Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7

Model NO.
food /tech grade
Appearance
Powder
Grade Standard
Industrial Grade
Loading Port
Qingdao
Delivery
15days
Loading Port 2
Shanghai
M G
126.04
Store
Dry and Cool Place
Transport Package
25kg/Bag
Specification
food/ feed / tech grade
Trademark
JK
Origin
China
HS Code
283210
Production Capacity
3000mt/Month
Reference Price
$ 4.50 - 13.50
Contact Us

Product Description

Name: Sodium Sulfite
Chemical formula: Na2SO3
Physical appearance: White crystalline powder.
Quality standard: HG/T 2967-2000
Description: Application:
1>Bleaching agent for paper pulps ;
2>Waste water treatment;
3>Reducing and sulphonating agent for chemical synthesis ;
4>Bleaching agent for textiles;
5>Colors stripper and deoxidization ;
6>Floating agent for mining industry;
7>Auxiliary chemical in tanning process .


Package:
1>25kg/50kg compound plastic woven bag with inner polythene liner ;
2>1000kg Jumbo bags;
3>Any other particular requirements to the package can be discussed.

Shelf Life: one year.

Storage & handling:
1>Store the product in a cool and dry place;avoid contact sunshine;
2>Water and moisture;
3>Avoid contact with strong acid,oxidants or poisonous substances;
4>Exposure to moisture will make it oxidze easily to sodium sulphate;
5>Not store it for a long time.

Product Specification:
ITEM                                        FOOD GRADE  TECH GRADE  TECH GRADE
Na2SO3                                          >97%             >96%                    >93%
FREE ALKALI                               <0.1%            <0.4%                   <0.4%
IRON                                              <0.00%2         <0.005%              <0.005%
WATERINSOLUBLE MATTER     <0.02%           <0.05%                <0.05%
SODIUM SULFATE(Na2SO4)       <2.5%            ---------              ----------
NACL                                              <0.1%            ----------              ---------
 


Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7
 
Sodium sulfite Basic information
Description   Uses   References
Product Name: Sodium sulfite
Synonyms: anhydroussodiumsulfite;disodiumsulfite;exsiccatedsodiumsulfite;natriisulphis;natriumsulfid;natriumsulfit;natriumsulfurosum;sodiumsulfite(2:1)
CAS: 7757-83-7
MF: Na2O3S
MW: 126.04
EINECS: 231-821-4
Product Categories: Paper, glass, printing and dyeing ; inorganic compound ; Inorganic Chemicals ; Inorganics ; Analytical Reagents for General Use ; Puriss p.a. ; Essential Chemicals ; Inorganic Salts ; Synthetic Reagents ; Disulfide Bridge Cleavage Reagents ; AlphabeticalBiochemicals and Reagents ; Biochemicals and Reagents ; Denaturation ; Q-S, Puriss p.a. ; Water Ttreatment Chemicals ; Reagent Grade ; Routine Reagents ; Disulfide Bridge Cleavage ReagentsSynthetic Reagents ; ACS GradeBiochemicals and Reagents
Mol File: 7757-83-7.mol
 
 
Sodium sulfite Chemical Properties
Melting point  500 °C
density  2.63
refractive index  1,484
storage temp.  Store at +5°C to +30°C.
solubility  H 2 O: 1 M at 20 °C, clear, colorless
form  Solid
Specific Gravity 2.633
color  White to slightly yellow
Odor Odorless
PH 9.0-10.5 (25ºC, 1M in H2O)
PH Range 9.0 - 10.5 at 126 g/l at 25 °C
Water Solubility  23 g/100 mL (20 ºC)
Sensitive  Hygroscopic
Merck  14,8682
Stability: Stable. Incompatible with strong acids. Moisture and air sensitive.
CAS DataBase Reference 7757-83-7(CAS DataBase Reference)
NIST Chemistry Reference sodium sulfite(7757-83-7)
EPA Substance Registry System Sodium sulfite (7757-83-7)








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Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7 Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7
FAQ
Q1.What's the payment terms?
We could accept T/T, L/C, DP payment terms.

Q2.How about the different index of products in same application?
Specifications can be customized according to your application.

Q3.How about the samples of products?
We can provide free samples under 2Kg(not including freight charge).

Q4.How about the price of products?
Our products are chemical synthesis got from underground brine, which is available for a variety of usage. Our products are high  purity with good quality, and the price is based on different specification and quantity.

Q5.What's the shelf life for the cargoes?
Our product's shelf life is 2 years, which is based on dry and ventilated storage.

Q6.What's the package of the cargoes?
20kg/25kg woven bags, within plastic bags, or as customized.

Q7.What's the delivery time?
We usually deliver the cargoes within 10~20 days after receiving customer's payment or original L/C.

Q8.Which documents can we supply?
Commercial Invoice, Packing List, Certificate of Analysis, Certificate of Origin (FORM E), Bill of Loading, ISO etc.
The documents will be sent by Express within 24 hours against your full payment.

Q9.Why do you choose us?
We accept safe and diversified payment terms.
We supply a price trend to ensure clients know marketing information in time. We will take charge of 100% responsibility for
quality issue. We strive to create value for each customer we serve by meeting their unique needs and providing solutions to solve their problems and achieve their objectives.




Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7 Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7 Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7 Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7 Sodium Sulphite Anhydrous 96% CAS No. 7757-83-7


 

 

Sulfate

PNEUTEC.IT, 2023