

Sulfamic Acid
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Sulfamic acid, also known as amidosulfonic acid, amidosulfuric acid, aminosulfonic acid, and sulfamidic acid, is a molecular compound with the formula H3NSO3. This colorless, water-soluble compound finds many applications.
Sulfamic acid (H3NSO3) may be considered an intermediate compound between sulfuric acid (H2SO4), and sulfamide (H4N2SO2), effectively - though see below - replacing an -OH group with an -NH2 group at each step. This pattern can extend no further in either direction without breaking down the -SO2 group.
Sulfamates are O-substituted-, N-substituted-, or di-/tri-substituted derivatives of sulfamic acid.
Sulfamic acid | |
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IUPAC name[hide] Sulfamic acid | |
Identifiers | |
CAS number | 5329-14-6 Y |
PubChem | 5987 |
ChemSpider | 5767 Y |
EC number | 226-218-8 |
UN number | 2967 |
ChEBI | CHEBI:9330 N |
ChEMBL | CHEMBL68253 Y |
RTECS number | WO5950000 |
Jmol-3D images | Image 1 |
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InChI [show]
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Properties | |
Molecular formula | H3NSO3 |
Molar mass | 97.10 g/mol |
Density | 2.15 g/cm3 |
Melting point | 205 °C decomp. |
Solubility in water | moderate, with slow hydrolysis |
Hazards | |
MSDS | ICSC 0328 |
EU Index | 016-026-00-0 |
EU classification | Irritant (Xi) |
R-phrases | R36/38 R52/53 |
S-phrases | (S2) S26 S28 S61 |
industrial use
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