What is the after-sales warranty policy?

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

What is the physical appearance and solubility?

The product appears as yellow flakes or white crystalline powder. It is highly soluble in water, ethanol, and ether.

Flotation Process Beneficiation Reagent Sodium Hydrosulfide Hydrosulphide CAS No. 16721-80-5

Name: Flotation Process Beneficiation Reagent Sodium Hydrosulfide Hydrosulphide CAS No. 16721-80-5
Brand: SHANDONG PULISI CHEMICAL CO., LTD.
SKU: 2110789212

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, Shanghai

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

Triple Certification Compliance: Certified under ISO 9001, REACH, and FMQS standards ensuring global regulatory compliance.

Strategic Inventory & Fast Delivery: 1,000+ MT stock in Qingdao, Tianjin, and Longkou; 68% of orders delivered within 15 days.

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

Versatile Industrial Applications: Widely used in mining flotation, leather dehairing, dye synthesis, and fertilizer desulfurization.

30-Day Quality Guarantee: After-sales assurance with replacement/refund options and complimentary temperature monitoring.

Customizable Packaging & Marking: Options for 25kg/900kg bags, pallets, and customizable marks to suit specific client needs.

High Customs Clearance Rate: 100% success rate for Russian imports and compliant with global hygiene regulations.

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: ≤9.65hTerms 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 ISO 9001, REACH, and FMQS standards, ensuring compliance with global quality and safety regulations.

Q:What are the available packaging options?

Standard packaging includes 25kg bags with pallets or 900kg bags. Customizable marks are available, and specific quantities like 18-22MTS per 20'GP container can be arranged.

Q:What are the payment terms?

Flexible terms include LC (sight/term), TT (20% advance + 80% upon shipment), and specialized schemes such as 90-day LC for South America or 30% deposit + BL payment for the Middle East.

Q:What is the lead time for delivery?

Lead times vary by season: off-season delivery is within 15 workdays, while peak season lead time is approximately one month. Urgent orders can be prioritized via express logistics.

Q:What are the primary applications of this reagent?

It is extensively used in mining (copper ore flotation), leather industry (dehairing/tanning), dye industry (sulfur dye production), and fertilizer industry (desulfurization).