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Merck
CN

PX0996

o-Phosphoric Acid

greener alternative

85% HPLC, Meets ACS Specifications

Synonym(s):

Phosphoric acid, Orthophosphoric Acid, Orthophosphoric acid

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About This Item

Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
UNSPSC Code:
12352301
MDL number:
Beilstein/REAXYS Number:
1921286
eCl@ss:
38070202
Concentration:
85% phosphoric acid
Form:
viscous liquid
Grade:
ACS reagent
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Product Name

o-Phosphoric Acid 85% HPLC, Meets ACS Specifications

grade

ACS reagent

Quality Level

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

form

viscous liquid

greener alternative product characteristics

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

sustainability

Greener Alternative Product

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

greener alternative category

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

General description

We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Phosphoric acid-doped polybenzimidazole (PBI) membranes offer a cleaner path to energy by enabling high-temperature fuel cells that efficiently convert hydrogen into electricity with low emissions. Their durability and proton conductivity make them ideal for sustainable power systems. Click here for more information.

Application

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

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

Other Notes

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


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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

does not flash

flash_point_c

does not flash

Regulatory Information

新产品

This item has



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
PX0996-604061839432345