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W290017

Sigma-Aldrich

Phosphoric acid solution

85 wt. % in H2O, FCC, FG

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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:
E Number:
E 338
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Halal
Kosher

reg. compliance

EU Regulation 1333/2008 & 178/2002
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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1 of 4

This Item
438081P5811PX0995
Phosphoric acid ACS reagent, ≥85 wt. % in H2O

Sigma-Aldrich

438081

Phosphoric acid

-
Phosphoric acid BioReagent, suitable for insect cell culture, 85%

Sigma-Aldrich

P5811

Phosphoric acid

Essential+ Grade
o-Phosphoric Acid 85% W/W Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Supelco

PX0995

o-Phosphoric Acid 85% W/W

-
grade

FG, Halal, Kosher

grade

ACS reagent

grade

-

grade

-

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

vapor density

3.4 (vs air)

assay

84.0-86% (by NaOH, titration)

assay

≥85% (with NaOH, titration)

assay

85%

assay

-

bp

158 °C (lit.)

bp

158 °C (lit.)

bp

158 °C (lit.)

bp

158 °C (lit.)

mp

~40 °C (lit.)

mp

~40 °C (lit.)

mp

~40 °C (lit.)

mp

~40 °C (lit.)

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

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