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PX0996

Supelco

o-Phosphoric Acid 85% HPLC

Meets ACS Specifications

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

Quality Level

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

form

viscous liquid

concentration

85% phosphoric acid

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)

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.)

UV absorption

λ: 220 nm Amax: ≤0.05
λ: 254 nm Amax: ≤0.04
λ: 300 nm Amax: ≤0.02

shipped in

ambient

storage temp.

room temp

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

Packaging

500 ml in Glas bottle pre packed

Application

Meets ACS Specifications
PX0996-6 is packaged in poly coated glass bottles

Other Notes

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

Analysis Note

Antimony (Sb)0.002% maxArsenic (As)0.5ppm maxAssay85.0% minCalcium (Ca)0.002% maxChloride (Cl)3ppm maxColor (APHA)10 maxFormClear syrupy liquidHeavy metals (as Pb)0.001% maxInsoluble matter0.001% maxIron (Fe)0.003% maxMagnesium (Mg)0.002% maxManganese (Mn)0.5ppm maxNitrate (NO3)5ppm maxPhosphorous or hypophosphorous acidTo pass testPotassium (K)0.005% maxReducing substancesTo pass testSodium (Na)0.025% maxSulfate (SO4)0.001% maxUV Absorbance at 220 nm (1M, 1cm, water)0.05AU maxUV Absorbance at 254 nm (1M, 1cm, water)0.04AU maxUV Absorbance at 300 nm (1M, 1cm, water)0.02AU maxVolatile acids (as acetic acid)0.001% max

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

Flash Point(F)

does not flash

Flash Point(C)

does not flash

Certificate of Analysis

Certificate of Origin

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