What certifications does the product hold?

The product is ISO certified and complies with relevant industrial and food safety standards such as GB 22215 and GB2760.

Sodium Hydrosulfite 88% Sodium Dithionite for Paper Pulp Deinking and Bleaching Processes

Name: Sodium Hydrosulfite 88% Sodium Dithionite for Paper Pulp Deinking and Bleaching Processes
Brand: Shenyang Xingzhenghe Chemical Co., Ltd.
SKU: 2115950082

Liaoning, ChinaShenyang Xingzhenghe Chemical Co., Ltd.

US$1,300.00

22-49 Tons

US$1,250.00

50-99 Tons

US$1,200.00

100+ Tons

Sample price:US$50.00/kg.Request sample

Product profile

Customization

Available

CAS No.

7775-14-6

Formula

Na2s2o4

Model NO.

Sodium Hydrosulfite

EINECS

231-890-0

Certification

ISO

Purity

80%~90%

Type

Sodium Hydrosulfite

Appearance

Powder

Grade Standard

Industrial Grade

Product Appearance

White Crystalline Powder

Odor

Odorless or Slight Sulfur Dioxide Odor

Relative Density (Water = 1)

2.3-2.4

Bulk Density

0.9-1.2 G/Cm³

Auto-Ignition Temperature

250 Celsius Degree

Main Content

≥ 85% - 88%

Sulfate (as So4)

≤ 2.5%

Water Content

≤ 0.5%

Particle Size

> 100 μm: ≤ 5%

Heavy Metals (as Pb)

≤ 10 Ppm

Solubility

Readily Soluble in Water; Insoluble in Alcohol

Stability

Stable in Dry, Sealed Containers

MOQ

18 Ton

Trade Term

EXW/Fob/CFR/CIF

Lead Time

10 to 15 Days After Order Confirmation

Transport Package

15kg/25kg/50kg/100kg Drum/Bag

Specification

Sodium Hydrosulfite 88%

Trademark

XZH

Origin

China

HS Code

2831101000

Production Capacity

50000t/Year

Key features

High Purity Industrial Grade: Purity ranges from 80% to 90%, meeting strict industrial standards.

Versatile Industrial Applications: Essential for textile bleaching, paper deinking, and food preservation.

Strong Reducing Agent: Potent inorganic reducing agent with excellent stability in dry conditions.

Flexible Packaging Options: Available in 15kg, 25kg, 50kg, and 100kg sealed iron drums.

Global Export Capability: Exported to East Asia, Southeast Asia, Middle East, and North America.

Secure Payment Terms: Supports T/T and Irrevocable L/C at sight for secure transactions.

Comprehensive Technical Support: Provides application testing, process optimization, and formulation development.

Certified Quality Assurance: ISO certified with strict quality-assurance systems and test reports.

Company profile

Years of Export ExperienceExperienced TeamExhibition ExperienceFast Delivery

Shenyang Xingzhenghe Chemical Co., Ltd.

Liaoning, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Dalian PortAverage Response Time: ≤2.23h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory and limited company in Shenyang, with five employees and a wholesale and retail industry classification. It holds a valid import and export license, has 16 years of export experience, and offers multiple trade terms. Customization services are available, including customization from designs and samples, while OEM services for well-known brands are reported. However, the supplier reports no new products in the past year, no ODM service, no SDK availability, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Service-management documentation is incomplete: procedures for assessment exist, but there are no approved-supplier lists, corrective/preventive-action procedures, or written complaint-handling procedures. Certification holdings, production scale, financial credibility, and customer cases are not sufficiently evidenced. No financial figures are included.

Supplier typeThe supplier is explicitly described as a factory and a limited company located in Shenyang, with five employees and no associated company group. Its stated industry classification is wholesale and retail, while its business scope includes building ceramics, fertilizers, daily goods, chemicals, disinfectants, machinery, and office products.

After-Sales capabilityThe supplier has written procedures and records for assessing service capability and reports a one-month average lead time in both peak and off-season periods. However, it has no written corrective/preventive-action procedures or customer-complaint handling procedures, and it reports no overseas warehouse, showroom, agent, branch, or offline trade-show experience.

R&D capabilityThe supplier reports no available SDK, no new products in the past year, and no ODM service. It does report one internationally recognized design award, but the broader evidence indicates limited demonstrated recent innovation capability.

Customization capabilityThe supplier explicitly offers flexible customization, minor customization, customization from designs, and customization from samples. It also provides OEM services for well-known brands, although it does not provide ODM services.

Product Q&A

Q:What are the primary applications of this product?

It is widely used in the textile industry for dye reduction and bleaching, in the paper industry for bleaching and deinking, and in food processing as a preservative and antioxidant.

Q:What is the minimum order quantity (MOQ)?

The MOQ is 18 tons for bulk orders, though the company profile mentions a minimum of 25 kg for smaller transactions.

Q:What payment terms are accepted?

We accept Telegraphic Transfer (T/T) and Irrevocable Letter of Credit (L/C) at sight. Other options include D/P, PayPal, and Western Union.

Q:What are the lead times for delivery?

The lead time is 10 to 15 days after order confirmation, regardless of peak or off-peak seasons.

Q:Is customization available for this product?

Yes, flexible customization is available, including minor customization, customization from designs, and customization from samples.