Ammonium metatungstate hydrate

• Catalog No.: 16906
• CAS Number: 12333-11-8
• M. F.: H28N6O41W12
• M. W.: 2974.31792
• Purity: ≥99.0% WO3 basis (based on calcined substance, gravimetric)

SYNONYMS

• Title: 偏钨酸铵 水合物
• IUPAC name: 2-[(4-{[4-({4-[(4,4-dihydroxy-2,2-dioxocycloditungstoxan-2-yl)oxy]-4-hydroxy-2,2,4-trioxocycloditungstoxan-2-yl}oxy)-4-hydroxy-2,2,4-trioxocycloditungstoxan-2-yl]oxy}-4-hydroxy-2,2,4-trioxocycloditungstoxan-2-yl)oxy]-4-[(2,4-dihydroxy-2-oxocycloditungstoxan-2-yl)oxy]-2,4,4-trioxocycloditungstoxan-2-ol hexaamine hydrate
• IUPAC Traditional name: 2-[(4-{[4-({4-[(4,4-dihydroxy-2,2-dioxocycloditungstoxan-2-yl)oxy]-4-hydroxy-2,2,4-trioxocycloditungstoxan-2-yl}oxy)-4-hydroxy-2,2,4-trioxocycloditungstoxan-2-yl]oxy}-4-hydroxy-2,2,4-trioxocycloditungstoxan-2-yl)oxy]-4-[(2,4-dihydroxy-2-oxocycloditungstoxan-2-yl)oxy]-2,4,4-trioxocycloditungstoxan-2-ol hexaamine hydrate

DATABASE IDS

• CAS Number: 12333-11-8
• PubChem SID: 24850262
• MDL Number: MFCD00150662
• EC Number: 234-733-4

PROPERTIES

• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤10 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤10 mg/kg
• Cation Traces: Na: ≤10 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Zn: ≤10 mg/kg
• Grade: puriss. p.a.
• Impurities: ≤0.005% water-insoluble matter
• Linear Formula: (NH4)6H2W12O40 · xH2O
• Loss on Drying: <15% loss on ignition
• Purity: ≥99.0% WO3 basis (based on calcined substance, gravimetric)
• Purity: ≥99.0%
• Melting Point: 100 °C (dec.)(lit.)
• GHS Signal Word: Danger
• GHS Hazard statements: H302-H318
• European Hazard Symbols: Harmful (Xn)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P280-P305 + P351 + P338
• Risk Statements: 22-41-52/53
• Safety Statements: 26-39-60
• German water hazard class: 2