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/REAXYS Number:
1921286
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

biological source

synthetic

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

Documentation

see Safety & Documentation for available documents

Featured Industry

Flavors and Fragrances

Organoleptic

faint

food allergen

no known allergens

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).
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Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 1805 8 / PGIII

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Alveolar macrophages play a crucial role in the pathogenesis of emphysema, for which there is currently no effective treatment. Bisphosphonates are widely used to treat osteoclast-mediated bone diseases. Here we show that delivery of the nitrogen-containing bisphosphonate alendronate via aerosol...
Atsushi Saito et al.
Science translational medicine, 7(313), 313ra181-313ra181 (2015-11-13)
Pulmonary alveolar microlithiasis (PAM) is a rare, autosomal recessive lung disorder associated with progressive accumulation of calcium phosphate microliths. Inactivating mutations in SLC34A2, which encodes the NPT2b sodium-dependent phosphate cotransporter, has been proposed as a cause of PAM. We show...

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