Environmental Impact and Chemical Reactions of Sodium Hydrosulfide
Sodium hydrosulfide ， (NaHS) is a compound that plays an important role in various industrial applications, especially in the production of sodium thiolate and other sodium hydrosulfides. Although its usefulness in industries such as mining, papermaking, and wastewater treatment is well established, the environmental impact of sodium hydrosulfide and its reactions cannot be ignored.
Sodium hydrosulfide is a strong reducing agent, which means it can participate in various chemical reactions that lead to the formation of sulfide compounds. When sodium hydrosulfide is released into the environment, it reacts with heavy metals to form insoluble metal sulfides that precipitate out of solution. This property is often used in wastewater treatment to remove toxic metals, but it has also raised concerns about the potential for environmental contamination if not managed properly.
The environmental impact of sodium hydrosulfide hydrate is multifaceted. On the one hand, its ability to detoxify heavy metals is of great benefit to industrial processes. On the other hand, improper handling or accidental release can cause serious ecological damage. This compound is toxic to aquatic life, and its presence in water bodies can damage the ecosystem. In addition, the hydrogen sulfide gas released during the reaction can pose a threat to the health of humans and wildlife.
In summary, while sodium hydrosulfide hydrate and its derivatives, such as sodium thiolate, are valuable in a variety of industrial applications, their environmental impact must be considered. Responsible management and adherence to safety protocols are essential to mitigating the risks of using them. As industry continues to rely on these chemicals, continued research and regulation are essential to ensure that their benefits do not come at the expense of environmental health.
Environmental Impact and Chemical Reactions of Sodium Hydrosulfide,
,
SPECIFICATION
|
Item |
Index |
|
NaHS(%) |
70% min |
|
Fe |
30 ppm max |
|
Na2S |
3.5%max |
|
Water Insoluble |
0.005%max |
usage
used in mining industry as inhibitor , curing agent , removing agent
used in synthetic organic intermediate and preparation of sulfur dye additives .
Used in textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent
used in pulp and paper industry.
used in water treatment as an oxygen scavenger agent.
OTHER USED
♦ In the photographic industry to protect developer solutions from oxidation.
♦ It is used in the production of rubber chemicals and other chemical compounds.
♦ It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergent.
Handling and Storage
A.Precautions for Handling
1.Handling is performed in a well ventilated place.
2.Wear suitable protective equipment.
3.Avoid contact with skin and eyes.
4.Keep away from heat/sparks/open flames/ hot surfaces.
5.Take precautionary measures against static discharges.
B.Precautions for Storage
1.Keep containers tightly closed.
2.Keep containers in a dry, cool and well-ventilated place.
3.Keep away from heat/sparks/open flames/ hot surfaces.
4. Store away from incompatible materials and foodstuff containers.
FAQ
Q: How can I get some samples?
A: Can provide free samples for testing before order, just pay for the courier cost.
Q: What’s the payment terms?
A: 30% T/T deposit, 70% T/T balance payment before shipment.
Q: How does your factory do regarding quality control?
A: We have a strict quality control system, and our professional experts will check the goods packing and test functions of all our items before shipment.
Hazard Identification
Classification of the substance or mixture
Corrosive to metals, Category 1
Acute toxicity - Category 3, Oral
Skin corrosion, Sub-category 1B
Serious eye damage, Category 1
Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1
GHS label elements, including precautionary statements
| Pictogram(s) |    |
| Signal word | Danger |
| Hazard statement(s) | H290 May be corrosive to metals
H301 Toxic if swallowed H314 Causes severe skin burns and eye damage H400 Very toxic to aquatic life |
| Precautionary statement(s) | |
| Prevention | P234 Keep only in original packaging.
P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P273 Avoid release to the environment. |
| Response | P390 Absorb spillage to prevent material damage.
P301+P316 IF SWALLOWED: Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P330 Rinse mouth. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P391 Collect spillage. |
| Storage | P406 Store in a corrosion resistant/...container with a resistant inner liner.
P405 Store locked up. |
| Disposal | P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal. |
Other hazards which do not result in classification
Working Process
Chemical equation: 2NaOH+H2S=NA2S+2H2O
NA2S+H2S=2NAHS
First Step: Use sodium hydroxide liquid absorb hydrogen sulfide generate sodium sulphide
Second Step: When sodium sulfide absorption saturation,continue to absorb hydrogen sulfide generate sodium hydrosulphide.
Sodium hydrosulfide have 2 kinds of appearance,70%min yellow flake and 30% yellowsih liquid.
We have different specs which depends on Fe content,we have 10ppm,15ppm,20ppm and 30ppm.Different Fe content,the quality is different.
Sodium hydrosulfide is a compound of concern due to its environmental impact and chemical reactions. As a product of BOINTE ENERGY CO., LTD, it has good quality, preferential prices and professional export services. This compound has many advantages and is in high market demand.
When it comes to the environmental impact of sodium hydrosulfide, it is important to consider its potential impact. This compound is known to have a significant impact on the environment if not handled properly. It causes water and soil contamination, affects aquatic life and poses risks to human health. Therefore, it is critical for companies like BOINTE ENERGY CO., LTD to ensure that sodium hydrosulfide is handled and disposed of responsibly to minimize its impact on the environment.
In terms of chemical reactions, sodium hydrosulfide is widely used in various industrial processes. It is known for its ability to remove heavy metals from wastewater and is also used in the production of dyes and other compounds. However, it is important to note that sodium hydrosulfide can be reactive and should be handled with care to prevent any unwanted chemical reactions.
Despite its environmental impact and reactivity, sodium hydrosulfide remains in high demand due to its wide range of uses. BOINTE ENERGY CO., LTD offers this product at a competitive price, making it an attractive option for industries requiring this compound.
In summary, sodium hydrosulfide plays an important role in various industrial processes, but its environmental impact and chemical reactivity cannot be ignored. Companies such as BOINTE ENERGY CO., LTD are responsible for ensuring the safe handling and export of this compound to meet market demand while minimizing its negative impact on the environment. For more information about sodium hydrosulfide and its supply, interested parties can contact Point Energy Co., Ltd. for professional export services.
At present,the company is vigorously expanding overseas markets and global layout.
In the next three years, we are committed to becoming one of the top ten export enterprises in China’s fine daily chemical industry, serving the world with high-quality products and achieving a win-win situation with more customers.
PACKING
TYPE ONE:25 KG PP BAGS(AVOID RAIN, DAMP AND SUN EXPOSURE DURING TRANSPORTATION.)
TYPE TWO:900/1000 KG TON BAGS(AVOID RAIN, DAMP AND SUN EXPOSURE DURING TRANSPORTATION.)
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