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Tungsten trioxide

Cas:
1314-35-8
MDL:
MFCD00011466
Molecular Formula:
WO3
Molecular Weight:
231.85
Alias:
三氧化钨/纳米氧化钨 ;氧化钨,钨酸酐
Product order:
Name Specifications Packing Price Delivery
Tungsten trioxide 99.8% metals basis 25g RMB 73.7 Consulting service
Tungsten trioxide 99.8% metals basis 100g RMB 198 Consulting service
Tungsten trioxide 99.99% metals basis 250g RMB 2833.6 Consulting service
Tungsten trioxide 99.99% metals basis 50g RMB 974.6 Consulting service
Tungsten trioxide 99.8% metals basis 500g RMB 863.5 Consulting service
Tungsten trioxide 比表面积15m2/g, 50nm,99.9% 100g RMB 418 Consulting service
Tungsten trioxide 比表面积15m2/g, 50nm,99.9% 25g RMB 125.4 Consulting service
Tungsten trioxide 99.99% metals basis 10g RMB 231 Consulting service
Tungsten trioxide SP 10g RMB 105.6 Consulting service
Character:
对湿敏感。加热时颜色由浅变深,变为深橙色,冷后仍恢复原色。溶于氢氧化碱溶液,微溶于酸,不溶于水。最小致死量(大鼠,经口)840mg/kg。有刺激性。850℃时显著升华,熔融时呈绿色。在空气中稳定,不溶于水和除氢氟酸外的无机酸,能缓慢溶于氨水和浓热氢氧化钠溶液中。
Storage:
对湿敏感,密封保存。
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