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Sulfamic acid

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Identification
Molecular formula
H3NSO3
CAS number
5329-14-6
IUPAC name
sulfamic acid
State
State

At room temperature, sulfamic acid is typically in a solid state. It maintains its structural integrity as a crystalline powder which does not easily absorb moisture from the air under standard conditions.

Melting point (Celsius)
205.00
Melting point (Kelvin)
478.15
Boiling point (Celsius)
205.00
Boiling point (Kelvin)
478.15
General information
Molecular weight
97.09g/mol
Molar mass
97.0940g/mol
Density
2.1260g/cm3
Appearence

Sulfamic acid appears as a white, crystalline solid. The crystals are typically odorless, and they are known for their stability under dry conditions. This compound is highly soluble in water, allowing it to be used in various aqueous applications.

Comment on solubility

Solubility of Sulfamic Acid (H3NSO3)

Sulfamic acid is a water-soluble compound known for its remarkable properties. Understanding its solubility can give insights into its applications in various chemical processes. Here are some key points to consider:

  • Highly soluble in water: Sulfamic acid readily dissolves in water, making it beneficial for use in many aqueous solutions.
  • Solvent versatility: It also demonstrates good solubility in polar organic solvents, expanding its usability further.
  • Temperature dependency: The solubility of sulfamic acid increases with temperature, which is an important factor for reactions conducted at higher temperatures.
  • pH influence: Being an acid, sulfamic acid can influence the pH of the solutions it is added to, enhancing its reactivity and effectiveness in various functions.

As a general rule, ionic compounds like sulfamic acid exhibit a greater degree of solubility in polar solvents due to the attraction between the molecules of the solvent and the ions present in the solute. This phenomenon is often summarized by the phrase **"like dissolves like,"** highlighting the compatibility of polar solvents and solutes.

In summary, sulfamic acid (H3NSO3) exhibits excellent solubility characteristics, which make it a versatile compound in both industrial and laboratory settings.

Interesting facts

Interesting Facts about Sulfamic Acid

Sulfamic acid, with its systematic name amidosulfonic acid, is a fascinating compound that plays an essential role in various chemical processes. Here are some intriguing highlights about this versatile acid:

  • Industrial Applications: Sulfamic acid is widely used in the manufacturing of fertilizers, particularly in producing urea. Its ability to act as an effective de-scaler makes it valuable for cleaning metal surfaces.
  • pH Regulation: Due to its weak acidity, sulfamic acid is used as a pH regulator in various chemical reactions, helping to maintain optimal conditions for the desired outcomes.
  • Food Industry Usage: In regulated amounts, sulfamic acid can be found in food processing as a food additive, ensuring compliance with safety standards while enhancing product quality.
  • Synthesis and Reactivity: This compound is intriguing for its ability to easily donate protons in acid-base reactions, making it a useful intermediate in organic synthesis.
  • Safety Considerations: While sulfamic acid is less hazardous compared to stronger acids, proper handling is crucial. Always use appropriate personal protective equipment (PPE) to mitigate any potential risks associated with its use.

As George A. Olah once said, "In chemistry, there are no shortcuts." Sulfamic acid is a testament to this statement, illustrating how a simple yet powerful compound can facilitate numerous applications across different fields. Its unique properties continue to inspire scientists and students alike to explore further innovations in chemistry!

Synonyms
SULFAMIC ACID
5329-14-6
Amidosulfonic acid
Sulphamic acid
Amidosulfuric acid
Aminosulfonic acid
Imidosulfonic acid
Sulfamidic acid
Sulfaminic acid
Jumbo
Aminosulfuric acid
Sulphamidic acid
Kyselina sulfaminova
Kyselina amidosulfonova
Caswell No. 809
sulfuramidic acid
NSC 1871
Sulfamidsaeure
HSDB 795
amidohydroxidodioxidosulfur
Amidoschwefelsaeure
EINECS 226-218-8
MFCD00011603
EPA Pesticide Chemical Code 078101
UNII-9NFU33906Q
CHEBI:9330
DTXSID6034005
AI3-15024
9NFU33906Q
NSC-1871
H2NSO3H
CHEMBL68253
DTXCID4014005
[S(NH2)O2(OH)]
EC 226-218-8
(S(NH2)O2(OH))
Kyselina sulfaminova [Czech]
CAS-5329-14-6
Kyselina amidosulfonova [Czech]
UN2967
SULFAMIC ACID, ACS
SULFAMIC ACID, REAG
Sulphamic-acid-
amidosulphuric acid
Sulfamic acid [UN2967] [Corrosive]
SCALE CLEEN
ALPROJET W
AMINESULFONIC ACID
WLN: ZSWQ
NH2SO3H
Sulfamic acid, ACS grade
SULFAMIC ACID [MI]
NCIOpen2_000675
SULFAMIC ACID [HSDB]
BDBM26994
NSC1871
Sulfamic acid, p.a., 99.5%
Sulfamic acid, analytical standard
Sulfamic acid, reagent grade, 98%
Tox21_201905
Tox21_303482
MSK000600
STL282725
7773-06-0 (mono-ammonium salt)
AKOS005287325
Sulfamic acid, ACS reagent, 99.3%
UN 2967
NCGC00090927-01
NCGC00090927-02
NCGC00257489-01
NCGC00259454-01
Sulfamic acid [UN2967] [Corrosive]
Sulfamic acid, ReagentPlus(R), >=99%
FS164108
Sulfamic acid, >=99.5% (alkalimetric)
NS00003168
Sulfamic acid, 99.999% trace metals basis
Sulfamic acid, SAJ first grade, >=99.0%
Sulfamic acid, JIS special grade, >=99.5%
Q412304
Sulfamic acid, analytical standard (for acidimetry), ACS reagent
226-218-8