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Merck

466123

Sigma-Aldrich

Phosphorsäure

crystalline, ≥99.999% trace metals basis

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:
12352300
PubChem Substanz-ID:
NACRES:
NA.23

Dampfdichte

3.4 (vs air)

Qualitätsniveau

Dampfdruck

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

Assay

≥99.999% trace metals basis

Form

crystalline

bp

158 °C (lit.)

mp (Schmelzpunkt)

~40 °C (lit.)
41-44 °C

Dichte

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)

InChIKey

NBIIXXVUZAFLBC-UHFFFAOYSA-N

Angaben zum Gen

human ... SRC(6714)

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Allgemeine Beschreibung

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.

Anwendung

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

Verpackung

Packaged in poly bottles

Sonstige Hinweise

Konzentrierte Phosphorsäure, ca. 85 % H3PO4 (wässrig).

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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