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1.00573

Supelco

ortho-Phosphoric acid 85%

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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Synonym(s):
Phosphoric acid, o-Phosphoric acid, Orthophosphoric acid, Orthophosphoric acid
Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
Beilstein:
1921286
MDL number:

grade

ACS reagent

Quality Level

Agency

reag. ISO
reag. Ph. Eur.

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

product line

EMSURE®

form

liquid

concentration

85% phosphoric acid

impurities

≤0.5 ppm As (Arsenic)
≤0.5 ppm Cd (Cadmium)
≤0.5 ppm Co (Cobalt)
≤0.5 ppm Cu (Copper)
≤0.5 ppm Mn (Manganese)
≤0.5 ppm Pb (Lead)
≤1 ppm Fluoride (F)
≤1.0 ppm Ni (Nickel)
≤10 ppm Fe (Iron)
≤10 ppm Heavy metals (as Pb)
≤10 ppm Insoluble matter
≤10 ppm Substances reducing potassium permanganate (as O)
≤10 ppm Volatile acids (as Acetic acid)
≤2 ppm Chloride (Cl)
≤2 ppm Zn (Zinc)
≤20 ppm Ca (Calcium)
≤20 ppm Phosphite and Hypophosphite (as H3PO3)
≤20 ppm Sulfate (SO4)
≤200 ppm Na (Sodium)
≤3 ppm Nitrate (NO3)
≤5 ppm K (Potassium)
≤5 ppm Mg (Magnesium)
≤5 ppm Sb (Antimony)

color

APHA: ≤10

pH

<0.5 (20 °C, 100 g/L in H2O)

kinematic viscosity

30.5 cSt(20 °C)

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

storage temp.

no temp limit

SMILES string

OP(O)(O)=O

InChI

1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

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This Item
1.005521.93003PX0996
ortho-Phosphoric acid 85% for analysis EMSURE&#174; ACS,ISO,Reag. Ph Eur

Supelco

1.00573

ortho-Phosphoric acid 85%

ortho-Phosphoric acid 85% Suprapur&#174;

Supelco

1.00552

ortho-Phosphoric acid 85%

ortho-Phosphoric acid 88% for analysis EMPARTA&#174; ACS

Supelco

1.93003

ortho-Phosphoric acid 88%

o-Phosphoric Acid 85% HPLC Meets ACS Specifications

Supelco

PX0996

o-Phosphoric Acid 85% HPLC

agency

reag. ISO, reag. Ph. Eur.

agency

-

agency

-

agency

-

product line

EMSURE®

product line

-

product line

EMPARTA®

product line

-

form

liquid

form

liquid

form

-

form

viscous liquid

concentration

85% phosphoric acid

concentration

-

concentration

-

concentration

85% phosphoric acid

impurities

≤0.5 ppm As (Arsenic), ≤0.5 ppm Cd (Cadmium), ≤0.5 ppm Co (Cobalt), ≤0.5 ppm Cu (Copper), ≤0.5 ppm Mn (Manganese), ≤0.5 ppm Pb (Lead), ≤1 ppm Fluoride (F), ≤1.0 ppm Ni (Nickel), ≤10 ppm Fe (Iron), ≤10 ppm Heavy metals (as Pb), ≤10 ppm Insoluble matter, ≤10 ppm Substances reducing potassium permanganate (as O), ≤10 ppm Volatile acids (as Acetic acid), ≤2 ppm Chloride (Cl), ≤2 ppm Zn (Zinc), ≤20 ppm Ca (Calcium), ≤20 ppm Phosphite and Hypophosphite (as H3PO3), ≤20 ppm Sulfate (SO4), ≤200 ppm Na (Sodium), ≤3 ppm Nitrate (NO3), ≤5 ppm K (Potassium), ≤5 ppm Mg (Magnesium), ≤5 ppm Sb (Antimony)

impurities

-

impurities

-

impurities

≤0.001% Heavy metals (as Pb), ≤0.001% Insoluble matter, ≤0.001% Sulfate (SO4), ≤0.001% Volatile acids (as acetic acid), ≤0.002% Antimony (Sb), ≤0.002% Calcium (Ca), ≤0.002% Magnesium (Mg), ≤0.003% Iron (Fe), ≤0.005% Potassium (K), ≤0.025% Sodium (Na), ≤0.5 ppm Arsenic (As), ≤0.5 ppm Manganese (Mn), ≤3 ppm Chloride (Cl), ≤5 ppm Nitrate (NO3)

General description

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Other Notes

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

Analysis Note

Assay (alkalimetric)≥ 85.0 %Identitypasses testAppearance of solutionpasses testColor≤ 10 HazenChloride (Cl)≤ 2 ppmFluoride (F)≤ 1 ppmNitrate (NO₃)≤ 3 ppmPhosphite and Hypophosphite (as H₃PO₃)≤ 20 ppmHypophosphite, phosphitepasses testHeavy metals (as Pb)≤ 10 ppmSulfate (SO₄)≤ 20 ppmAs (Arsenic)≤ 0.5 ppmCa (Calcium)≤ 20 ppmCd (Cadmium)≤ 0.5 ppmCo (Cobalt)≤ 0.5 ppmCu (Copper)≤ 0.5 ppmFe (Iron)≤ 10 ppmK (Potassium)≤ 5 ppmMg (Magnesium)≤ 5 ppmMn (Manganese)≤ 0.5 ppmNa (Sodium)≤ 200 ppmNi (Nickel)≤ 1.0 ppmPb (Lead)≤ 0.5 ppmSb (Antimony)≤ 5 ppmZn (Zinc)≤ 2 ppmMatter precipitated by ammoniapasses testVolatile acids (as Acetic acid)≤ 10 ppmSubstances reducing potassium permanganate (as O)≤ 10 ppmInsoluble matter≤ 10 ppm

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1


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