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Merck

04102

Sigma-Aldrich

Phosphorsäure

puriss., ≥99%

Synonym(e):

Orthophosphorsäure

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About This Item

Lineare Formel:
H3PO4
CAS-Nummer:
Molekulargewicht:
98.00
Beilstein:
1921286
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352106
PubChem Substanz-ID:

Dampfdichte

3.4 (vs air)

Dampfdruck

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

Qualität

puriss.

Assay

≥99%

Verunreinigungen

≤0.002% heavy metals (as Pb)

bp

158 °C (lit.)

mp (Schmelzpunkt)

~40 °C (lit.)

Dichte

1.685 g/mL at 25 °C (lit.)

Anionenspuren

chloride (Cl-): ≤10 mg/kg
nitrate (NO3-): ≤10 mg/kg
phosphite, hypophosphite (as H3PO3): ≤100 mg/kg
sulfate (SO42-): ≤20 mg/kg

Kationenspuren

Fe: ≤10 mg/kg

SMILES String

OP(O)(O)=O

InChI

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

InChIKey

NBIIXXVUZAFLBC-UHFFFAOYSA-N

Angaben zum Gen

human ... SRC(6714)

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Verwandte Kategorien

Sonstige Hinweise

Konzentrierte Phosphorsäure, ca. 85 % H3PO4 (wässrig).
A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Piktogramme

CorrosionExclamation mark

Signalwort

Danger

Gefahreneinstufungen

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

Lagerklassenschlüssel

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

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


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Hao Dong et al.
Food chemistry, 240, 717-724 (2017-09-28)
The present work aims to systematically demonstrate the authenticity of honeys with non-extractable proteins for the first time, by means of EA-IRMS and LC-IRMS. Fifty-three pure honeys of various botanical and geographical origins were studied and a criterion on the
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
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)
P Meneses et al.
Journal of lipid research, 29(5), 679-689 (1988-05-01)
The common phospholipids from biological sources were quantitated using phosphorus-31 nuclear magnetic resonance (NMR) spectroscopy in conjunction with an analytical reagent composed of two parts: 1) 2 ml of reagent chloroform in which was dissolved 0.01-100 mg of crude tissue
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

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