Physicals Solid. (Crystals solid or Powdered solid). odor of sulfur dioxide, taste is not available.White to yellowish.
Specification
ITEM
SPECIFICATION
PURITY (AS Na2S2O5):
96.0% MIN
ARSENIC (AS) :
-------------
HEAVY METAL (AS Pb) :
WATER INSOLUBLE :
0.05%MAX
IRON (Fe) :
0.005%MAX
PH VALUE:
4.0—4.6
Application It is widely used in leather tanning ,cloth knitting ,organic matters blanching , mordants ,food preservation, brewing ,sterilization and antisepsis of beverage, synthetic organic reducers for photography ,rubber coagulators and spices. Packaging 25kgsplasttic woven bag or 1000kgs bag ,1100kgs bag Storage: Keep container tightly closed. Keep container in a cool, well-ventilated area. Moisture sensitive. Air Sensitive Notice Keep locked up.. Do not ingest. Do not breathe dust. Avoid contact with skin. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the container or the label. Keep away from incompatibles such as oxidizing agents, acids.
HS:28321000
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