sulfamic acid CAS Number: 5329-14-6

Pharmaceutical Materials 2025-03-02

CAS Number: 5329-14-6

Molecular Formula: H3NO3S

Molecular Weight: 97.09

Appearance: White crystalline powder

Melting Point: 215-225°C

Boiling Point: 247°C

Solubility: Soluble in water and liquid ammonia.

Sulfamic acid, with the CAS number 5329-14-6, is a versatile inorganic acid that finds widespread application in various industries. It is characterized by its strong acidity and stability in dry conditions. Sulfamic acid exists as a white crystalline solid and is non-volatile and non-hygroscopic. This chemical is highly soluble in water and demonstrates strong acidic properties in aqueous solutions, making it suitable for use as a catalyst, stabilizer, and cleaning agent.

Property Value
Chemical Formula H3NO3S
CAS Number 5329-14-6
Molecular Weight 97.09 g/mol
Physical State White crystalline solid
Melting Point 205°C (decomposition starts at 209°C)
Density 2.126 g/cm³
Solubility Soluble in water, liquid ammonia, and nitrogen-containing organic solvents; insoluble in ethanol and ether
pH Value 1.18 (25°C, aqueous solution)
Chemical Property Strong acid in aqueous solution, reacts with metal oxides to form salts, stable in dry conditions but decomposes slowly in the presence of water or moisture

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