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466123

Sigma-Aldrich

Ácido fosfórico

crystalline, ≥99.999% trace metals basis

Sinônimo(s):

Ácido ortofosfórico

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About This Item

Fórmula linear:
H3PO4
Número CAS:
7664-38-2
Peso molecular:
98.00
Beilstein:
1921286
Número CE:
231-633-2
Número MDL:
MFCD00011340
Código UNSPSC:
12352300
ID de substância PubChem:
24870329
NACRES:
NA.23

densidade de vapor

3.4 (vs air)

Nível de qualidade

200

pressão de vapor

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

Ensaio

≥99.999% trace metals basis

forma

crystalline

pb

158 °C (lit.)

pf

~40 °C (lit.)
41-44 °C

densidade

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

cadeia de caracteres SMILES

OP(O)(O)=O

InChI

1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)

chave InChI

NBIIXXVUZAFLBC-UHFFFAOYSA-N

Informações sobre genes

human ... SRC(6714)

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Descrição geral

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.

Aplicação

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

Embalagem

Packaged in poly bottles

Outras notas

O ácido fosfórico concentrado é aproximadamente 85% H3PO4 (aquoso).

Pictogramas

CorrosionExclamation mark
GHS05,GHS07

Palavra indicadora

Danger

Frases de perigo

H290,H302,H314

Classificações de perigo

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

Código de classe de armazenamento

8B - Non-combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “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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