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W290017

Phosphoric acid solution

greener alternative

85 wt. % in H2O, FCC, FG

Synonym(s):

Phosphoric acid, Orthophosphoric acid

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About This Item

Linear Formula:
H3PO4
CAS Number:
7664-38-2
Molecular Weight:
98.00
FEMA Number:
2900
UNSPSC Code:
12164502
PubChem Substance ID:
24901383
E Number:
E 338
NACRES:
NA.21
Beilstein/REAXYS Number:
1921286
MDL number:
MFCD00011340
Organoleptic:
faint
Grade:
FG, Halal, Kosher
Biological source:
synthetic
Food allergen:
no known allergens
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biological source

synthetic

Quality Level

300, 400

grade

FG, Halal, Kosher

reg. compliance

EU Regulation 1333/2008 & 178/2002, FCC

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

assay

84.0-86% (by NaOH, titration)

greener alternative product characteristics

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

sustainability

Greener Alternative Product

concentration

85 wt. % in H2O

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.02%passes test, fluoride (F-): ≤10 ppm, sulfate (SO42-): ≤1500 ppm

cation traces

As: ≤1 ppm, Cd: ≤1 ppm, Hg: ≤1 ppm, Pb: ≤1 ppm

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

greener alternative category

Enabling

organoleptic

faint

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

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


  • A Novel Resistive Sensor Network Utilizing an SAP-Enhanced Ionic Layer and CNT Doping for Multipoint Pressure Measurement.: This article showcases the role of phosphoric acid solutions in creating sensitive and accurate pressure sensors for various technological applications, from healthcare to consumer electronics (Fan et al., 2024).

Other Notes

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

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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

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

危险化学品

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