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structure of 16721-80-5

Sodium Hydrosulfide(CAS 16721-80-5)

CAS No.: 16721-80-5 Brand: MolBest
M. Ft.: NaHS Cat. No: G6164064
M. Wt.: 56.06 MDL: MFCD00011124
Storage: 2-8℃ Use: For laboratory research use only
HS CODE: 2830109000 UN No.: UN 2318
Purity Grade Package Stock Price Quantity
68%+,Contain Water
Documents:COASDS
RG 25G In Stock 5 USD
68%+,Contain Water
Documents:COASDS
RG 100G In Stock 7 USD
68%+,Contain Water
Documents:COASDS
RG 500G In Stock 20 USD
68%+,Contain Water
Documents:COASDS
RG 2.5KG In Stock 69 USD
68%+,Contain Water
Documents:COASDS
RG 25KG In Stock 470 USD
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Applications of 16721-80-5

Sodium hydrosulfide is utilized across various industries:

  • Textile Industry: Used in the production of dyes and as a reducing agent.
  • Paper Manufacturing: Acts as a makeup chemical in the kraft process for pulp production.
  • Mining: Serves as a flotation agent in copper mining to activate oxide minerals.
  • Leather Industry: Employed for hair removal from hides during processing.

Physical and chemical properties of 16721-80-5

Density

1,79 g/cm3

Exact Mass

55.969666

Flash Point

90°C

LogP

0.38050

Melting Point

55°C

Molecular Formula

HNaS

Molecular Weight

56.063

PSA

38.80000

RTECS

WE1900000

Sensitivity

Moisture Sensitive & Hygroscopic

Stability

Stable, but hygroscopic. Flammable solid. May ignite in air.

Water Solubility

620 g/L (20 ºC)

Q&A for CAS 16721-80-5

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

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3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

5. Do you offer technical support?
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6. Are volume discounts available?
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7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.

10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.

11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.

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Download SDS of 16721-80-5

Pictograms

Signal Word

Danger

Hazard Statements

H226 Flammable liquid and vapor
H251 Self-heating; may catch fire
H290 May be corrosive to metals
H301 Toxic if swallowed
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
H400 Very toxic to aquatic life

Safety Data Sheet

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Operate under the ISO 9001 system