Periodic acid
SIGALD/77310 - puriss. p.a., ACS reagent, for oxidimetric titration, crystallized, ≥99.0% (RT)
CAS Number: 10450-60-9
Empirical Formula (Hill Notation): H5IO6
Molecular Weight: 227.94
EC Number: 233-937-0
MDL Number: MFCD00011344
Linear Formula: H5IO6
Product Type: Chemical
| anion traces | bromide, bromate, chloride, chlorate (as Cl-): ≤100 mg/kg |
| iodide (I-): ≤10 mg/kg | |
| sulfate (SO42-): ≤100 mg/kg | |
| assay | ≥99.0% (RT) |
| cation traces | Ag: ≤5 mg/kg |
| Al: ≤5 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤30 mg/kg | |
| K: ≤50 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤50 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤10 mg/kg | |
| Sr: ≤5 mg/kg | |
| Tl: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | powder or crystals |
| grade | ACS reagent |
| for oxidimetric titration | |
| puriss. p.a. | |
| ign. residue | ≤0.01% (as SO4) |
| InChI | 1S/H5IO6/c2-1(3,4,5,6)7/h |
| InChI key | TWLXDPFBEPBAQB-UHFFFAOYSA |
| mp | 122 °C (lit.) |
| quality | crystallized |
| Quality Level | 200  |
| SMILES string | OI(O)(O)(O)(O)=O |
| solubility | water: soluble |
| Application: | Periodic acid may be used in the synthesis of diiodine heptoxide (I2O7). It may be used in the Periodic acid Schiff staining procedures. |
| General description: | Periodic acid (H5IO6) is a colorless crystalline solid. It is widely employed as an oxidant and is weakly acidic in nature. It can be synthesized from iodic(V) acid. |
| Other Notes: | for the histochemical detection of polysaccharides |
| Symbol |     GHS03,GHS05,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H271 - H314 - H372 - H410 |
| Precautionary statements | P210 - P260 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | O,C |
| Risk Statements | 8-34 |
| Safety Statements | 17-26-36/37/39-45 |
| RIDADR | UN 3085 8(5.1) / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (RT) |
| mp | 122 °C (lit.) |
| UNSPSC | 12352106 |