phosphoric acid

• ChemBase ID: 105870
• Molecular Formular: H3O4P
• Molecular Mass: 97.995181
• Monoisotopic Mass: 97.97689521
• SMILES: OP(=O)(O)O
• Canonical SMILES: OP(=O)(O)O
• InChI: InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
• InChIKey: NBIIXXVUZAFLBC-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: phosphoric acid
• IUPAC Traditional name: phosphoric acid
• Synonyms: Orthophosphoric acid; Phosphoric acid; Phosphoric acid; Phosphoric acid solution; Buffer concentrate from phosphoric acid; Phosphate atomic spectroscopy standard concentrate 10.00 g PO43-; Phosphoric acid (ortho); Orthophosphoric acid; PHOSPHORIC ACID ACS REAGENT GRADE; Phosphoric acid solution; Phosphate atomic spectroscopy standard concentrate 1.00 g PO43-; 正磷酸; 磷酸; 磷酸 溶液; 磷酸缓冲浓缩液; 磷酸根标准浓缩液 10.00g PO43-; 正磷酸; 磷酸 溶液; 磷酸酯标准浓缩液 1.00g PO43-

Database IDs

• CAS Number: 7664-38-2
• EC Number: 231-791-2; 231-633-2
• MDL Number: MFCD00011340
• Beilstein Number: 1921286
• Merck Index: 147344
• PubChem SID: 24887479; 24887484; 24865106; 24867422; 24865147; 24861303; 24887488; 162087660; 24887490; 24898708; 24887486; 24882091; 24845458; 24865118; 24866454; 24845675; 24852868; 24887487; 24845459; 24870329; 24887480; 24865150; 24868686; 24858350; 24883672; 24845678
• PubChem CID: 1004
• CHEBI ID: 26078
• CHEMBL: 1187
• Chemspider ID: 979
• KEGG ID: D05467
• Unique Ingredient Identifier: E4GA8884NN
• Wikipedia Title: Phosphoric_acid

CALCULATED PROPERTIES

• Acid pKa: 1.7961261
• H Acceptors: 4
• H Donor: 3
• LogD (pH = 5.5): -3.3916447
• LogD (pH = 7.4): -3.9718332
• Log P: -1.0201038
• Molar Refractivity: 14.6519 cm^3
• Polarizability: 5.927813 Å^3
• Polar Surface Area: 77.76 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 5.48 g/mL in water; H2O: soluble; H2O: soluble1 M at 20 °C, clear, colorless
• Apperance: APHA: ≤10; crystalline; Liquid; white solid or colourless, viscous liquid (>42 °C)
• Melting Point: ~40 °C; ~40 °C(lit.); 19-21°C; 41-44 °C; 42.35 °C (anhydrous); 29.32 °C (hemihydrate); 42.4 °C (100% H3PO4)
• Boiling Point: 158 °C (decomp); 158 °C(lit.); 158 °C/760 mmHg; 213 °C (100% H3PO4)
• Flash Point: Non-flammable
• Density: 1.335 g/mL at 20 °C; 1.685 g/mL at 25 °C(lit.); 1.69 g/mL at 25 °C(lit.); 1.70; 1.700; 1.830 g/mL at 25 °C; 1.885 g/mL (liquid); 1.685 g/mL (85% solution); 2.030 g/mL (crystal at 25 °C); ca. 1.58 - 1.7 g/cm^3 at 20 °C
• Refractive Index: 1.4310; n20/D 1.433
• Vapor Pressure: 0.03 mmHg ( 20 °C); 2.2 mmHg ( 20 °C); 5 mmHg ( 25 °C); ca. .95 - .75 hPa at 20 °C (70% and 75% aqueous solutions of phosphoric acid respectively)
• Vapor Density: 3.4 (vs air)
• Absorption Wavelength: λ: 210 nm Amax: 0.04; λ: 210 nm Amax: 0.05; λ: 210 nm Amax: 0.07; λ: 220 nm Amax: 0.03; λ: 220 nm Amax: 0.04; λ: 220 nm Amax: 0.05; λ: 230 nm Amax: 0.02; λ: 230 nm Amax: 0.03; λ: 230 nm Amax: 0.04; λ: 240 nm Amax: 0.02; λ: 250 nm Amax: 0.04; λ: 260 nm Amax: ≤0.05; λ: 260 nm Amax: 0.01; λ: 280 nm Amax: ≤0.04; λ: 500 nm Amax: 0.01; λ: 500 nm Amax: 0.02
• pKa: 2.148, 7.198, 12.377
• Viscosity: 2.4–9.4 cP (85% aq. soln.); 147 cP (100%)
• Std enthalpy of formation: -1288 kJ·mol^-1
• Std molar entropy: 158 J·mol^-1·K^-1
• Conductivity: ~3 mS/cm at 20 °C

Safety Information

• Storage Condition: Room Temperature (15-30°C)
• RTECS: TB6300000
• European Hazard Symbols: Corrosive (C); Nature polluting (N); Toxic (T)
• UN Number: 1230; 1805; 3453; UN1805
• German water hazard class: 1; 3; nwg
• Hazard Class: 3; 8
• Packing Group: 2; 3; III
• Australian Hazchem: 2R
• Risk Statements: 23/24/25-36/38-39/23/24/25; 34; R:34-53; R34
• Safety Statements: 1/2-26-45; 26-36/37-45; 26-45; S:26-29-45; S1/2 S26 S45
• EU Classification: C9
• EU Hazard Identification Number: 8B
• Emergency Response Guidebook(ERG) Number: 154
• TSCA Listed: 是
• EU Index: 015-011-00-6
• GHS Pictograms: GHS05; GHS06; GHS07; GHS08
• GHS Signal Word: Danger
• NFPA704:
  

  0

  3

  0
• GHS Hazard statements: H290-H314; H301-H311-H315-H319-H331-H370; H302-H314; H314; H314-H318
• GHS Precautionary statements: P260-P280-P301 + P310-P305 + P351 + P338-P311; P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P280-P305 + P351 + P338-P310
• 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, Gloves; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Faceshields, Gloves, Goggles
• RID/ADR: UN 1230 3/PG 2; UN 1805 8/PG 3; UN 3453 8/PG 3

Pharmacology Properties

• Gene Information: human ... SRC(6714)

Product Information

• Purity: ≥85%; ~85%; ≥85%; ≥85% (T); ≥85.0%; ≥85.0% (T); ≥98%; ≥99%; ≥99.0% (T); ≥99.999% trace metals basis; 49-51%; 85%; 85% aq. soln.; 85% w/w aq. soln., ACS; 85.0-88.0%; 85-90%; 85-90% (T); 99.99% trace metals basis
• Concentration: ≥85 wt. % in H2O; 1.00 g/L; 10.00 g/L; 20 mM phosphoric acid; 23% in methanol; 85 wt. % in H2O; 85% in D2O; 85% in D2O (99.9 atom % D)
• Grade: ACS; ACS reagent; for HPCE; for HPLC; for thin layer chromatography; JIS special grade; NMR reference standard; puriss.; puriss. p.a.; puriss. p.a. plus; purum p.a.; REAGENT; reagent grade; SAJ first grade; semiconductor grade MOS PURANAL™ (Honeywell 17938); semiconductor grade PURANAL™ (Honeywell 17861); semiconductor grade VLSI PURANAL™ (Honeywell 17644); semiconductor grade VLSI PURANAL™ (Honeywell 17681); TraceSELECT®; TraceSELECT® Ultra
• Isotopic Purity: 99.9 atom % D
• Suitability: corresponds to standard for filter test; corresponds to standard for RP gradient test; in accordance for filter test (1:10 diluted); in accordance for fluorescence emission; in accordance for TLC; passes test for appearance of solution; suitable for insect cell culture
• Description: concentrate
• Impurities: ≤0.0003% volatile acids (as CH3COOH); ≤0.0005% heavy metals (as Pb); ≤0.001% heavy metals (as Pb); ≤0.001% in water insoluble matters; ≤0.001% KMnO4 red. matter (as O); ≤0.001% KMnO4-reducing matter (as O); ≤0.001% volatile acids (as CH3COOH); ≤0.001% Volatile acids (as CH3COOH); ≤0.002% heavy metals (as Pb); ≤0.002% KMnO4-reducing matter (as O); ≤1 mg/kg ammonia; ≤1 mg/kg KMnO4 reducing matter (as O); alkali phosphates, in accordance; insoluble matter, passes filter test; reducing impurities, in accordance; reducing substances, passes test; Reducing substances, passes test; residual solvents, in accordance; substance precip. by Ammonia, in accordance; substances precipitated by ammonia, in accordance
• Cation Traces: Ag: ≤1 mg/kg; Ag: ≤1 μg/kg; Ag: ≤20 μg/kg; Al: ≤1 mg/kg; Al: ≤10 μg/kg; Al: ≤20 μg/kg; As, Sb (as As): ≤0.2 mg/kg; As: ≤0.5 mg/kg; As: ≤1 mg/kg; As: ≤1 ppm; As: ≤2 mg/kg; As: ≤2 μg/kg; As: ≤5 μg/kg; Au: ≤1 μg/kg; Au: ≤20 μg/kg; B: ≤10 μg/kg; Ba: ≤0.3 mg/kg; Ba: ≤1 mg/kg; Ba: ≤1 μg/kg; Ba: ≤20 μg/kg; Be: ≤20 μg/kg; Be: ≤5 μg/kg; Bi: ≤1 mg/kg; Bi: ≤1 μg/kg; Bi: ≤20 μg/kg; Ca: ≤0.002%; Ca: ≤10 mg/kg; Ca: ≤100 μg/kg; Ca: ≤2 mg/kg; Ca: ≤50 μg/kg; Cd: ≤0.1 mg/kg; Cd: ≤1 mg/kg; Cd: ≤1 μg/kg; Cd: ≤20 μg/kg; Cd: ≤3 mg/kg; Cd: ≤5 mg/kg; Ce: ≤0.5 μg/kg; Ce: ≤20 μg/kg; Co: ≤0.1 mg/kg; Co: ≤1 mg/kg; Co: ≤1 μg/kg; Co: ≤20 μg/kg; Co: ≤5 mg/kg; Cr: ≤1 mg/kg; Cr: ≤20 μg/kg; Cr: ≤5 mg/kg; Cr: ≤50 μg/kg; Cs: ≤0.5 μg/kg; Cs: ≤20 μg/kg; Cu: ≤0.1 mg/kg; Cu: ≤1 mg/kg; Cu: ≤10 mg/kg; Cu: ≤20 μg/kg; Cu: ≤5 mg/kg; Cu: ≤5 μg/kg; Dy: ≤0.5 μg/kg; Er: ≤0.5 μg/kg; Eu: ≤0.5 μg/kg; Fe: ≤0.003%; Fe: ≤10 mg/kg; Fe: ≤100 μg/kg; Fe: ≤2 mg/kg; Fe: ≤200 μg/kg; Fe: ≤5 mg/kg; Ga: ≤0.5 μg/kg; Ga: ≤20 μg/kg; Gd: ≤1 μg/kg; Ge: ≤1 μg/kg; Ge: ≤20 μg/kg; heavy metals (as Pb): ≤0.001%; Hf: ≤1 μg/kg; Hg: ≤0.5 μg/kg; Hg: ≤1 mg/kg; Hg: ≤1 μg/kg; Ho: ≤0.5 μg/kg; In: ≤0.5 μg/kg; In: ≤20 μg/kg; Ir: ≤0.5 μg/kg; K: ≤0.005%; K: ≤0.5 mg/kg; K: ≤10 μg/kg; K: ≤20 mg/kg; K: ≤5 mg/kg; K: ≤50 μg/kg; La: ≤0.5 μg/kg; Li: ≤0.5 mg/kg; Li: ≤1 mg/kg; Li: ≤1 μg/kg; Li: ≤20 μg/kg; Lu: ≤0.5 μg/kg; Mg: ≤0.02%; Mg: ≤0.3 mg/kg; Mg: ≤1 mg/kg; Mg: ≤20 μg/kg; Mg: ≤5 mg/kg; Mg: ≤5 μg/kg; Mn: ≤0.1 mg/kg; Mn: ≤0.5 mg/kg; Mn: ≤0.5 ppm; Mn: ≤1 mg/kg; Mn: ≤20 μg/kg; Mn: ≤5 mg/kg; Mn: ≤5 μg/kg; Mo: ≤1 mg/kg; Mo: ≤20 μg/kg; Mo: ≤5 μg/kg; Na: ≤0.025%; Na: ≤1 mg/kg; Na: ≤10 mg/kg; Na: ≤100 μg/kg; Na: ≤20 mg/kg; Na: ≤50 mg/kg; Na: ≤50 μg/kg; Nb: ≤5 μg/kg; Nd: ≤0.5 μg/kg; Ni: ≤0.5 mg/kg; Ni: ≤1 mg/kg; Ni: ≤20 μg/kg; Ni: ≤5 mg/kg; Ni: ≤50 μg/kg; Os: ≤0.5 μg/kg; Pb: ≤0.1 mg/kg; Pb: ≤1 mg/kg; Pb: ≤1 μg/kg; Pb: ≤20 μg/kg; Pb: ≤3 mg/kg; Pb: ≤5 mg/kg; Pd: ≤1 μg/kg; Pr: ≤0.5 μg/kg; Pt: ≤1 μg/kg; Pt: ≤20 μg/kg; Rb: ≤0.5 μg/kg; Rb: ≤20 μg/kg; Re: ≤0.5 μg/kg; Rh: ≤0.5 μg/kg; Ru: ≤0.5 μg/kg; Sb: ≤0.002%; Sb: ≤2 mg/kg; Sb: ≤500 μg/kg; Se: ≤10 μg/kg; Se: ≤5 μg/kg; Sm: ≤0.5 μg/kg; Sn: ≤2 μg/kg; Sn: ≤20 μg/kg; Sr: ≤0.3 mg/kg; Sr: ≤1 mg/kg; Sr: ≤1 μg/kg; Sr: ≤20 μg/kg; Ta: ≤5 μg/kg; Tb: ≤0.5 μg/kg; Te: ≤1 μg/kg; Th: ≤0.5 μg/kg; Ti: ≤10 μg/kg; Ti: ≤20 μg/kg; Tl: ≤0.5 μg/kg; Tl: ≤1 mg/kg; Tl: ≤20 μg/kg; Tm: ≤0.5 μg/kg; U: ≤0.5 μg/kg; U: ≤20 μg/kg; V: ≤1 μg/kg; V: ≤20 μg/kg; W: ≤5 μg/kg; Y: ≤0.5 μg/kg; Yb: ≤0.5 μg/kg; Zn: ≤0.5 mg/kg; Zn: ≤1 mg/kg; Zn: ≤10 mg/kg; Zn: ≤10 μg/kg; Zn: ≤2 mg/kg; Zn: ≤20 μg/kg; Zn: ≤5 mg/kg; Zr: ≤20 μg/kg; Zr: ≤5 μg/kg
• Antion Traces: chloride (Cl-): ≤0.5 mg/kg; chloride (Cl-): ≤1 mg/kg; chloride (Cl-): ≤10 mg/kg; chloride (Cl-): ≤2 mg/kg; chloride (Cl-): ≤3 ppm; chloride (Cl-): ≤5 mg/kg; fluoride (F-): ≤1 mg/kg; fluoride (F-): ≤5 mg/kg; nitrate (NO3-): ≤0.5 mg/kg; nitrate (NO3-): ≤1 mg/kg; nitrate (NO3-): ≤10 mg/kg; nitrate (NO3-): ≤3 mg/kg; nitrate (NO3-): ≤5 mg/kg; nitrate (NO3-): ≤5 ppm; nitrate (NO3-): in accordance; phosphite, hypophosphite (as H3PO3): ≤100 mg/kg; phosphite, hypophosphite (as H3PO3): ≤20 mg/kg; phosphite, hypophosphite (as H3PO3): ≤30 mg/kg; phosphite, hypophosphite (as H3PO3): ≤50 mg/kg; phosphite, hypophosphite (as H3PO3): ≤500 mg/kg; phosphite, hypophosphite (as H3PO3): in accordance; sulfate (SO42-): ≤0.003%; sulfate (SO42-): ≤10 mg/kg; sulfate (SO42-): ≤20 mg/kg; sulfate (SO42-): ≤30 mg/kg; sulfate (SO42-): ≤5 mg/kg; sulfate (SO42-): ≤50 mg/kg; sulfate (SO42-): in accordance
• Shelf Life: (limited shelf life, expiry date on the label)
• Quality Level: PREMIUM
• Quality: ampule; crystallized; meets analytical specification of Ph. Eur., BP, NF, FCC; packed in coated, shock- and leak-protected glass bottle
• Mol. Weight: mol wt 98.00 by atom % calculation
• NMR tube O.D. × L: 3 mm × 8 in.; 5 mm × 8 in.
• λ: 1 M in H2O; in concentrate; neat
• Product Line: BioUltra
• abs.: UV absorption/200-800 nm in accordance
• Linear Formula: H3PO4

DETAILS

MP Biomedicals - 02194878

Aqueous solution ACS Reagent Grade Purity: >85%

Sigma Aldrich - P5811

Application
适于用作昆虫细胞培养应用中的滴定酸。
Other Notes
浓磷酸大约为 85% H3PO4(水溶液)。
包装
100, 500 g in poly bottle

Sigma Aldrich - 79617

Caution
product may become solid; becomes liquid on heating to 50°C.
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 40299

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Legal Information
PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 612162

Features and Benefits
31P sensitivity
Packaging
Coaxial NMR tubes.

Sigma Aldrich - 40266

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Legal Information
PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 466123

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
25, 100 g in poly bottle

Sigma Aldrich - 79618

Preparation Note
prepared under clean room conditions and filtered through a 0.2 μm membrane filter

Sigma Aldrich - 06082

Caution
product may become solid on storage; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 03366

Preparation Note
prepared with H3PO4 and H2O

Sigma Aldrich - 79614

Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
100, 500 mL in poly bottle
Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 40297

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Legal Information
PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 03367

Preparation Note
prepared with H3PO4 and H2O

Sigma Aldrich - 64957

Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
1 L in poly bottle
250 mL in poly bottle
Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 452289

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
50, 250 mL in poly bottle

Sigma Aldrich - 17092

Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 79620

Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 79606

Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 345245

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
100, 500 mL in glass bottle

Sigma Aldrich - 40278

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Legal Information
PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 24-2610

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 310271

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
1 kg in glass bottle

Sigma Aldrich - 79626

Packaging
concentrate (~0.66 M) in ampules for 6x1 l 0.01 M ready-to-use solution
Reconstitution
recommendation for use in ion pair chromatography

Sigma Aldrich - 04102

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 79622

Caution
product may become solid, becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 04107

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 79623

Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 24-2620

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 42280

General description
100 mL contain 15 mL phosphoric acid 85%

Sigma Aldrich - 30417

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Sigma Aldrich - 695017

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
100, 12×100, 500 mL in poly bottle
2.5 L in poly bottle

Sigma Aldrich - 79621

Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Reagent for the decomposition of aluminum oxide and silicates by solubilization1,2

Sigma Aldrich - 438081

Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
2.5, 6×2.5 L in PVC coated
Packaged in poly-coated bottles
20 L in poly drum
500, 6×500 mL in PVC coated

Sigma Aldrich - 215104

Other Notes
ACS specifications same as product 438081
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
100 g in glass bottle
2 kg in glass bottle