o-Phosphoric Acid

产品名称

磷酸, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

InChI

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

SMILES string

OP(O)(O)=O

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

grade

ACS reagent

agency

meets USP/NF

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

form

liquid

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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concentration

85% phosphoric acid

impurities

≤0.001% Heavy metals (as Pb)
≤0.001% Insoluble matter
≤0.001% Volatile acids (as acetic acid)
≤0.002% Antimony (Sb)
≤0.002% Calcium (Ca)
≤0.002% Magnesium (Mg)
≤0.003% Iron (Fe)
≤0.003% Sulfate (SO₄)
≤0.005% Potassium (K)
≤0.025% Sodium (Na)
≤0.5 ppm Manganese (Mn)
≤1 ppm Arsenic (As)
≤3 ppm Chloride (Cl)
≤5 ppm Nitrate (NO₃)

color

APHA: ≤10

pH

<0.5 (20 °C, 100 g/L in H₂O)

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

greener alternative category

Enabling

shipped in

ambient

storage temp.

room temp

Quality Level

300