Sulfamic Acid

Lingxian Chemical

Specifications

HS Code	968980
Name	Sulfamic Acid
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	31.1 g/100 mL (20 °C)
Acidity Pka	1.03
Ph Of 0 1 M Solution	1.2
Crystal Structure	Orthorhombic
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	32.6 g/100 mL (20 °C)
Pka	1.03
Acidity	monoprotic acid
Is A Strong Acid	Yes
Name	Sulfamic Acid
Chemical Formula	H₃NSO₃
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	33.4 g/100 mL (20 °C)
Acidity Pka	1.0
Ph Of 0 1 M Solution	1.2
Crystal Structure	Orthorhombic
Stability	Stable under normal conditions
Name	Sulfamic Acid
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	33.4 g/100 mL (25 °C)
Acidity Pka	1.0
Chemical Property	a strong monoprotic acid
Usage	used in descaling agents, cleaning products, and electroplating
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	33.4 g/100 mL (25 °C)
Acidity Pka	1.03
Ph Of 0 1 M Solution	1.1
Stability	stable under normal conditions
Name	Sulfamic Acid
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	33.4 g/100 mL (25 °C)
Acidity Pka	1.03
Ph Of 0 1 M Solution	1.1
Decomposition Products	Sulfur dioxide, nitrogen oxides, water
Name	Sulfamic Acid
Chemical Formula	H₃NSO₃
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	32.6 g/100 mL at 20 °C
Pka	1.03
Acidity	Monoprotic acid
Ph Of 1 Solution	1.2
Name	Sulfamic Acid
Chemical Formula	H₃NSO₃
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	Soluble (146.8 g/100 mL at 20 °C)
Ph Of 0 1 M Solution	1.12
Acidity	Monoprotic acid
Stability	Stable under normal conditions
Hazard	Irritant to eyes, skin and respiratory system
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	33.4 g/100 mL (20 °C)
Ph Of 0 1 M Solution	1.2
Acidity Pka	1.03
Stability	stable under normal conditions
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	Soluble (146.8 g/100 mL at 20 °C)
Acidity Pka	1.03
Ph Of 1 Solution	1.2
Stability	Stable under normal conditions
Name	Sulfamic Acid
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	33.4 g/100 mL (20 °C)
Ph Of 1 Solution	1.29
Acidity	monoprotic acid
Pka	1.03
Cas Number	5329-14-6
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	32.6 g/100 mL (20 °C)
Acidity Pka	1.03
Ph Of 1 Solution	1.2
Stability	stable under normal conditions
Name	Sulfamic Acid
Chemical Formula	H₃NSO₃
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	32.6 g/100 mL (20 °C)
Acidity Pka	1.03
Ph Of 1 Solution	1.2
Decomposition Products	Sulfur dioxide, nitrogen oxides
Name	Sulfamic Acid
Chemical Formula	H₃NSO₃
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	33.4 g/100 mL (20 °C)
Acidity Pka	1.03
Ph Of 0 1 M Solution	1.1
Thermal Stability	decomposes on heating
Crystal Structure	monoclinic
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	313 g/L at 25 °C
Ph Of 1 Solution	1.12
Acidity	Monoprotic acid
Stability	Stable under normal conditions
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	33.4 g/100 mL (20 °C)
Pka	1.03
Acidic Nature	monoprotic acid
Stability	stable under normal conditions
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	white crystalline solid
Odor	odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	313 g/L (20 °C)
Acidity Pka	1.03
Ph Of 0 1 M Solution	1.2
Stability	stable under normal conditions
Chemical Formula	H3NSO3
Molar Mass	97.094 g/mol
Appearance	White crystalline solid
Odor	Odorless
Density	2.126 g/cm³
Melting Point	205 °C (decomposes)
Solubility In Water	Soluble (31.1 g/100 mL at 20 °C)
Ph Of 1 Solution	1.2
Acidity	Monoprotic acid
Stability	Stable under normal conditions

Packing & Storage

Packing	Sulfamic acid packaged in 5 - kg bags for easy handling and storage.
Storage	Sulfamic acid should be stored in a cool, dry place, away from heat and moisture. Keep it in a tightly - sealed container to prevent contact with air, which could lead to moisture absorption. Store it separately from strong oxidizing agents and bases to avoid chemical reactions. Ideal storage conditions help maintain its stability and purity.
Shipping	Sulfamic acid is shipped in well - sealed containers, often drums or bags, compliant with chemical transport regulations. It's crucial to prevent moisture contact during transit as it can affect the acid's quality.

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General Information

Frequently Asked Questions

What are the Main Uses of Sulfamic Acid?

Sulfamic acid has a wide range of uses. In the field of industry, it is often used as a raw material for detergents. Because of its acidic nature, it can react with alkaline substances in dirt to remove scale and filth, such as toilet cleaning agents, which can clean urinals and pipes. The effect is significant.
In the electroplating industry, it is also very useful. It can be used as an electroplating additive to make the electroplating layer more uniform and dense, and improve the quality and corrosion resistance of the coating. Metal surfaces are treated in this way, with better gloss and longer service life.
In chemical analysis, sulfamic acid can be used as a reference reagent. Because of its stable nature and high purity, it can accurately calibrate the concentration of alkali solution, providing reliable data for chemical experiments, and is indispensable for scientific research, quality inspection and other work.
In the pharmaceutical field, sulfonic acid is an important intermediate. Participating in the synthesis of many drugs is of great significance to the research and development of antibacterial and anti-inflammatory drugs, and helps the development of medicine. It makes great contributions to curing diseases and ensuring health.

What are the Physical Properties of Sulfamic Acids?

Sulfamic acid, its physical properties are unique, let me come one by one. This substance is a white crystalline powder at room temperature, like fine snow, pure in quality and positive in color, looking clean. Its taste is slightly light, without pungent odor, placed under the nose to smell lightly, and the breath is calm.
When it comes to solubility, sulfamic acid is soluble in water, but its solubility is not very high, and it changes slightly with the rise and fall of water temperature. In hot water, the amount of solubility increases slightly, just like ice under the warm sun, gradually melting and gradually disappearing. In organic solvents such as ethanol and ether, the solubility of sulfamic acid is quite low, almost insoluble, like oil and water, distinct. < Br >
Its melting point is quite impressive. When the temperature rises to about 205 ° C, sulfonic acid begins to melt, gradually turning from solid to liquid. This process is like a wax torch turning into ash, slowly and orderly. Its density is also fixed, about 2.126 g/cm ³. It feels slightly heavy to the touch. When placed in the palm of your hand, you can feel its texture is firm.
The stability of sulfonic acid is also good. In normal environments, it can be stored for a long time without deterioration. In case of strong oxidizing agents or strong bases, it is prone to chemical reactions, structural changes, and properties change accordingly.
In addition, sulfamic acid has a certain water absorption, and it is easy to absorb water vapor in a humid environment. If left here for a long time, its shape may gradually change from a dry powder to a slightly moist state, like a sponge absorbing water, quietly changing. This is the physical properties of sulfamic acid, which are used in many fields such as chemical industry and medicine.

What to Consider When Storage Sulfamic Acids

Sulfamic acid, when storing, all matters need to be paid attention to. First of all, sulfamic acid is acidic, and under certain conditions may have chemical changes, so the storage place must avoid alkaline substances. If the two are encountered, they may cause chemical reactions and cause their deterioration.
Furthermore, the control of temperature and humidity is crucial. It should be stored in a cool and dry place to avoid high temperature and humidity. High temperature can promote its decomposition, and humid environment can easily lead to deliquescence, which will damage its quality. If it is in a high temperature place, the activity of sulfamic acid molecules increases, and chemical reactions are prone to occur; where it is humid, water seeps into it, or causes agglomeration.
Light should not be ignored. It should be placed in a dark place or stored in a light-shielding container. Under light, sulfamic acid or photochemical reactions affect its chemical structure and properties. Long-term exposure to light, the color may change, and the purity will also decrease.
In addition, the storage place should be well ventilated. Poor ventilation, causing local gas accumulation, or containing ingredients that can react with it, is also unfavorable to its preservation. And good ventilation can reduce the influence of environmental humidity and keep it dry.
Packaging must be tight. Choose suitable packaging materials to prevent air, moisture and impurities from invading. If it is packaged in a sealed plastic container or lined with moisture-proof materials, its quality can be protected and it is beneficial for long-term storage. Overall, pay attention to the above in order to ensure the quality of sulfamic acid during storage.

How Sulfamic Acids Affect the Environment

Sulfamic acid has a wide range of uses, and its impact on the environment cannot be ignored.
It is used in industry and is mostly used as a detergent and rust remover. Although it can remove scale and decontamination, if it is improperly disposed of, it will flow into the environment and cause great harm.
When it enters the water body, sulfamic acid may cause changes in water quality. The nitrogen, sulfur and other elements it contains can increase the nutrient load of the water body. If the amount is abundant, it is easy to cause the proliferation of algae. Algae are abundant and oxygen-depleted, and the aquatic life, such as fish and shrimp, are all harmed by it, and the ecological balance is also destroyed.
If sulfamic acid accumulates too much in the soil, it may change the acid-base of the soil and disturb its microecology. The activity of microorganisms in the soil, the adaptation of acid and alkali, the entry of sulfamic acid, or the change of microbial community, which in turn hinders the growth of plants. Plant growth is hindered, affecting the entire terrestrial ecosystem, and based on it, all organisms are implicated.
And sulfamic acid has a certain toxicity. Although it is gradually degraded in the environment, the speed of degradation or the amount of emission is difficult to catch up. Biological intake, or accumulation in the body, is passed along the food chain, and eventually human beings, causing health problems.
Therefore, those who use sulfamic acid should be careful and make sure that the discharge is in accordance with regulations, so as to reduce its harm to the environment, protect the beauty of nature, and maintain ecological balance.

What are the Preparation Methods of Sulfamic Acid

The sulfamic acid, that is, sulfamic acid. There are roughly several ways to prepare it.
First, urea and fuming sulfuric acid are used as raw materials. Urea is slowly added to fuming sulfuric acid, and at a specific temperature, the two chemically react. When urea encounters fuming sulfuric acid, it is first decomposed by sulfuric acid, and then converted into sulfamic acid through a series of conversions. In this process, temperature control is the key. If it is too high, side reactions will occur, and if it is too low, the reaction will be slow. Careful observation is required to achieve the best reaction conditions to obtain higher yields of sulfamic acid.
Second, sulfur trioxide and ammonium sulfate are used as starting materials. Sulfur trioxide is slowly introduced into the solution of ammonium sulfate. After a delicate reaction, the molecular structure of ammonium sulfate is gradually changed, resulting in sulfamic acid. However, in this method, the concentration of the solution, the rate of reaction and other factors will affect the quality and quantity of the product. It is necessary to weigh carefully and adjust it appropriately to obtain pure sulfamic acid.
Third, it is prepared from hydroxylamine sulfate. Hydroxylamine sulfate can also be converted into sulfamic acid in a suitable reaction environment through hydrolysis and other steps. However, this approach requires strict requirements for the reaction environment and the purity of the reagents used. A little carelessness can lead to impure products or low yields.
All these preparation methods have their own advantages and disadvantages. In practice, careful choices should be made according to many factors such as the availability of raw materials, cost considerations, and product requirements, in order to achieve the best preparation effect.