Welcome to Ulida Chemical Limited！
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Send mail sales@ulidachem.com
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AM:9:00 —— PM:17:30 022-25282318
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Welcome to Ulida Chemical Limited！
Send mail sales@ulidachem.com
AM:9:00 —— PM:17:30 022-25282318
Sodium Hyrosulphite 90%
Fomula: Na2S2O4
CAS No: 7775-14-6 CLASS: 4.2 UN NO: 1384
Appearance: White Crystal Powder
Specification:
Assay： | 90%Min |
Na2CO3: | 6%Max |
Na2S2O3: | 1%Max |
Na2S2O5: | 5.5-7.5% |
Na2SO3: | 1.0%Max |
Fe: | 20ppm Max |
Water Insoluble: | 0. 05%Max |
Package: 50kg Drums with PE liner.
Usage：widely used in texitle,paper,kaolin clay,mineral industry,also reducing agent in chemical industry.
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