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452289

Phosphoric acid

≥85 wt. % in H2O, ≥99.999% trace metals basis

Sustainability features

Synonym(s):

Orthophosphoric acid

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About This Item

Linear Formula:
H3PO4
CAS Number:
7664-38-2
Molecular Weight:
98.00
UNSPSC Code:
26111700
NACRES:
NA.23
PubChem Substance ID:
24868686
EC Number:
231-633-2
Beilstein/REAXYS Number:
1921286
MDL number:
MFCD00011340
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vapor density

3.4 (vs air)

Quality Segment

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

assay

≥99.999% trace metals basis

form

liquid

sustainability

Sustainability features

concentration

≥85 wt. % in H2O

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

application(s)

battery manufacturing
battery precursors

greener alternative category

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

Gene Information

human ... SRC(6714)

General description

This product aligns with one or more of the 12 Principles of Green Chemistry Find details here.

Application

Phosphoric acid can be used for a variety of applications, such as:
  • a medium for corrosion inhibition on mild steel
  • an activating agent in the preparation of activated carbon
  • enhancement of electrochemical performance of the substrates for energy devices
  • in the development of polymeric membranes for proton exchange membrane (PEM) based fuel cells

Packaging

Packaged in poly bottles

Other Notes

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

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Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Codes

H290,H302,H314

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

Flash Point (°F)

Not applicable

PPE (personal protective equipment)

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Flash Point (°C)

Not applicable

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