Phosphoric acid solution
ALDRICH/W290017 - 85 wt. % in H2O, FCC, FG
Synonym: Phosphoric acid; Orthophosphoric acid
CAS Number: 7664-38-2
Empirical Formula (Hill Notation): H3O4P
Molecular Weight: 98.00
MDL Number: MFCD00011340
Linear Formula: H3PO4
Product Type: Chemical
anion traces | chloride (Cl-): ≤0.02%passes test |
fluoride (F-): ≤10 ppm | |
sulfate (SO42-): ≤1500 ppm | |
application(s) | flavors and fragrances |
assay | 84.0-86% (by NaOH, titration) |
biological source | synthetic |
bp | 158 °C (lit.) |
cation traces | As: ≤1 ppm |
Cd: ≤1 ppm | |
Hg: ≤1 ppm | |
Pb: ≤1 ppm | |
concentration | 85 wt. % in H2O |
density | 1.685 g/mL at 25 °C (lit.) |
documentation | see Safety & Documentation for available documents |
food allergen | no known allergens |
form | liquid |
grade | FG |
Halal | |
Kosher | |
InChI | 1S/H3O4P/c1-5(2,3)4/h(H3, |
InChI key | NBIIXXVUZAFLBC-UHFFFAOYSA |
mp | ~40 °C (lit.) |
organoleptic | faint |
Quality Level | 400 ![]() |
reg. compliance | EU Regulation 1333/2008 & 178/2002 (E338) |
FCC | |
SMILES string | OP(O)(O)=O |
vapor density | 3.4 (vs air) |
vapor pressure | 2.2 mmHg ( 20 °C) |
5 mmHg ( 25 °C) |
Other Notes: | Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous). |
Packaging: | 1 kg in poly bottle |
Packaging: | 10, 25 kg in poly drum |
Symbol | ![]() ![]() |
Signal word | Danger |
Hazard statements | H290 - H302 - H314 |
Precautionary statements | P234 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
Hazard Codes | C |
Risk Statements | 34 |
Safety Statements | 26-45 |
RIDADR | UN 1805 8 / PGIII |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | 84.0-86% (by NaOH, titration) |
bp | 158 °C (lit.) |
mp | ~40 °C (lit.) |
Density | 1.685 g/mL at 25 °C (lit.) |
FEMA Number | 2900 |
UNSPSC | 12164502 |