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W290017

Sigma-Aldrich

Ácido fosfórico

85 wt. % in H2O, FCC, FG

Sinónimos:

Ácido ortofosfórico

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About This Item

Fórmula lineal:
H3PO4
Número de CAS:
7664-38-2
Peso molecular:
98.00
FEMA Number:
2900
Beilstein/REAXYS Number:
1921286
MDL number:
MFCD00011340
UNSPSC Code:
12164502
PubChem Substance ID:
24901383
E Number:
E 338
NACRES:
NA.21

biological source

synthetic

Quality Level

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)

form

liquid

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

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)

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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

El ácido fosfórico concentrado es aproximadamente H3PO4 (acuoso) al 85%.

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

ppe

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

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Journal of the American Chemical Society, 136(43), 15366-15378 (2014-10-18)
Distance measurement in the nanometer range by electron paramagnetic resonance spectroscopy (EPR) in combination with site-directed spin labeling is a very powerful tool to monitor the structure and dynamics of biomacromolecules in their natural environment. However, in-cell application is hampered
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In this study, the changes in UV absorbance at 254 nm (UVA254) and electron donating capacity (EDC) were investigated as surrogate indicators for assessing removal of micropollutants and bromate formation during ozonation of wastewater effluents. To measure the EDC, a novel
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