USD $3.00-3.00 / Metric Ton
USD $10.00-10.00 / Kilogram
USD $10.00-10.00 / Kilogram
USD $10.00-10.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $5.00-20.00 / Kilogram
USD $3.00-3.00 / Metric Ton
product name: sodium metabisulfite / sodium metabisulphite
molecular weight: 190.10
specification: 25kg woven bag
quality guarantee period: 6 months
· proname: bortezomib
· casno: 179324-69-7
· molecular formula: c19h25bn4o4
· appearance: white or almost white powder
· application: metabolism drug; carcino-chemotherapeu...
· deliverytime: prompt shipment
· package: on request
· port: shanghai,china
· productioncapacity: 200 kilogram/day
· purity: 99%min
· storage: stored in cool and ventilated warehous...
· transportation: by air,sea
· limitnum: 1 kilogram
· related substances: ≤0.1%
· residue on ignition: 1.0%
· heavy metal: ≤20ppm
· valid period: 2 years
· cas no.: 179324-69-7
item |
specifications |
results |
appearance |
white or almost white |
pass |
purity |
≥99.0% |
99.8% |
specific rotation |
-45°~ -55° |
-54.4° |
related substances |
single impurity≤0.10% total impurity≤0.10% |
pass |
residual solvents |
dichloromethane≤0.06% hexane≤0.029% ethyl acetate≤0.5% |
pass |
loss on drying |
≤1.0% |
0.48% |
heavy metals |
≤20ppm |
pass |
conclusion |
the test conforms to the specification of enterprise standard |