Sodium Sulfite Anhydrous 7757-83-7 CAS NO.7757-83-7

Min.Order: 100 Gram
Payment Terms: T/T,

Product Details

Keywords

7757-83-7
Sodium Sulfite
Na2SO3

Quick Details

ProName: Sodium Sulfite Anhydrous 7757-83-7
CasNo: 7757-83-7
Molecular Formula: Na2SO3
Appearance: white powder
Application: Used as a pharmaceutical intermediates...
DeliveryTime: 2-4 days after confirming your payment...
PackAge: 100g/ bag, 2 kg/ bag, 25kg/ carton or ...
Port: Wuhan
ProductionCapacity: 20000 Kilogram/Day
Purity: 99%
Storage: Store in sealed containers at cool & d...
Transportation: By DHL, TNT, FedEx, HKEMS, UPS, Etc
LimitNum: 100 Gram

Superiority

1. Guaranteed purity;

2. Large quantity in stock;

3. Largest manufacturer;

4. Best service after shipment with email;

5. High quality & competitive price;

Details

Sodium Sulfite Anhydrous 7757-83-7

Property: white gravel or powder crystal,relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform,solasulfone and Benzaldehyde in medical industry.

Molecular Formula : Na2SO3

Molecule Weight : 126.04

CAS NO .: 7757-83-7

Appearance : White Free Flowing Fine Crystal or Powder

Specification for Industry Grade and Food Grade :

Item	Quality Index
Item	Industry Grade	Food Grade
Purity ( As Na2SO3)	96.0% min	98.0% min
Sodium sulphate ( SO4)	2.5% max	1.5% max
Chlorides ( As NaCL)	0.5% max	0.1% max
Arsenic ( As )	-	0.0002% max
Heavy metals ( As Pb )	-	0.0005% max
Iron (Fe)	0.005% max	0.002% max
Water insolubles	0.05% max	0.02% max

Specification For Photo Grade and Pharmaceutical Grade

Item	Quality Index
Item	Photo Grade	Pharmaceutical Grade
Purity ( As Na2SO3)	98.0% min	98.0% min
Sodium sulphate ( SO4 )	1.5% max	1.5% max
Chlorides ( As CL-)	0.05% max	0.05% max
Arsenic ( As )	0.0002% max	2ppm max
Lead ( As Pb)	0.0005% max	2ppm max
Iron (Fe)	0.001% max	5ppm max
Selenium ( Se)	0.0001% max	1ppm max
Zinc ( Zn)	0.0001% max	1ppm max
Copper ( Cu )	0.0001% max	0.1ppm max
Mercury ( Hg)	0.0001% max	0.1 ppm max

Application :

(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.

(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.

(3) Photo Grade: In the photographic industry as component of developer bath .

(4) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehydephenylpropanoid Sulfone

Packing: Packed in 25kg plastic woven bag, Kraft paper bag, PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer’s requirement

Storage: Store the product in a dry and cool place.

Advantages:

Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is our philosophy. We have Flexible and Untraceable payment terms. As a leading manufacture, our products have been exported to Germany, Norway, Poland, Finland, Spain, UK, France, Russia, USA, Brazil, Mexico, Australia, Japan, Korea, Thailand, Indonesia, Uruguay and many other countries.

1. Quality.Every batch of steroid powders have tobetested by our QC(quality control) before they are allowed to sell.

2. Delivery We have stock, so we can delivery quickly at the very day when receive the payment. Within 24 hours after receiving the payment Lead time 4 or 7 days.

3. Discreet package Safelyand Professionally Disguised Package Guaranteed. For your safety and to insure delivery all products will be packed in a discreet way to prevent any suspicions, no steroids related name will appear on the parcels. high successful delivery rate.

4. Warm after-sale service Any of your question would be solved for the first as soon as possible.