sodium dihydrogen phosphate

• ChemBase ID: 105845
• Molecular Formular: H2NaO4P
• Molecular Mass: 119.977011
• Monoisotopic Mass: 119.95883946
• SMILES: [Na+].OP(=O)(O)[O-]
• Canonical SMILES: [O-]P(=O)(O)O.[Na+]
• InChI: InChI=1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChIKey: AJPJDKMHJJGVTQ-UHFFFAOYSA-M

NAMES AND DATABASE IDS

Names

• IUPAC name: sodium dihydrogen phosphate
• IUPAC Traditional name: potassium dihydrogenphosphate ion; sodium dihydrogen phosphate
• Synonyms: Sodium phosphate monobasic solution; SODIUM PHOSPHATE MONOBASIC; Sodium dihydrogen phosphate; Monosodium phosphate; SODIUM PHOSPHATE MONOBASIC ANHYDROUS; Monosodium dihydrogen orthophosphate; Sodium phosphate monobasic; Monosodium phosphate; Monosodium orthophosphate; Sodium phosphate, monobasic; Sodium dihydrogen phosphate; 磷酸二氢钠 溶液; 磷酸一钠; 磷酸二氢钠; 磷酸钠 一元; 磷酸二氢钠

Database IDs

• CAS Number: 7558-80-7
• EC Number: 231-449-2; 231-791-2
• MDL Number: MFCD00003527
• Beilstein Number: 3903772
• Merck Index: 148660
• PubChem SID: 24845711; 24899630; 162086861; 24899713; 24886200; 24850744; 24899546; 24899527; 24899786; 24899443; 24853758; 24886642
• PubChem CID: 23672064; 24204
• CHEBI ID: 37585
• CHEMBL: 1368
• Chemspider ID: 22626
• Wikipedia Title: Monosodium_phosphate

CALCULATED PROPERTIES

• Acid pKa: 1.7961261
• H Acceptors: 4
• H Donor: 2
• LogD (pH = 5.5): -3.3916447
• LogD (pH = 7.4): -3.9718332
• Log P: -1.0201038
• Molar Refractivity: 13.5302 cm^3
• Polarizability: 5.806723 Å^3
• Polar Surface Area: 80.59 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 59.9 g/100 mL (0°C) in water; Freely soluble in water. Insoluble in alcohol; H2O: soluble0.1 g/mL at 25 °C, clear, colorless; H2O: soluble1 M, clear, colorless; H2O: soluble5 M, clear, colorless
• Apperance: powder; Powder; powder and chunks; White powder or crystals
• Melting Point: ca. 650 °C with decomposition
• Flash Point: Non-flammable
• Density: 1.40 g/mL at 20 °C; ca. .9 - 1.3 g/cm^3 at 20 °C (bulk density)
• Vapor Pressure: Zero
• Absorption Wavelength: A1M/260, H2O ≤0.2; A1M/280, H2O ≤0.2; λ: 210 nm Amax: 0.1; λ: 260 nm Amax: ≤0.025; λ: 260 nm Amax: 0.06; λ: 280 nm Amax: ≤0.02; λ: 280 nm Amax: 0.04; λ: 320 nm Amax: 0.02; λ: 500 nm Amax: 0.02
• pKa: (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• pH: 3.0-4.5 (25 °C, 5 M in H2O); 4.0-4.5 (20 °C, 10% in H2O); 4.0-4.5 (25 °C, 50 mg/mL in H2O); 4.0-6.0 (20 °C, 1 M in H2O); 4.2-4.5 (20 °C, 5%)

Safety Information

• Storage Condition: Room Temperature (15-30°C), Desiccate
• Storage Warning: Hygroscopic
• RTECS: WA1900000
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 1
• Risk Statements: 36/37/38; R:36/37/38
• Safety Statements: 26-37-60; S:20-25-26-37/39
• TSCA Listed: 是
• EU Index: Not listed
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• NFPA704:
  

  0

  1

  0
• GHS Hazard statements: H315-H319-H335; H319
• GHS Precautionary statements: P261-P305+P351+P338-P302+P352-P321-P405-P501A; P305 + P351 + P338
• Personal Protective Equipment: Eyeshields, Gloves; Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: ≥98%; ≥98%; ≥99.0%; ≥99.0% (T); ≥99.0% (titration); ≥99.999% (metals basis); 96%; 98.0-101.0%; 98-100.5% (calc. to the dried substance); 99%; 99.0-101.0%; 99.999% trace metals basis
• Concentration: 5 M in H2O
• Grade: anhydrous; Biotechnology Performance Certified; for HPLC; for molecular biology; for trace analysis; puriss.; purum p.a.; ReagentPlus®; SAJ first grade; SAJ special grade; TraceSELECT®
• Suitability: corresponds for filter test; corresponds to standard for RP gradient test; insect cell culture tested; meets USP testing specifications; suitable for cell culture; suitable for insect cell culture; suitable for plant cell culture
• Description: anhydrous
• Impurities: ≤0.001% heavy metals (as Pb); ≤0.001% total nitrogen (N); ≤0.1% Insoluble matter; ≤1% water; ≤10 mg/kg total nitrogen (N); Bioburden, tested; endotoxin, tested; insoluble matter, passes filter test
• Cation Traces: Al: ≤0.005%; Al: ≤1 mg/kg; As: ≤0.01 mg/kg; As: ≤0.1 mg/kg; As: ≤2 mg/kg; Ba: ≤1 mg/kg; Bi: ≤1 mg/kg; Ca: ≤0.01%; Ca: ≤0.5 mg/kg; Ca: ≤200 mg/kg; Ca: ≤5 mg/kg; Cd: ≤0.01 mg/kg; Cd: ≤1 mg/kg; Cd: ≤50 mg/kg; Ce: ≤0.01 mg/kg; Co: ≤0.01 mg/kg; Co: ≤1 mg/kg; Co: ≤50 mg/kg; Cr: ≤1 mg/kg; Cs: ≤5 mg/kg; Cu: ≤0.0005%; Cu: ≤0.01 mg/kg; Cu: ≤1 mg/kg; Cu: ≤50 mg/kg; Eu: ≤0.01 mg/kg; Fe: ≤0.002%; Fe: ≤0.05 mg/kg; Fe: ≤1 mg/kg; Fe: ≤10 mg/kg; Fe: ≤30 ppm; Fe: ≤50 mg/kg; heavy metals (as Pb): ≤10 ppm; Hg: ≤0.005 mg/kg; K: ≤0.2%; K: ≤20 mg/kg; K: ≤300 mg/kg; K: ≤5 mg/kg; La: ≤0.01 mg/kg; Li: ≤1 mg/kg; Mg: ≤0.005%; Mg: ≤0.5 mg/kg; Mg: ≤1 mg/kg; Mn: ≤0.01 mg/kg; Mn: ≤1 mg/kg; Mo: ≤1 mg/kg; NH4+: ≤0.05%; Ni: ≤0.01 mg/kg; Ni: ≤1 mg/kg; Ni: ≤50 mg/kg; Pb: ≤0.001%; Pb: ≤0.01 mg/kg; Pb: ≤1 mg/kg; Pb: ≤50 mg/kg; Rb: ≤5 mg/kg; Sm: ≤0.01 mg/kg; Sr: ≤0.5 mg/kg; Sr: ≤1 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: ≤1 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): ≤0.05%; chloride (Cl-): ≤100 mg/kg; chloride (Cl-): ≤40 ppm; chloride (Cl-): ≤5 mg/kg; chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤0.05%; sulfate (SO42-): ≤30 mg/kg; sulfate (SO42-): ≤300 mg/kg; sulfate (SO42-): ≤500 mg/kg
• Foreign Activity: DNase, RNase and protease, none detected; DNase, RNase, Protease, none detected
• Loss on Drying: ≤1% loss on drying, 130 °C
• Quality Level: PREMIUM
• Quality: meets analytical specification of BP
• λ: 1 M in H2O; 10 % in H2O
• Product Line: BioUltra
• abs.: A1M/260, H2O ≤0.2; A1M/280, H2O ≤0.2
• Linear Formula: NaH2PO4
• Empirical Formula (Hill Notation): H2NaO4P

DETAILS

MP Biomedicals - 02195500

Anhydrous

MP Biomedicals - 02194850

Molecular Biology Reagent
Purity: >98%
Anhydrous

MP Biomedicals - 02194740

Cell Culture Reagent
Anhydrous

Sigma Aldrich - S5515

Application
用于植物培养基的 pH 值调节。

Sigma Aldrich - 71492

Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 331988

Packaging
2.5 kg in poly drum
500 g in poly bottle
Legal Information
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - S0751

包装
1 kg in poly bottle
100, 500 g in poly bottle
3 kg in poly drum
法律信息
ReagentPlus 注册商标 Sigma-Aldrich Co. LLC

Sigma Aldrich - S5011

Application
Use in insect cell culture to adjust pH.

Sigma Aldrich - 229903

Packaging
10, 100 g in poly bottle