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Merck

1.93003

ortho-Phosphoric acid 88%

greener alternative

for analysis EMPARTA® ACS

Synonym(s):

Phosphoric acid, Orthophosphoric acid

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About This Item

Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
UNSPSC Code:
12352106
Beilstein/REAXYS Number:
1921286
MDL number:
Grade:
ACS reagent

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grade

ACS reagent

Quality Level

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

product line

EMPARTA®

greener alternative product characteristics

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

sustainability

Greener Alternative Product

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

greener alternative category

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.

Packaging

1.93003.0521: 500ML, Minimum order quantity: 20
1.93003.2521: 2.5 L, Minimum order quantity: 4
1.93003.5021: 5 L, Minimum order quantity: 4
1.93003.9026: 25 L, Minimum order quantity: 1

Other Notes

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

Legal Information

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

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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Questions

  1. Is Emparta ACS ortho-phosphoric acid 88% (product number 1.93003) Supelco, suitable for chromatographic applications (modifier in mobile phase)? What are the product alternatives for chromatographic applications?

    1 answer
    1. This product is not tested for suitability in HPLC. Product 5438280250, ortho-Phosphoric acid 85 % is recommended for this application.

      Please see the link below to access this product page:
      https://www.sigmaaldrich.com/product/mm/543828

      Helpful?

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