CAS No 7681-57-4 Na2s2o5 Sodium Metabisulfite Manufacturer

Overview
Classification:Sulphate
Type:Sodium metabisulfite
CAS No.:7681-57-4
Other Names:Sodium metabisulfite
MF:Na2S2O5
EINECS No.:231-673-0
Place of Origin:Shandong, China (Mainland)
Grade Standard:Food Grade
Purity:98% Min
Appearance:White or slightly yellowish
Application:Food
Hs code:28321000
Packaging & Delivery
Packaging Details:external polypropylene woven bag, polyethylene plastic bag inner
25kg/bag,50kg/bag,1000kg/bag
Shipping marks can be customizedDelivery Detail:Shipped within10days after payment
Name:
Sodium metabisulfit
Appearance:
White Free Flowing Fine Crystal or Powder
Specification:
Industrial grade
1) Purity (calculated with Na2S2O5): 96%
2) Iron (Fe): 0.005%
3) SO2: 65%
4) PH value: 4.0-4.6
5)Water insoluble matter: 0.05%
Foodstuff grade
1) Purity (calculated with Na2S2O5): 98%
2) Iron (Fe): 0.0005%
3) Arsenic (As): 0.0002%
4) pH value: 4.0-4.6
5) Water insoluble matter: 0.05%
6) Heavy metal (Cal. in Pb): 0.002%
Package:
25kg, 50kg pp woven bag with plastic lining, or 1000kg per package
Usage:
1.Dye printing mordant.
2.Textile antichlor after being bleached.
3.Reducing agent and sulfonating agent for chemical and medical use.
4.Bamboo, wood, paper fiber bleaching agent, non-ferrous metal ore dressing agent, waste water treating , rubber freezing agent.
RFQ:Q1:Haveyourproductqualitybeenapprovedbythirdparty?
Yes,allproductsarestrictlytestedbyourQC,andapprovedbythirdpartylike SGS.Sowe can gurantee thegoodquality.
Q2:Doyouacceptsampleorder?
Yes,weacceptsmallorderfrom20g,200gand2kgforyourevaluationqualityofourgoods.
Q3:Isfreesamplesavalibale?
Yes,freesamplecouldbeprovided,butshippingcostwillbepaidbycustomers.Q4:Howlongwillyoudeliverthegoodsonboard?
within ten days after order /confirm/iation.ixQ5:Could you mix goods in one container?
Yes,wecanmixdifferentitemsinonecontainer.