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Sodium Sulfite Na2So3

(2.5)
GOLD Member
Supplier From Canada
Feb-19-25

Commodity:Sodium sulfite
Molecular Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white or light yellow crystalline powder

Item Value
Top-grade First grade Qualified product
sodium sulfite (Na2SO3),% 98.0, 96.0, 93.0
Fe,% 0.003 0.005 0.02
water-Insoluble ,% water-Insoluble ,% 0.02, 0.03, 0.05
Free alkali(as Na2SO3),% 0.10, 0.40, 0.80
Sulfate(as Na2SO4),% 2.5
Chloride(as NaCl),% 0.10

Uses: used in leather and tannage, plant bleaching agent, reductant

Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.

Net weight: 25,50,1000kilograms per bag or following your demand.

Price and Minimum Quantity

Price: $00
MOQ: Not Specified
Production Capacity: 1000
Packaging: Buyer Request
Sample: Available. Sample Cost Born By Buyer
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More Items Similiar to: Sodium Sulfite Na2So3

GOLD Member
Feb-02-18
Sodium sulfite Na2SO3

Sodium Sulfite Na2So3

(4.9)
$400
MOQ: 20  Tons (UK)
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Chemicals & Allied Products
 
Commodity:Sodium sulfite
Molecular Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white or light yellow crystalline powder

Item Value
Top-grade First grade Qualified product
sodium sulfite (Na2SO3),% 98.0, 96.0, 93.0
Fe,% 0.003 0.005 0.02
water-Insoluble ,% water-Insoluble ,% 0.02, 0.03, 0.05
Free alkali(as Na2SO3),% 0.10, 0.40, 0.80
Sulfate(as Na2SO4),% 2.5
Chloride(as NaCl),% 0.10

Uses: used in leather and tannage, plant bleaching agent, reductant

Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.

Net weight: 25,50,1000kilograms per bag or following your demand.
Jul-09-10
Sodium sulfite

Sodium Sulfite

(1.3)
$370
MOQ: Not Specified
  Shanxi Tianyuxinyuan Chemicals Co., Ltd.
Supplier From Shanxi, Taiyuan, China
Supplier Of Water Treatment Chemicals
 
Name: sodium sulfite
CAS NO :7757-83-7
Grade: industrial grade, food grade
Molecular formula : Na2SO3
Molecular weight: 126.04
Appearance : white crystalline powder
Quality standard: HG/T 29672000
Packing: Net Weight 25kg or 50kg/plastic woven sack with PE inner-bag, 20MT/20fªFCL
Sepcification:
Index name Premium grade
Super grade First grade Salable product Industrial grade
Sodium sulfite ( Na2SO3 ) , % fª 97.0 96.0 93.0 90.0
Fe , f_ 0.003 0.005 0.01 /
Water insoluble matter , % f_ 0.02 0.03 0.05 /
Free alkali ( as Na2SO3 ) , % f_ 0.10 0.40 0.60 /
Na2SO4 , % f_ 2.50 / / /
NaCl , % f_ 0.10 / / / .

Packing: double-layer plastic woven bag.
Uses: bleaching agent for paper pulps; waste water treatment; reducing and sulphonating agent for chemical synthesis; bleaching agent for textiles; color striper and deoxidization; floating agent for mining; auxiliary chemical in tanning process.



Packing: Net Weight 25kg or 50kg/plastic woven sack with PE inner-bag, 20MT/20fªFCL.
GOLD Member
Jan-22-25
Sodium Sulfite

Sodium Sulfite

(1.8)
Ask for price
MOQ: 5000  Kilograms
Sample Available
  Shanti Inorgochem (Guj) Pvt. Ltd.
Supplier From Ahmedabad, Gujarat, India
Supplier Of Industrial Chemicals
 
SODIUM SULFITE / SULPHITE (NA2SO3)

Varied range of sodium sulphite uses-
-In the production of pulp
-In the sulfidization of tanning extract
-In the production of shampoo and trinitrotoluene (TNT)
-An antichlor in water treatment
-A moderate reducing agent in the production of chemicals and drugs
-A preservative in natural latex rubber and photography
-An oxidant, enzyme inhibitor, and anti-microbial agent in the food industry
-As a solvent in the fibre industry.

Pulping agent
This product is used in the production of chemi-mechanical, chemi-thermomechanical and sulphite pulp. It is a white granular product that is readily soluble in water.
Oxygen scavenging and chlorine removal
This product is used in steam boiler water treatment to remove dissolved oxygen and to remove excess chlorine from wastewater. It is a white granular product that is readily soluble in water.
Solubilizing agent
This product is used as a solubilizing agent in vegetable tanning. It is a white granular product that is readily soluble in water.
Reducing and sulfonating agent
This product is used as a sulfonating agent and reducing agent in chemical process with significant applications for surfactants and polymerization. It is a white granular product that is readily soluble in water.
Reducing agent for dyes
This product is used in the textile industry as as reducing agent for dyes. It is a white granular product that is readily soluble in water.
Chrome and metals reduction
This product is used to reduce chrome and other metals. It is a white granular product that is readily soluble in water.

Product data and typical properties
Formula: Na2SO3Molecular
Weight: 126.04pH of 5% Solution: 10.1
Bulk Density, lb/ft3: 95
Odorless free flowing, white to pale yellow granular crystal that is soluble in water.
GOLD Member
Oct-14-24
Sodium Sulfite Anhydrous FCC

Sodium Sulfite Anhydrous Fcc

(2.5)
$800
MOQ: 27  Metric Tonnes
  BMD Materials
Supplier From North York, Ontario, Canada
Supplier Of Industrial Chemicals
 
It is primarily used in pulp and paper industry. It is used as an oxygen scavenger agent , in the photographic industry to protect developer solutions from oxidation, in textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent and in leather trade for the sulfitization of tanning extracts. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergent. It is mainly used in medicine, tannage and tanning.
Sodium Sulfite Food Grade

WC Code: 19-047-02
Sales Specification

Appearance: White Powder
Na2S2O3: 97.0% Min
Sodium Sulphate: 2.5% Max
Iron (Fe): 0.002% Max
Water Insoluble: 0.02% Max
Free Alkali (Na2CO3): 0.3% Max
As: 0.0002% Max
Heavy Metal (Pb): 0.001% Max
Packing

50 lb paper bag , 44 bags per pallet
Jul-08-21
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Supplier From Weifang, Shandong, China

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magnesium oxide (mgo)
magnesium hydroxide mg(oh)2
magnesium sulfate (mgso4)
poly aluminium chloride al2cl(oh)5 (other name : pacï¼?
zinc sulfate ï¼?znso4ï¼?
citric acid ï¼?c6h8o7ï¼?
sea salt

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Dec-28-17
(4.9)
Supplier From Lianyungang, Jiangsu, China

Supplier: Salt and salt chemicals, sodium chloride (salt), sodium sulphate, sodium sulfite, sodium bisulfite, sodium carbonate (soda ash), sodium metabisulphite

Supplier Of Chemicals & Allied Products   |   Soda Ash   |   Caustic Soda   |   Industrial Chemicals   |   Salt
GOLD Member
Mar-05-25
Sodium Sulfite (Anhydrous)

Sodium Sulfite (Anhydrous)

(3.1)
Ask for price
MOQ: Not Specified
  Jungin
Supplier From Seongnmam, Gyeonggi-do, South Korea (Republic Of Korea)
Supplier Of Industrial Chemicals
 
Sodium Sulfite (Anhydrous)
GOLD Member
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Calcium Thiosulfate

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(4.9)
$480
MOQ: Not Specified
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Industrial Chemicals
 
Calcium thiosulfate solution
CAS NO .: 10124-41-1
Molecular formula: Ca2S2O3
Molecular weight: 152.208
Physical and chemical properties: colorless transparent liquid, non-dangerous goods
Use: used in medicine, agriculture and other fields
Packing:1240kg IBC drum

Product specifications:
Appearance Clear transparent liquid
Content Ca2S2O3 % 24%
S 12.4
Lead ppm 1
Mercury ppm 1
Iron ppm 0.01
pHï¼ 20 6.5-9.0
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Avobenzone

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Specification Quality standard: USP36
Appearance Off-white powder
Assay 95.0-105.0%
Melting range 81.0~86.0
Impurities
Any individual impurity: 3.0%
The sum of all of the impurities: 4.5%
Loss on drying 0.5%

Packaging and storage: 1kg/aluminum foil bag. 25kg/barrel, pharmaceutical packaging barrel. Sealed, stored in dark, with a shelf life of 2 years.

Reference dosage:
The hygiene standards for cosmetics stipulate that the maximum amount added shall not exceed 5%, and the general dosage is 1-4%.

Usage:
Sunscreen agent-1789 is the most effective fat soluble UVA filter and is a safe and effective UVA sunscreen approved by the US FDA for sale on the counter. It can effectively block UVA, thereby increasing the SPF value of sunscreen products. It can improve the efficacy of sunscreen products when used in combination with UVB filters, and BL-200 has the best effect when used in combination with octyl methoxycinnamate. BL-200 can increase its stability in the product. It has an extremely effective protective and repairing effect on human skin.

Application:
This product is soluble in oil and can be formulated into a cream using the usual method. However, the product turns red when it encounters metal ions, so other components such as formula water should not introduce metal ions. The equipment should be made of pure stainless steel, and an appropriate amount of EDTA-2Na should be added to the formula water phase to chelate with metal ions.
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