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V800287

Sigma-Aldrich

Phosphoric acid

suitable for HPLC, ≥85%

Synonym(s):

Orthophosphoric acid

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About This Item

Linear Formula:
H3PO4
CAS Number:
7664-38-2
Molecular Weight:
98.00
Beilstein/REAXYS Number:
1921286
MDL number:
MFCD00011340
UNSPSC Code:
12352300
PubChem Substance ID:
329829282
Pricing and availability is not currently available.

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

product line

Vetec™

assay

≥85%

form

liquid

technique(s)

HPLC: suitable

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

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

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Application

Phosphoric acid is used to prepare mobile phases for the HPLC system.[1][2]

Other Notes

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

Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

CorrosionExclamation mark
GHS05,GHS07

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MMBB4376

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SAFC

1.00563

ortho-Phosphoric acid

Phosphoric acid BioUltra, ≥85% (T)

Sigma-Aldrich

79617

Phosphoric acid

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A simple and efficient method is developed for Pd-catalyzed ortho-acetoxylation using organophosphates, namely, benzylic phosphonic and aryl phosphoric monoacids, as the directing group.
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Oxidative stress and the antioxidant response induced by high environmental ammonia (HEA) were investigated in the liver and gills of three freshwater teleosts differing in their sensitivities to ammonia. The highly ammonia-sensitive salmonid Oncorhynchus mykiss (rainbow trout), the less ammonia
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