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04107

Sigma-Aldrich

Phosphoric acid

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

Synonym(s):

Orthophosphoric acid

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About This Item

Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
Beilstein/REAXYS Number:
1921286
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21
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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.)

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Other Notes

Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
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.

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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