64957
Fluka
Phosphoric acid
TraceSELECT® Ultra, for trace analysis, ≥85% (T)
| Synonym: | Orthophosphoric acid |
| CAS Number: | 7664-38-2 |
| Linear Formula: | H3PO4 |
| Molecular Weight: | 98.00 |
| Beilstein Registry Number: | 1921286 |
| EC Number: | 231-633-2 |
| MDL number: | MFCD00011340 |
| PubChem Substance ID: | 24883672 |
Description
| Caution | product may become solid; becomes liquid on heating to 50°C |
| Other Notes | Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous). |
| Legal Information | TraceSELECT is a registered trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co. |
Properties
| grade | for trace analysis |
| vapor density | 3.4 (vs air) |
| vapor pressure | 2.2 mmHg ( 20 °C) |
| 5 mmHg ( 25 °C) | |
| description | crystals |
| TraceSELECT® Ultra | |
| assay | ≥85% (T) |
| total impurities | ≤1 mg/kg KMnO4 reducing matter (as O) |
| ≤1 mg/kg ammonia | |
| bp | 158 °C(lit.) |
| mp | ~40 °C(lit.) |
| density | 1.685 g/mL at 25 °C(lit.) |
| anion traces | chloride (Cl-): ≤0.5 mg/kg |
| nitrate (NO3-): ≤0.5 mg/kg | |
| sulfate (SO42-): ≤5 mg/kg | |
| cation traces | Ag: ≤1 μg/kg |
| Al: ≤10 μg/kg | |
| As: ≤5 μg/kg | |
| Au: ≤1 μg/kg | |
| B: ≤10 μg/kg | |
| Ba: ≤1 μg/kg | |
| Be: ≤5 μg/kg | |
| Bi: ≤1 μg/kg | |
| Ca: ≤50 μg/kg | |
| Cd: ≤1 μg/kg | |
| Ce: ≤0.5 μg/kg | |
| Co: ≤1 μg/kg | |
| Cr: ≤20 μg/kg | |
| Cs: ≤0.5 μg/kg | |
| Cu: ≤5 μg/kg | |
| Dy: ≤0.5 μg/kg | |
| Er: ≤0.5 μg/kg | |
| Eu: ≤0.5 μg/kg | |
| Fe: ≤100 μg/kg | |
| Ga: ≤0.5 μg/kg | |
| Gd: ≤1 μg/kg | |
| Ge: ≤1 μg/kg | |
| Hf: ≤1 μg/kg | |
| Hg: ≤5 μg/kg | |
| Ho: ≤0.5 μg/kg | |
| In: ≤0.5 μg/kg | |
| Ir: ≤0.5 μg/kg | |
| K: ≤10 μg/kg | |
| La: ≤0.5 μg/kg | |
| Li: ≤1 μg/kg | |
| Lu: ≤0.5 μg/kg | |
| Mg: ≤5 μg/kg | |
| Mn: ≤5 μg/kg | |
| Mo: ≤5 μg/kg | |
| Na: ≤50 μg/kg | |
| Nb: ≤5 μg/kg | |
| Nd: ≤0.5 μg/kg | |
| Ni: ≤20 μg/kg | |
| Os: ≤0.5 μg/kg | |
| Pb: ≤1 μg/kg | |
| Pd: ≤1 μg/kg | |
| Pr: ≤0.5 μg/kg | |
| Pt: ≤1 μg/kg | |
| Rb: ≤0.5 μg/kg | |
| Re: ≤0.5 μg/kg | |
| Rh: ≤0.5 μg/kg | |
| Ru: ≤0.5 μg/kg | |
| Sb: ≤500 μg/kg | |
| Se: ≤10 μg/kg | |
| Sm: ≤0.5 μg/kg | |
| Sn: ≤2 μg/kg | |
| Sr: ≤1 μg/kg | |
| Ta: ≤5 μg/kg | |
| Tb: ≤0.5 μg/kg | |
| Te: ≤1 μg/kg | |
| Th: ≤0.5 μg/kg | |
| Ti: ≤10 μg/kg | |
| Tl: ≤0.5 μg/kg | |
| Tm: ≤0.5 μg/kg | |
| U: ≤0.5 μg/kg | |
| V: ≤1 μg/kg | |
| W: ≤5 μg/kg | |
| Y: ≤0.5 μg/kg | |
| Yb: ≤0.5 μg/kg | |
| Zn: ≤10 μg/kg | |
| Zr: ≤5 μg/kg | |
| Gene Information | human ... SRC(6714) |
Safety
References
| reference | RegBook 1 (3), 3247:I |
