12141-67-2
| Name | SODIUM METATUNGSTATE |
| CAS | 12141-67-2 |
| EINECS(EC#) | 412-770-9 |
| Molecular Formula | Na6O39W12 |
| MDL Number | MFCD00061466 |
| Molecular Weight | 2968 |
| MOL File | 12141-67-2.mol |
Chemical Properties
| Appearance | Clear pale greenish to yellow liquid |
| density | 3.1 g/cm3 at 20 °C (saturated aqueous solution) |
| refractive index | n |
| storage temp. | Store at RT |
| solubility | ≥149.3 mg/mL in DMSO with ultrasonic; insoluble in EtOH; ≥65.4 mg/mL in H2O |
| form | Powder |
| color | White |
| PH | 3.0 at 4,000 g/l(-20°C68 °F) |
| Water Solubility | Soluble in water. |
| Exposure limits | ACGIH: TWA 3 mg/m3 NIOSH: TWA 1 mg/m3; STEL 3 mg/m3 |
| Major Application | diagnostic assay manufacturing hematology histology |
| InChI | InChI=1S/Na.40O.12W/q+1;;;;;;;;;;;;;26*-2;2*-1;12*+4 |
| InChIKey | AZCSOJKJFMWYCX-UHFFFAOYSA-N |
| LogP | -5.2 at 20℃ |
| Surface tension | 73.4mN/m at 1.254mg/L and 20℃ |
| CAS DataBase Reference | 12141-67-2 |
| EPA Substance Registry System | Tungstate (W12(OH)2O386-), hexasodium (12141-67-2) |
Safety Data
| Hazard Codes | Xn |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 2 |
| TSCA | Yes |
| REACH Registrations | Active |
| HS Code | 28418020 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral Aquatic Chronic 3 Eye Dam. 1 |