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466123

Sigma-Aldrich

Ácido fosfórico

crystalline, ≥99.999% trace metals basis

Sinónimos:

Ácido ortofosfórico

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About This Item

Fórmula lineal:
H3PO4
Número de CAS:
7664-38-2
Peso molecular:
98.00
Beilstein/REAXYS Number:
1921286
EC Number:
231-633-2
MDL number:
MFCD00011340
UNSPSC Code:
12352300
PubChem Substance ID:
24870329
NACRES:
NA.23

vapor density

3.4 (vs air)

Quality Level

200

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

assay

≥99.999% trace metals basis

form

crystalline

bp

158 °C (lit.)

mp

~40 °C (lit.)
41-44 °C

density

1.685 g/mL at 25 °C (lit.)
1.830 g/mL at 25 °C

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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General description

Anhydrous phosphoric acid is a white solid which melts at 42.35oC to form a viscous liquid. In aqueous solution phosphoric acid behaves as a triprotic acid, having three ionizable hydrogen atoms.

Application

Industrially, phosphoric acid may be used in fertilizers, detergents, pharmaceuticals, water softeners.

Packaging

Packaged in poly bottles

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

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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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Alessio Ciulli et al.
Journal of medicinal chemistry, 49(16), 4992-5000 (2006-08-04)
Mapping interactions at protein-ligand binding sites is an important aspect of understanding many biological reactions and a key part of drug design. In this paper, we have used a fragment-based approach to probe "hot spots" at the cofactor-binding site of
Alex W Gregory et al.
Organic letters, 15(17), 4330-4333 (2013-08-30)
A highly enantioselective hydroamination/N-sulfonyliminium cyclization cascade is reported using a combination of gold(I) and chiral phosphoric acid catalysts. An initial 5-exo-dig hydroamination and a subsequent phosphoric acid catalyzed cyclization process provide access to complex sulfonamide scaffolds in excellent yield and
W M Fennis et al.
Journal of dental research, 93(1), 36-41 (2013-10-25)
The objective of this randomized control trial was to compare the five-year clinical performance of direct and indirect resin composite restorations replacing cusps. In 157 patients, 176 restorations were made to restore maxillary premolars with Class II cavities and one
Amit Kumar Sinha et al.
PloS one, 9(4), e95319-e95319 (2014-04-18)
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
Mian Qi et al.
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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