Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

36489 Sodium tungsten oxide dihydrate, ACS, 99.0-101.0%

CAS Number
10213-10-2
Synonyms

Stock No. Size Price ($) Quantity Availability
36489-22 100g 68.10
36489-36 500g 198.00
Add to Cart Bulk/Specialty Print Quote View Item

Sodium tungsten oxide dihydrate, ACS, 99.0-101.0%

MDL
MFCD00149190
EINECS
236-743-4

Chemical Properties

Formula
Na2WO4•2H2O
Formula Weight
329.86 (293.83anhy)
Form
Powder
Melting point
100° -2H{2}O
Density
3.250
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in water. Insoluble in alcohol.

Grade Specifications

Maximum level of impurities: Insoluble matter 0.01%, Titratable free base 0.02meq/g, Cl 0.005%, Mo 0.001%, SO4 0.01%, Heavy metals and iron (as Pb) 0.001%

Applications

In organic chemistry, sodium tungstate is used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones. Used in examining the serum protein, serum protein-free filtrate. Used as alkaloid precipitating agent. Used in manufacture of metal tungsten, tungstate and tungsten oxide. Waterproof and fireproof fabric.

Notes

Keep in cool places.

Literature References

Pfeifer, J.; Balázsi, C.; Kiss, B. A.; Pécz, B.; Tóth, A. L. The influence of residual sodium on the formation and reductive decomposition of hexagonal tungsten oxide. Mater. Sci. Lett. 1999, 18 (14), 1103-1105.

Choi, Y.; Sakai, G.; Shimanoe, K.; Miura, N.; Yamazoe, N. Preparation of aqueous sols of tungsten oxide dihydrate from sodium tungstate by an ion-exchange method. Sens. Actuators, B. 2002, 87 (1), 63-72.

GHS Hazard and Precautionary Statements

Hazard Statements: H302

Harmful if swallowed.

Precautionary Statements: P264b-P270-P271-P301+P312-P304+P340-P312-P330-P501c

Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Rinse mouth. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,8698
Harmonized Tariff Code
2841.80
TSCA
Yes
RTECS
YO7900000

Recommended

  • A10792

    Hydrazine sulfate, 99+%
  • A13581

    4-Aminophenol, 98%
  • 11414

    Silver nitrate, ACS, 99.9+% (metals basis)
  • 12314

    Sodium chloride, ACS, 99.0% min
  • 36213

    Ammonium vanadium oxide, ACS, 99.0% min

Recently Viewed

Chemicals

Life Science

Metals & Materials

Catalysts

Analytical & Labware