Merck
All Photos(1)

49685

Supelco

Phosphoric acid

suitable for HPLC, LiChropur, 85%

Synonym(s):
Orthophosphoric acid
Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
Beilstein:
1921286
MDL number:

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

assay

85%
85.0-90.0% (NaOH 1 M, T)

quality

LiChropur

technique(s)

HPLC: suitable

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.680-1.720 g/mL at 20 °C
1.685 g/mL at 25 °C (lit.)

λ

neat

UV absorption

λ: 210 nm Amax: ≤0.07
λ: 220 nm Amax: ≤0.06
λ: 230 nm Amax: ≤0.05
λ: 250 nm Amax: ≤0.04
λ: 500 nm Amax: ≤0.02

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

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Other Notes

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

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Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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