12501-23-4
Phosphotungstic acid hydrate
CAS: 12501-23-4
Molecular Formula: H6O8PW
12501-23-4 - Names and Identifiers
| Name | Phosphotungstic acid hydrate |
| Synonyms | 12-TUNGSTOPHOSPHATE Phosphotungstic acid hydrate PHOSPHOTUNGSTIC ACID N-HYDRATE 12-TUNGSTOPHOSPHORIC ACID HYDRATE TUNGSTOPHOSPHORIC ACID LOW SODIUM NP DODECA-TUNGSTOPHOSPHORIC ACID HYDRATE 12Tungsto(Ⅵ) Phosphoric Acid n-Hydrate 12 TUNGSTO(+6)PHOSPHORIC ACID N-HYDRATE 12 TUNGSTO(VI) PHOSPHORIC ACID N-HYDRATE Phosphotungstic acid hydrate reagent grade Tungstophosphoric acid hydrate for analysis EMSURE Hydrogen phosphotungstate hydrate (H3PW12O40.xH2O) Phosphotungstic acid hydrate Vetec(TM) reagent grade |
| CAS | 12501-23-4 |
| EINECS | 603-020-3 |
| InChI | InChI=1/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/rH3O4P.12O3W.H2O/c1-5(2,3)4;12*1-4(2)3;/h(H3,1,2,3,4);;;;;;;;;;;;;1H2 |
12501-23-4 - Physico-chemical Properties
| Molecular Formula | H6O8PW |
| Molar Mass | 348.86 |
| Density | 3.88[at 20℃] |
| Melting Point | ~95°C(lit.) |
| Boling Point | 107.9℃[at 101 325 Pa] |
| Water Solubility | soluble |
| Vapor Presure | 19.2hPa at 20℃ |
| Appearance | Solid |
| Color | White |
| Exposure Limit | ACGIH: TWA 3 mg/m3NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 |
| PH | 1.3 (20g/l, H2O, 20℃) |
| Storage Condition | room temp |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| Physical and Chemical Properties | Storage Conditions: 0-6 ℃ sensitivity: hydrogen WGK Germany:3 RTECS:TH5650000 |
12501-23-4 - Risk and Safety
| Risk Codes | R34 - Causes burns R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S36 - Wear suitable protective clothing. |
| UN IDs | UN 3260 8/PG 3 |
| WGK Germany | 3 |
| RTECS | TH5650000 |
| FLUKA BRAND F CODES | 3-10-23 |
| TSCA | Yes |
| HS Code | 2811 19 80 |
| Hazard Class | 8 |
| Toxicity | LD50 orally in Rabbit: 3300 mg/kg |
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