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PX1000

Supelco

o-Phosphoric Acid

85% W/W

Synonym(s):

Phosphoric acid, Orthophosphoric Acid, Orthophosphoric acid

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About This Item

Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
Beilstein/REAXYS Number:
1921286
MDL number:
UNSPSC Code:
12352301

product name

o-Phosphoric Acid 85% W/W, 85% W/W

vapor density

3.4 (vs air)

Quality Level

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

form

liquid

concentration

85% phosphoric acid

impurities

≤0.001% Arsenic (As)
≤0.002% Heavy metals (as Pb)

color

APHA: ≤40

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.)

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

Related Categories

Application


  • Development and validation of stability indicating UPLC methods for related substances and assay analyses of ricobendazole hydrochloride: This research employs o-Phosphoric acid 85% as a mobile phase component in ultra-performance liquid chromatography (UPLC) to analyze and validate the stability and purity of ricobendazole hydrochloride, crucial for pharmaceutical quality assurance. This method highlights the role of high-purity phosphoric acid in enhancing detection sensitivity and accuracy in pharmaceutical research (Ağtaş Ç, Bellur Atici E, Ayaz Seyhan S, Bilgic Alkaya D, 2024).

  • Chemometrics-assisted development of a validated LC method for simultaneous estimation of temozolomide and γ-linolenic acid: This study showcases the application of o-Phosphoric acid 85% in liquid chromatography for the simultaneous estimation of temozolomide and γ-linolenic acid within lipidic nanoparticles. It emphasizes the acid′s role in improving chromatographic separation and analysis, critical for the advancement of nanomedicine and drug delivery systems (Beg S, Panda SS, Singh KK, 2022).

Other Notes

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

Analysis Note

Alkali phosphates: To pass test
Arsenic (As): 0.001% max
Assay: 85-88%
Color (APHA): 40 max
Description: To pass test
Form: Clear liquid
Heavy metals (as Pb): 0.002% max
Identification: To pass test
Nitrate: To pass test
Phosphorous or hypophosphorous acid: To pass test
Solubility: To pass test
Sulfate: To pass test

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

wgk_germany

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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