P337+P313; P305 + P351 + P338; P312
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves; Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Gloves

Product Information

• Purity: (99% as sodium carbonate or 58% as sodium oxide); ≥98.0% (T); ≥99.0%; ≥99.0% (T); ≥99.5%; ≥99.5% (calc. based on dry substance, T); ≥99.5% (calc. on dry substance, T); ≥99.8% (calc. to the dried substance); ≥99.9999% (metals basis); 98%; 99.5% min; 99.5-100.5% (calc. to the dried substance); 99.8-100.0%; 99.95-100.05% (dried basis); 99.95-100.05% dry basis; 99.995% trace metals basis; 99.997% (metals basis); 99.999% trace metals basis
• Concentration: 0.05 M; 0.05 M Na2CO3 (0.1N); 0.1 M Na2CO3 in H2O; 0.5 M Na2CO3 (1N); 1/10 N
• Grade: ACS; ACS reagent; ACS reagent (primary standard); ACS reagent, reag. ISO, reag. Ph. Eur.; anhydrous; for trace analysis; JIS special grade; puriss.; puriss. p.a.; purum; purum p.a.; REAGENT; ReagentPlus®; SAJ first grade; technical grade; TraceSELECT®
• Packaging: pkg of 0.05 mol (5.299 g Na2CO3)
• Suitability: complies for appearance of solution
• Impurities: ≤0.0005% heavy metals (as Pb); ≤0.001% heavy metals (as Pb); ≤0.001% total nitrogen (N); ≤0.003% total S (as SO4); ≤0.003% total sulfur (as SO4); ≤0.005% silica; ≤0.005% total sulfur (as SO4); ≤0.01% in water insoluble matters; ≤0.01% insolubles; ≤0.02% Phosphorus (P); ≤0.1% Insoluble matter; ≤10 mg/kg total nitrogen (N); alkali hydroxides and bicarbonates, complies; insoluble matter, passes filter test; organic volatile impurities, complies (GC); residual solvents, complies
• Cation Traces: Ag: ≤5 mg/kg; Al: ≤0.001%; Al: ≤0.05 mg/kg; Al: ≤10 mg/kg; Al: ≤5 mg/kg; As: ≤0.01 mg/kg; As: ≤0.1 mg/kg; As: ≤0.5 mg/kg; As: ≤2 mg/kg; Ba: ≤0.2 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤0.02%; Ca: ≤0.03%; Ca: ≤0.1 mg/kg; Ca: ≤200 mg/kg; Ca: ≤300 mg/kg; Ca: ≤50 mg/kg; Cd: ≤0.005 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Ce: ≤0.01 mg/kg; Co: ≤0.005 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤0.01 mg/kg; Cr: ≤5 mg/kg; Cu: ≤0.0005%; Cu: ≤0.005 mg/kg; Cu: ≤20 mg/kg; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Eu: >0.01 mg/kg; Fe: ≤0.001%; Fe: ≤0.05 mg/kg; Fe: ≤10 mg/kg; Fe: ≤5 mg/kg; Fe: ≤5 ppm; Fe: ≤50 mg/kg; heavy metals (as Pb): ≤5 ppm; Hg: ≤0.005 mg/kg; Hg: ≤1 mg/kg; K: ≤0.005%; K: ≤1 mg/kg; K: ≤100 mg/kg; K: ≤50 mg/kg; La: ≤0.01 mg/kg; Li: ≤0.5 mg/kg; Li: ≤5 mg/kg; Mg: ≤0.004%; Mg: ≤0.005%; Mg: ≤0.1 mg/kg; Mg: ≤20 mg/kg; Mg: ≤50 mg/kg; Mn: ≤0.01 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; NH4+: ≤0.05%; Ni: ≤0.01 mg/kg; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: ≤0.001%; Pb: ≤0.01 mg/kg; Pb: ≤4 mg/kg; Pb: ≤5 mg/kg; Pb: ≤50 mg/kg; Sc: ≤0.01 mg/kg; Sm: ≤0.01 mg/kg; Sr: ≤0.1 mg/kg; Sr: ≤20 mg/kg; Sr: ≤5 mg/kg; Tl: ≤0.01 mg/kg; Y: ≤0.01 mg/kg; Yb: ≤0.01 mg/kg; Zn: ≤0.0005%; Zn: ≤0.01 mg/kg; Zn: ≤20 mg/kg; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): ≤0.001%; chloride (Cl-): ≤0.05%; chloride (Cl-): ≤10 mg/kg; chloride (Cl-): ≤100 mg/kg; chloride (Cl-): ≤50 mg/kg; phosphate (PO43-): ≤0.001%; phosphate (PO43-): ≤10 mg/kg; phosphate (PO43-): ≤5 mg/kg; phosphate, silicate (as SiO2): ≤50 mg/kg; silicate (as SiO2): ≤20 mg/kg; silicate (as SiO2): ≤5 mg/kg; sulfate (SO42-): ≤0.02%; sulfate (SO42-): ≤10 mg/kg; sulfate (SO42-): ≤100 mg/kg; sulfate (SO42-): ≤50 mg/kg; sulfur compounds (as SO42-): ≤0.003%
• Shelf Life: (limited shelf life, expiry date on the label)
• Loss on Drying: ≤0.5% loss on drying, 300 °C; ≤1.0% loss on drying, 200 °C; ≤1.0% loss on heating; ≤1.0% loss on heating, 285 °C
• Quality Level: PREMIUM
• Quality: certified by BAM, according to ISO 17025; meets analytical specification of Ph. Eur., BP, NF, FCC, E500; volumetric
• Factor: 1.000 ±0.002
• λ: 1 M in H2O
• Product Line: BioUltra
• Linear Formula: Na2CO3

DETAILS

MP Biomedicals - 02191437

Anhydrous ACS Reagent Grade Insoluble Matter: =0.01% White, crystalline powder

Sigma Aldrich - 71345

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Other Notes
Salt component in the fractionation of multivalent nucleotides by inorganic salt co-precipitation1

Sigma Aldrich - 451614

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Packaging
5, 25, 50 g in glass bottle

Sigma Aldrich - 204420

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Packaging
5, 20 g in poly bottle

Sigma Aldrich - 71347

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 38170

General description
Visit our Titration Center to learn more.
concentration after dilution to 1L: 0.05mol/L (0.1N); amount of substance 0.05mol (5.299 g Na2CO3)

Sigma Aldrich - 34277

General description
Visit our Titration Center to learn more.
Packaging
The suffix -VP or -VOLPAC in the product number indicates packaging in 5 or 10 L VOLPAC containers.

Sigma Aldrich - 13418

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.

Sigma Aldrich - 56169

General description
This certified eluent concentrate for ion chromatography is traceable by potentiometric titration to NIST Standard Reference Material. It is certified in accordance with ISO Guide 31. All details about exact content, uncertainty, traceability and expiry date are described in the certificate.Download at: http://www.sigma-aldrich.com.
Preparation Note
Prepared with sodium carbonate and high purity water (18.2 MΩ, 0.2 μm filtered)

Sigma Aldrich - 31432

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.

Sigma Aldrich - 28-2170

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.

Sigma Aldrich - 28-2190

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Suitability
pH standard solution

Sigma Aldrich - 222321

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Packaging
1, 2.5, 4×2.5 kg in poly bottle
12 kg packaged in open-head poly drums; 500 g, 1 kg, 2.5 kg packaged in poly bottles
12 kg in poly drum
500, 6×500 g in poly bottle

Sigma Aldrich - S2127

Biochem/physiol Actions
缓冲剂组分，可用于除去外周膜蛋白。
包装
1 kg in poly bottle
5 kg in poly drum
500 g in poly bottle
法律信息
ReagentPlus 注册商标 Sigma-Aldrich Co. LLC

Sigma Aldrich - 85195

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.

Sigma Aldrich - 330361

Packaging
1 kg in poly bottle
5 kg in poly drum

Sigma Aldrich - 71363

Analysis Note
Exact concentration, expiry date, traceability and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.
Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.

Sigma Aldrich - 71351

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.

Sigma Aldrich - 223484

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Packaging
500, 6×500 g in poly bottle

Sigma Aldrich - S7795

Biochem/physiol Actions
缓冲剂组分，可用于除去外周膜蛋白。

Sigma Aldrich - 223530

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Packaging
1, 2.5 kg in poly bottle
Packaged in poly bottles
12 kg in poly drum
500 g in poly bottle

Sigma Aldrich - 71352

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.

Sigma Aldrich - 71350

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Other Notes
Reagent for the decomposition of silicates by fusion1,2

Sigma Aldrich - 28-2180

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.

Sigma Aldrich - 28-2160

Biochem/physiol Actions
Buffer component, may be used for the removal of peripheral membrane proteins.
Suitability
standard