Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite
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Product Highlights
- High Purity Options: Available in 85%, 88%, and 90% purity grades for diverse industrial needs.
- Versatile Applications: Widely used in textile bleaching, paper deinking, food processing, and water treatment.
- Food Grade Certification: Functions as E223 food additive for bleaching starches and sugars with strict safety compliance.
- Customizable Marking: Product markings can be customized to meet specific client branding requirements.
- ISO Certified Quality: Manufactured under ISO standards with comprehensive COA and MSDS documentation provided.
- Flexible Packaging: Available in 50kg drums with palletized options of 18MT or 22MT per container.
- Multiple Port Options: Shipped from Qingdao, Tianjin, or Shanghai to accommodate global logistics needs.
- Fast Lead Time: Off-season delivery within 15 workdays; peak season lead time is one month.
Product Attributes
- CAS No.
- 7775-14-6
- Formula
- Na2s2o4
- EINECS
- 231-890-0
- Model NO.
- CAS NO. 7775-14-6
- Certification
- ISO
- Purity
- 80%~90%
- Type
- Sodium Hydrosulfite
- Appearance
- Powder
- Grade Standard
- Industrial Grade
- Port of Loading
- Qingdao, Tianjin, Shanghai
- Certificate
- ISO COA MSDS
- Un No.
- 1384
- Dangerous Class
- 4.2
- Storage
- Cool Dry Place
- Molecular Weight
- 174.11
- Quantity
- 22mt/20'fcl
- Application
- Textile/Metallurgica/Medicine-Making/Papermaking
- Other Name
- Sodium Dithionite
- Classification
- Sulphate
- Density
- 2.189 G/Cm³
- Melting Point
- 52-55 ºC
- Water Soluble
- Easily Soluble in Water, Insoluble in Ethanol
- Odor
- No or Light Sulfurous Acid
- Mark
- Customizable
- Transport Package
- 50kgs Drum
- Specification
- 85% 88% 90%
- Trademark
- Shandong Pulisi
- Origin
- China; Shandong
- HS Code
- 2831101000
- Production Capacity
- 4000 Tons/Month
Product Images of Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite
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Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite -
Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite -
Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite -
Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite -
Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite -
Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite -
Na2s2o4 Food Grade Pure White Powder 85% 88% 90% Sodium Dithionite Sodium Hydrosulfite
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Product Description
|
Product Name
|
Sodium Hydrosulphite/Sodium Hydrosulfite
|
Purity
|
85% 88% 90%
|
|
CAS NO.
|
7775-14-6
|
Appearance
|
White Crystal Powder
|
|
MF
|
Na2S2O4
|
HS Code
|
2831101000
|
|
EINECS NO.
|
231-890-0
|
UN NO.
|
1384
|
|
SODIUM HYDROSULFITE 85%
|
||
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Sodium Dithionite ITEM
|
STANDARD
|
TESTING RESULT
|
|
Purity(wt%)
|
85min
|
85.84
|
|
Na2CO3(wt%)
|
3-4
|
3.41
|
|
Na2S2O3(wt%)
|
1-2
|
1.39
|
|
Na2S2O5(wt%)
|
5.5 -7.5
|
6.93
|
|
Na2SO3(wt%)
|
1-2
|
1.47
|
|
Fe(ppm)
|
20max
|
18
|
|
Water lnsoluble
|
0.1
|
0.05
|
|
HCOONa
|
0.05max
|
0.04
|
|
Appearance
|
White crystalline powder
|
|
|
Odor
|
No or light sulfurous acid
|
|
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SODIUM HYDROSULFITE 88%
|
|||||
|
Na2S2O4%
|
Water insolubles%
|
Heavy Metal Content(ppm)
|
Na2CO3%
|
Fe(ppm)
|
Zn(ppm)
|
|
88 MIN
|
0.05MAX
|
1MAX
|
1-5.0
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20MAX
|
1MAX
|
|
88.59
|
0.043
|
0.34
|
3.68
|
18
|
0.9
|
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APPRIENCE:WHITE CRYSTALLINE POWDER
|
|||||
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ODOR: ORDORLESS OF SULFUR DIOXIDE
|
|||||
Sodium Hydrosulfite USES
1. Textile Industry
Serves as a primary bleaching agent for fabrics like cotton, linen, and viscose, especially in vat
dyeing and sulfur dyeing processes. sodium hydrosulfite removes natural pigments and impurities to achieve a pure base color.
Acts as a reducing agent in dyeing operations, converting insoluble vat dyes into soluble leuco
forms that can penetrate textile fibers, then reverting to insoluble forms after oxidation to fix colors.
Used for decolorization and stripping of dyed fabrics, helping correct dyeing defects or achieve
special color effects.
2. Pulp and Paper Industry
Applied in mechanical pulp bleaching to whiten wood pulp without excessive fiber damage,
maintaining pulp strength while improving brightness.
Aids in deinking of recycled paper, breaking down and removing printing inks and dyes from
waste paper fibers to produce high-quality recycled pulp.
3. Sodium hydrosulfite Food Industry
Functions as a food additive (E223) for bleaching starches, sugars, and food pigments. Sodium Dithionite brightens the appearance of products like wheat flour, cornstarch, and crystalline sugar.
Acts as an antioxidant to prevent oxidation of food components, extending the shelf life of certain
processed foods (usage is strictly regulated by food safety standards).
4. Water Treatment
Reduces harmful substances such as chromate in industrial wastewater, converting toxic
hexavalent chromium to less toxic trivalent chromium for easier removal.
Helps degrade azo dyes in dyeing wastewater, reducing water pollution from textile manufacturing.
5. Other Fields
Used in the chemical synthesis of pharmaceuticals, dyes, and organic compounds as a reducing
agent.
Applied in the restoration of cultural relics, such as removing discoloration from old paper or
textiles caused by oxidation.
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Packing
|
Quantity
|
|
50KGS Drum
|
22MTS
|
|
Palletized 50KGS Drum
|
18MTS
|
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2551352". Items marked "
" are certified.
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Company Profile
Shandong Pulisi Chemical Co., Ltd. Was established in 2006. We take "Industrial and mining chemical raw material supply and service provider" as our corporate philosophy and insist on "focusing on quality chemical development". Our main products are formic acid, sodium formate, calcium formate, acetic acid, sodium sulfide, sodium hydrosulfide, PVC resin, propionic acid, methylene chloride, melamine powder, ethanol, and so on. The products have passed SGS, BV, FAMI-QS and other certifications and tests. The company implements standardized and standardized corporate management, and has passed ISO9001: 2015 quality management system certificate and German BV field certificate. In 2018, we won the honorary title of "Advanced Unit for Export-oriented Economic Work" by the local government; In 2018, we were awarded the title of ****** Northern Region Demonstration Base; In 2019, we won the title of "Excellent Integrity Enterprise" in Zibo City.
The company now has two subsidiaries: Zibo Anhao Chemical Co., Ltd. And China Changrui Co., Ltd. In recent years, we have actively promoted the transformation of product strategy, continuously improved our supply chain management capabilities and new product supply capabilities, steadily based on the domestic market and exported to more than 100 countries and regions, such as Europe, America, Southeast Asia, and the Middle East, and by virtue of our outstanding value attitude, we have established long-term and stable cooperative relations with many well-known companies in the world.
Currently, we operate supply chain service warehouses covering thousands of acres at Qingdao Port, Tianjin Port, Shanghai Port, and Zibo Free Trade Zone, ensuring efficient and rapid delivery for our customers.
By partnering with us, you can enjoy multiple layers of assurance! We provide complete COA/MSDS documentation free of charge and also support third-party testing. Should any technical issues arise, our professional team is always ready to offer application solutions.
We always adhere to "Create value for customers, make customers' products better" as our responsibility, take reputation as our basis, take service as guarantee, look forward to strengthening cooperation with partners to create a better future!
(Solemnly declare: Except for the above two subsidiaries, Shandong Pulisi Chemical Co., Ltd. Has not established a branch outside Shandong Province. If anyone pretends to be a branch of Shandong Pulisi Chemical Co., Ltd., our company will retain the right of legal prosecution.
About Our Factory & Business Background
- Address
- Shandong Zibo Zhangdian 1-803, 8th Floor, Building 11, Hongtai Jiayuan, No. 163 Xincun West Road. Mashang Subdistrict Office
-
Plant Area
- 700 square meters
-
Registered Capital
- 5,955,555 RMB
- Terms of Payment
- LC, T/T, PayPal, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Qingdao, Tianjin, Shanghai
Our Production Capability & Technical Expertise
- Main Products
- Sodium Formate, Calcium Formate, Acetic Acid, Formic Acid, Sodium Sulphide, Sodium Hydrosulphide, Potassium Formate, Propionic Acid, Oxalic Acid, Melamine Powder
-
Test Reports for Raw Materials
- Others
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2006-10-11
- Export Year
- 2006-10-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 80%~100%
FAQ
- Is this product suitable for food applications?
- Yes, it functions as food additive E223 for bleaching starches and sugars, strictly regulated by safety standards.
- What are the main industrial uses?
- It is primarily used in textile bleaching, paper deinking, food processing, and wastewater treatment.
- What is the packaging specification?
- Packed in 50kg drums, with 18MT or 22MT per palletized container.
- What are the lead times for delivery?
- Off-season lead time is within 15 workdays, while peak season requires one month.
- Which ports are available for shipment?
- We ship from Qingdao, Tianjin, and Shanghai ports.
- What certifications are provided?
- We provide ISO certification along with COA and MSDS documents.
- Can the product marking be customized?
- Yes, the product marking is customizable according to client requirements.
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