sodium oxoarsinite

• ChemBase ID: 111106
• Molecular Formular: AsHNaO2
• Molecular Mass: 130.91811
• Monoisotopic Mass: 130.90901955
• SMILES: [Na+].[O-][AsH]=O
• Canonical SMILES: [O-][AsH]=O.[Na+]
• InChI: InChI=1S/AsHO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1
• InChIKey: PTLRDCMBXHILCL-UHFFFAOYSA-M

NAMES AND DATABASE IDS

Names

• IUPAC name: sodium oxoarsinite
• IUPAC Traditional name: sodium dihydridodioxidoarsenate(1-); potassium dihydridodioxidoarsenate(1-)
• Synonyms: Sodium arsenite solution; Arsenenous acid sodium salt; Arsenic sodium oxide; Arsenite sodium; Sodium arsenic oxide; sodium arsenite; Sodium (meta)arsenite; SODIUM ARSENITE TECHNICAL GRADE; Sodium (meta)arsenite; Sodium dioxoarsenate; Sodium metaarsenite; Sodium metaarsenite; Sodium (meta)arsenite solution; Sodium (meta)arsenite concentrate; 亚砷酸钠 溶液; 二氧砷酸钠; 亚砷酸钠; 亚砷酸钠; 偏亚砷酸钠

Database IDs

• CAS Number: 7784-46-5
• EC Number: 232-070-5
• MDL Number: MFCD00003472
• PubChem SID: 24863823; 24861722; 162097015; 24899744; 24886160
• PubChem CID: 443495

CALCULATED PROPERTIES

• Acid pKa: 2.0798514
• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): -2.3722758
• LogD (pH = 7.4): -2.4010208
• Log P: -0.1376
• Molar Refractivity: 2.8858 cm^3
• Polarizability: 5.416791 Å^3
• Polar Surface Area: 40.13 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: H2O: soluble10%, turbid
• Density: 1.87 g/mL at 25 °C(lit.)

Safety Information

• RTECS: CG3675000
• European Hazard Symbols: Nature polluting (N); Toxic (T)
• UN Number: 1686; 2027
• German water hazard class: 2; 3
• Hazard Class: 6.1
• Packing Group: 2; 3
• Risk Statements: 23/25-34-50/53; 23/25-51/53; 45-23/24/25-50/53; R:23/25
• Safety Statements: 26-36/37/39-45-61; 45-61; 53-20/21-28-36/37-45-60-61; S:28-45-20/21
• GHS Pictograms: GHS05; GHS06; GHS08; GHS09
• GHS Signal Word: Danger
• GHS Hazard statements: H300 + H310-H331-H350-H410; H301 + H331-H411; H302-H314-H331-H410
• GHS Precautionary statements: P201-P261-P264-P273-P280-P301 + P310; P261-P273-P280-P305 + P351 + P338-P310-P501; P261-P273-P301 + P310-P311
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1686 6.1/PG 2; UN 1686 6.1/PG 3; UN 2027 6.1/PG 2

Product Information

• Purity: ≥90%; ≥99.0% (RT); 98%
• Concentration: 0.05 M NaAsO2
• Grade: purum p.a.; TECHNICAL
• Packaging: pkg of 0.05 mol NaAsO2 (4.946 g As2O3 + 1.3 g NaOH)
• Cation Traces: Ca: ≤50 mg/kg; Cd: ≤50 mg/kg; Co: ≤50 mg/kg; Cu: ≤50 mg/kg; Fe: ≤50 mg/kg; K: ≤100 mg/kg; Ni: ≤50 mg/kg; Pb: ≤50 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): ≤500 mg/kg; sulfate (SO42-): ≤50 mg/kg
• Shelf Life: (limited shelf life, expiry date on the label)
• Quality: volumetric
• Factor: 1.000 ±0.001
• Linear Formula: NaAsO2

DETAILS

Sigma Aldrich - S7400

包装
100 g in glass bottle

Sigma Aldrich - 38150

General description
Visit our Titration Center to learn more.
concentration after dilution to 1L: 0.05mol/L; amount of substance 0.05mol (NaAsO2: 4.946 g As2O3 + 1.3 g NaOH)
Packaging
glass ampoule

Sigma Aldrich - 35000

General description
Visit our Titration Center to learn more.