CAS Number: 7664-38-2
Empirical Formula (Hill Notation): H3O4P
Molecular Weight: 98.00
MDL Number: MFCD00011340
Linear Formula: H3PO4
Product Type: Chemical
assay | 83.5-86.5% (gravimetric) |
concentration | 85% in D2O (99.9 atom % D) |
density | 1.481 g/cm3 |
form | solution |
grade | NMR reference standard |
InChI | 1S/H3O4P/c1-5(2,3)4/h(H3, |
InChI key | NBIIXXVUZAFLBC-UHFFFAOYSA |
NMR tube size | 4.2 mm × 8 in. , WGS-5BL Coaxial NMR tube |
Quality Level | 200 ![]() |
SMILES string | OP(O)(O)=O |
technique(s) | NMR: suitable |
Application: | Phosphoric acid may be employed in the following studies: • As standard for the determination of phosphorus-31 nuclear magnetic resonance (31P NMR) chemical shifts of the common phospholipids. • As external standard for the analysis of lipid composition of human white matter by 31P NMR spectroscopy. • As external standard during the acid-labile phosphorylation of histone H4 by 31P NMR spectroscopy. • As reference standard to investigate the surface species present on silica/alumina-supported sodium phosphates by pre- and postreaction MAS31P-NMR and FTIR spectroscopies. |
Features and Benefits: | 31P sensitivity |
General description: | Phosphoric acid solution is widely used NMR reference standard. |
Packaging: | Coaxial 4.2 mm O.D. x 8 in. tube (equivalent to Wilmad WGS-5BL) designed to be used inside a 5 mm x 7 in. NMR tube. |
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 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | 83.5-86.5% (gravimetric) |
Density | 1.481 g/cm3 |
UNSPSC | 12352106 |
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