Merck
All Photos(1)

W290017

Sigma-Aldrich

Phosphoric acid solution

85 wt. % in H2O, FCC, FG

Synonym(s):
Phosphoric acid, Orthophosphoric acid
Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
FEMA Number:
2900
Beilstein:
1921286
MDL number:
PubChem Substance ID:
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Halal
Kosher

reg. compliance

EU Regulation 1333/2008 & 178/2002 (E338)
FCC

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

assay

84.0-86% (by NaOH, titration)

form

liquid

concentration

85 wt. % in H2O

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.02%passes test
fluoride (F-): ≤10 ppm
sulfate (SO42-): ≤1500 ppm

cation traces

As: ≤1 ppm
Cd: ≤1 ppm
Hg: ≤1 ppm
Pb: ≤1 ppm

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

faint

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)

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Related Categories

Packaging

1 kg in poly bottle
10, 25 kg in poly drum

Other Notes

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

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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