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Merck

04107

Ácido fosfórico

puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, 85.0-88.0%

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Fórmula lineal:
H3PO4
Número CAS:
Peso molecular:
98.00
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352106
EC Number:
231-633-2
MDL number:
Beilstein/REAXYS Number:
1921286
Assay:
85.0-88.0%
Form:
liquid
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vapor density

3.4 (vs air)

Quality Level

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

grade

puriss.

assay

85.0-88.0%

form

liquid

quality

meets analytical specification of Ph. Eur., BP, NF, FCC

impurities

alkali phosphates, in accordance, residual solvents, in accordance, substance precip. by Ammonia, in accordance, ≤0.0005% heavy metals (as Pb), ≤0.001% volatile acids (as CH3COOH)

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg, fluoride (F-): ≤5 mg/kg, nitrate (NO3-): ≤5 mg/kg, nitrate (NO3-): in accordance, phosphite, hypophosphite (as H3PO3): ≤30 mg/kg, phosphite, hypophosphite (as H3PO3): in accordance, sulfate (SO42-): ≤50 mg/kg, sulfate (SO42-): in accordance

cation traces

As: ≤2 mg/kg, Cd: ≤3 mg/kg, Cu: ≤10 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, Pb: ≤3 mg/kg, Zn: ≤10 mg/kg

suitability

passes test for appearance of solution

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)

Other Notes

El ácido fosfórico concentrado es aproximadamente H3PO4 (acuoso) al 85%.
The article number 04107-4X2.5L will be discontinued. Please order the single bottle 04107-2.5L which is physically identical with the same exact specifications.
The article number 04107-6X1L will be discontinued. Please order the single bottle 04107-1L which is physically identical with the same exact specifications.


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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

Clase de almacenamiento

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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Internal versus external surface active sites in ZSM-5 zeolite: Part 1. Fries rearrangement catalyzed by modified and unmodified H3PO4/ZSM-5.
Ghiaci M, et al.
Applied Catalysis A: General, 298, 32-39 (2006)
J M Fujitaki et al.
Biochemistry, 20(12), 3658-3664 (1981-06-09)
Phosphorus-31 nuclear magnetic resonance (31P NMR) is used to investigate acid-labile phosphorylation of histone H4. 31P NMR detects phosphorylated histidine residues in in vitro enzymatically phosphorylated H4. The source of kinase is nuclei from either regenerating rat liver or Walker-256
D S Marinier et al.
Journal of lipid research, 29(9), 1237-1243 (1988-09-01)
In order to study the lipid composition of human white matter, we have developed a 31P NMR spectroscopy method, which allows the determination and quantitation of the main phospholipids found in biological membranes. The technique is based upon the use