Shandong Huashang Chemical Co., Ltd.
Product
Sodium tungstate(VI)
  • Brand:HuaShang
  • Model:25kg/drum
  • Purity:99%
  • Cas:13472-45-2
  • Createtime: 2026-04-14
  • Updatetime: 2026-04-15
Product Details
Boiling Point Decomposes at high temperature
deliveryInfo
Molecular Weight 697.96
Stability Stable at room temperature; sensitive to strong oxidants and concentrated alkali
aliasen
supplyCapacity 50000Metric Ton/Month
Solubility Soluble in ethanol, methanol and dilute alkali; slightly soluble in water; insoluble in non-polar solvents
harbor Qingdao,China
minorder 1KG
useage Industrial use
appearance Light red to reddish-brown crystalline powder
Molecular Formula C 19 ? H 10 ? Br 4 ? O 5 ? S
Melting Point About 205 ℃
Indicator Content:≥95.0%
Loss on Drying:≤1.0%
Residue on Ignition:≤0.2%
pH Transition Range:3.0~4.6
Water Insoluble Matter:≤0.5%
Heavy Metals:≤10 ppm
Appearance:Conforms to standard

Identification:Color reaction qualified

  • Acid-base indicator
    Typical acidic indicator, color changes from yellow to blue at pH 3.0~4.6, applied in strong acid titration of weak base.
  • Analytical chemical reagent
    Used for water quality analysis, solution pH detection and buffer system monitoring.
  • Microscopic staining agent
    Applied in simple staining of biological tissues and cell sections for microscopic observation.
  • Laboratory research material
    Widely used in chemical experiments, teaching analysis and standard color solution preparation.
  • Dyeing auxiliary
    Served as auxiliary additive for acid dyes and intermediate of color lake synthesis.