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Vegetable fruit Preservative Sodium Sulfite white powder Food Grade SSA 24 Months Shelf Life

Vegetable fruit Preservative Sodium Sulfite white powder Food Grade SSA 24 Months Shelf Life

  • Vegetable fruit Preservative Sodium Sulfite white powder Food Grade SSA 24 Months Shelf Life
  • Vegetable fruit Preservative Sodium Sulfite white powder Food Grade SSA 24 Months Shelf Life
  • Vegetable fruit Preservative Sodium Sulfite white powder Food Grade SSA 24 Months Shelf Life
Vegetable fruit Preservative Sodium Sulfite white powder Food Grade SSA 24 Months Shelf Life
Product Details:
Place of Origin: Hunan
Brand Name: Kemsky
Certification: ISO 9001 SGS
Model Number: vegetable preservative sodium sulfite
Payment & Shipping Terms:
Minimum Order Quantity: 1 metric ton
Price: usd 430 per metric ton
Packaging Details: 25 kgs bag,1000 kgs big bag
Delivery Time: 5-8 days
Payment Terms: T/T , L/C
Supply Ability: 3000 tons per month
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Detailed Product Description
Name: Vegetable Preservative Sodium Sulfite Other Name: Anhydrous Sodium Sulphite Vegetable Preservative
Shelf Life: 24 Months Usage: Preservative For Vegetable And Fruit
Packing: 25 Kgs Plastic Woven Bag CAS NO: 7757-83-7
High Light:

sodium sulfite anhydrous

,

sodium sulfite preservative

 

SODIUM SULPHITE

SODIUM SULFITE ANHYDROUS

FOOD AND TECH GRADE

PRESERVATIVE FOR VEGETABLE AND FRUIT

 

 

96% Anhydrous Sodium Sulfite Na2SO3
1,Stable quality and reasonable price
2,Hot-sell in the global market
3,SGS,BV,CIQ.

96% Anhydrous Sodium Sulfite Na2SO3

 

Appearance: white crystal or powder
Density (g/cm3): 1.561
Solubility: Soluble in water, water solution is alkaline. indissolvable in ethanol
Specification:

 

ITEMS Premium grade
  Super grade First grade Salable product
Sodium sulfite ( Na2SO3 ) , % ≥ 97.0 96.0 93.0
Fe , ≤ 0.003 0.005 0.01
Water insoluble matter , % ≤ 0.02 0.03 0.05
Free alkali ( as Na2SO3 ) , % ≤ 0.10 0.40 0.60
Na2SO4 , % ≤ 2.50 / /
NaCl , % ≤ 0.10 /

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Application:Used in artificial fiber stabilizer, fabric bleach, photographic contrast extravasation, dye bleaching deoxidizer, spices and dye reductant, paper lignin removal agent.

Details

 

Basic information

Product Name: Sodium sulfite
Synonyms: Sodium sulfite anhydrous;SODIUM SULFITE, EXSICCATED;SODIUM SULPHITE;anhydroussodiumsulfite;disodiumsulfite;exsiccatedsodiumsulfite;natriisulphis;natriumsulfid
CAS: 7757-83-7
MF: Na2O3S
MW: 126.04
Product Categories: Inorganic Chemicals;Inorganics;Water Ttreatment Chemicals;Analytical Reagents for General Use;Disulfide Bridge Cleavage Reagents;Denaturation;Synthetic Reagents;ACS GradeBiochemicals and Reagents;Synthetic Reagents;inorganic compound;Paper, glass, printing and dyeing
Mol File: 7757-83-7.mol

 
 

Packing : External packing is PP woven bag, Internal packing is PE bag,25 kgs, 50 kgs, 1000 kgs, and 1250 kgs bag packing.

Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid rain.

 

 

Physical and chemical properties:
White crystalline or powder form; triangular prism crystal shape; alkaline water solution with pH at 9 – 9.5; The highest water solubility is about 28% with temperature at 33.4°C. When exposed to air, it is oxidized to form sodium sulfate. When heated to high temperature, it decomposes to form sodium sulfide; Density: 2.633(15.4°C), Refractive Index: 1.565; Molecular Weight: 126.04.

 

Chemical Properties

 

melting point 500 °C
density 2.63
refractive index 1,484
storage temp. Store at RT.
solubility H2O: 1 M at 20 °C, clear, colorless
Water Solubility 23 g/100 mL (20 ºC)
Sensitive Hygroscopic
Stability Stable. Incompatible with strong acids. Moisture and air sensitive.

Technical specification

Specification

Index name

Analytically pure-AR Chemical pure-CP High purity
Content(Na2SO3) ≥97.0 ≥95.0 ≥96.0
Clarity test Qualified Qualified  
Water insoluble ≤0.005 ≤0.01 ≤0.03
Sulphurous acid( counted by Na2HSO3 ) Qualified Qualified  
Free alkali( counted by Na2CO3 ) ≤0.1 ≤0.3 ≤0.5
Chloride(Cl) ≤0.005 ≤0.02 ≤0.05
Thiosulfuric acid(S2O3) ≤0.01 ≤0.02 ≤0.04
Ferrum(Fe) ≤0.0005 ≤0.002 ≤0.003
Heavy metal(counted by Pb) ≤0.001 ≤0.002 ≤0.003
Arsenic(As) ≤0.0001 ≤0.0005 ≤0.001
 

 

 

Specification:

Anhydyous sodium sulphite
English name Anhydyous sodium sulphite
Molecular formula Na2SO3
Technical specifications High purity grade Refined grade Photographic grade Industrial grade Industrial grade Industrial grade
Sodium sulfite Sodium sulfite Sodium sulfite High-class product High-class product First grade product
Na2SO3 ≥ % 98 98 97 98 97 96
Fe ≤ % 0.0005 0.002 0.005 0.003 0.003 0.005
Water insoluble ≤ % 0.005 0.01 0.05 0.02 0.02 0.03
Free alkali ≤ % 0.1 0.3 0.15 0.1 0.1 0.4
Sodium sulfate ≤ % 1.5 1.5 1.5 2.5
Sodium chloride ≤ % 0.005 0.02 0.01 0.1
Heavy metal on Pb≤ % 0.001 0.002 0.002
As ≤ % 0.0001 0.0005
Sodium thiosulfate ≤% 0.01 0.02 0.03
Aqueous solution appearance Qualified Qualified Qualified
Reaction of silver nitrate ammonia solution Qualified
 

 

 

 

When producing Sodium sodium metabisulfite(SMBS), during the manufacture process there is SO2 gas can come from sulphur, pyrite, hydrogen sulfide incineration or other tail gas problem and waste treatment control .

 

 

Vegetable fruit Preservative Sodium Sulfite white powder Food Grade SSA 24 Months Shelf Life 0

Contact Details
NINGBO SOURCECHEM CO.,LTD

Contact Person: Ms.xie

Tel: +8613975090964

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