What is the warranty or after-sales policy?

We provide a 30-day quality guarantee with replacement or refund options. Complimentary temperature monitoring loggers are available for reefer containers.

Is customization available for this product?

Yes, the product marks are customizable, and we offer flexible loading port options including Qingdao, Tianjin, and Alashankou/Khorgos Port.

Mining Sites Cooper for 70% CAS No. 16721-80-5 Sodium Hydrosulphide Hydrosulfide

Name: Mining Sites Cooper for 70% CAS No. 16721-80-5 Sodium Hydrosulphide Hydrosulfide
Brand: SHANDONG PULISI CHEMICAL CO., LTD.
SKU: 2110838352

Shandong, ChinaSHANDONG PULISI CHEMICAL CO., LTD.

US$420.00-730.00

10 Tons

Sample price:US$0.00/kg.Request sample

Product profile

CAS No.

16721-80-5

Formula

Nahs

EINECS

240-778-0

Model NO.

CAS NO. 16721-80-5

Appearance

Flake

Classification

Sulfide

Certification

ISO, SGS

Purity

70%

Type

Sodium Hydrosulfide

Grade Standard

Industrial Grade

Port of Loading

Qingdao, Tianjin, Xinjiang(Alashankou/Khorgos Port)

Mark

Customizable

Molecule Weight

56.06

Certificate

SGS, COA, ISO, MSDS

Fe

30ppm

Un No.

2949

Quantity

18-22mts for 1*20'gp

Dangerous Class

Melting Point

350 ℃

Density

1.79 G/Cm³

Flash Point

90 ℃

Application

Leather/Textile/Priting and Dyeing/Mining

Solubility

Soluble in Water, Soluble in Ethanol, Ether, etc.

Color

Yellow Flakes

Na2co3 ≤

2.00%

Transport Package

25kgs/900kgs Bag

Specification

70.00%

Trademark

Shandong Pulisi

Origin

China; Shandong

HS Code

28301090

Production Capacity

3000 Tons/Month

Key features

Strategic Inventory & Fast Delivery: 1000+ MT stock in Qingdao, Tianjin, Longkou; 68% orders delivered within 15 days.

Triple Certification Compliance: Certified under REACH, ISO 9001, and FMQS; 100% customs clearance success rate.

Flexible Payment Terms: Supports LC (sight/term), TT (20% advance), and specialized schemes for South America/Middle East.

Versatile Industrial Applications: Used in leather dehairing, mining flotation, dyeing, and fertilizer desulfurization.

30-Day Quality Guarantee: Offers replacement or refund options within 30 days for quality issues.

Customizable Packaging & Marking: Available in 25kg/900kg bags; customizable marks and loading ports (Qingdao, Tianjin, etc.).

Real-Time Logistics Tracking: End-to-end visibility with GPS tracking and third-party inspection services at destination.

Company profile

Exhibition ExperienceIn-stock CapacityFast DeliveryCustomization from Samples

SHANDONG PULISI CHEMICAL CO., LTD.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2006-10-01Nearest Port: Qingdao, Tianjin, ShanghaiAverage Response Time: ≤6.14hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with strong export orientation, holding self-operated import and export rights and reporting that 90% of total sales are exports. It offers customization from samples and designs, has launched new products within the past year, and reports one R&D engineer plus an available SDK. Service documentation includes COA/MSDS support, third-party testing, application solutions, complaint procedures, and corrective-action procedures. Reported lead time is within 15 working days in both off-season and peak season. However, the supplier does not provide ODM services, does not serve popular brands through OEM, has no overseas showroom, agents, or branches, and reports zero quality-control testing equipment. Quality assurance and raw-material traceability statuses are unknown, so production and quality capabilities cannot be fully validated.

CertificationsThe supplier reports an ISO9001:2015 certificate and other certifications or certification-related capabilities. It also provides COA/MSDS documentation and supports third-party testing, but the specific scope and validity of the additional certifications are not stated.

After-Sales capabilityThe supplier states that its professional team provides application solutions for technical issues, offers COA/MSDS documentation and third-party testing, and maintains complaint-handling and corrective-action procedures with records. It has no overseas agents, branches, or showroom, which limits documented local service coverage.

R&D capabilityThe supplier reports one R&D engineer, new products launched within the past year, customization from samples and designs, and an available SDK. These are explicit innovation-related capabilities, although the very small stated R&D team limits the evidence of broader development capacity.

Customization capabilityThe supplier explicitly provides customization from samples and from customer designs. It does not provide ODM services, so its documented customization capability is design/sample-based rather than full ODM development.

Product Q&A

Q:What certifications does the product hold?

The product is triple-certified under REACH, ISO 9001, and FMQS standards, ensuring global hygiene and safety compliance.

Q:What are the available payment terms?

We accept LC (sight/term), TT (20% advance + 80% upon shipment), PayPal, and Money Gram. Special schemes like 90-day LC are available for South America.

Q:What is the lead time for delivery?

Off-season lead time is within 15 workdays. Peak season lead time is approximately one month. 68% of orders are delivered within 15 days due to strategic inventory.

Q:What are the main applications of this chemical?

It is widely used in the leather industry for dehairing, mining for copper ore flotation, dyeing as a sulfite stabilizer, and fertilizer production for desulfurization.

Q:How is the product packaged and shipped?

Packaging includes 25kg bags with pallets (18MTS/22MTS per container) or 900kg bags. Loading ports include Qingdao, Tianjin, and Xinjiang.