Molecular Formula: Na2S2O5 96.5%min
Molecule Weight: 190.10
1. Sodium metabisulfite (Industry Grade)
Other name: sodium pyrosulfite
Molecular Formula: Na2S2O5
Molecule Weight: 190.10
Appearance: White or light yellow crystalline power
Quality Standard: GB 1893-2008
Cas No.:7681-57-4
Item | Index |
Content(Na2S2O5) | 96.5%min. |
Fe | 0.005%max |
Water-insoluble | 0.05%max |
As | 0.0001%max |
Main uses:
Mordant of textile after bleaching;
Treatment agent of waste water;
Sulphonated agent and reducer of chemical industry and pharmacy;
Bleach of paper pulp, bamboo and timber bleach of stapk;
Rubber solidifying agent Perfume industry is served as hydrocarbon perfume aldehyde;
The hide profession employ to do to molt dose and pliable dose and wearproof dose;
The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on;
Packaging: 25,50,1000 kg/bag or according to customer’s request, in plastic woven bags, or Complex paper bag, Kraft bag
2. Sodium metabisulfite (Food Grade)
Other name: sodium pyrosulfite
Molecular Formula: Na2S2O5
Molecule Weight: 190.10
Appearance: White or light yellow crystalline power
Quality Standard: GB 1893-2008
Cas No.:7681-57-4
Item | Index |
Content(Na2S2O5) | 96.5%min. |
Fe | 0.003%max |
Clarity | Pass the experiment |
As | 0.0001%max. |
Heavy Metal | 0.0005%max. |
Main uses:
Bleaching agent (such as candy, cake, dried slices of tender bamboo shoots etc.); Loosening agent (such as bread, biscuits etc.), preservative, disinfector (such as jam and can etc.); Antioxidant, antistaling agent (such as seafood, fruits, vegetables etc.)
Packaging: 25,50,1000 kg/bag or according to customer’s request, in plastic woven bags, or Complex paper bag, Kraft bag
