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Sulfamic acid
ACS reagent, 99.3%
Synonim(y):
Amidosulfonic acid
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About This Item
Wzór liniowy:
NH2SO3H
Numer CAS:
Masa cząsteczkowa:
97.09
Numer WE:
Numer MDL:
Kod UNSPSC:
12352106
Identyfikator substancji w PubChem:
NACRES:
NA.21
Polecane produkty
klasa czystości
ACS reagent
Poziom jakości
Próba
99.3%
99.3-100.3% dry basis (ACS specification)
Formularz
crystals
metody
titration: suitable
zanieczyszczenia
≤0.01% insolubles
pozostałość po prażeniu
≤0.01%
mp
215-225 °C (dec.) (lit.)
rozpuszczalność
water: 213 g/L at 20 °C
gęstość
2.151 g/cm3 at 25 °C
ślady anionów
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.05%
ślady kationów
Fe: ≤5 ppm
heavy metals (as Pb): ≤0.001%
ciąg SMILES
NS(O)(=O)=O
InChI
1S/H3NO3S/c1-5(2,3)4/h(H3,1,2,3,4)
Klucz InChI
IIACRCGMVDHOTQ-UHFFFAOYSA-N
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Opis ogólny
Sulfamic acid (H2NSO3H) is widely used inorganic compound. It exists in zwitterionic form and neutral forms. Zwitterionic form has been reported to be is more stable than neutral form. Its industrial applications have been reported. It has various organic synthesis applications.
Sulfamic acid is a strong inorganic acid. It is a hypochlorite scavenger. The ability of sulfamic acid to reduce nitrate to nitrogen gas under acidic condition has been utilized to denitrify nitrate-rich wastewater along with zinc powder.
Zastosowanie
Sulfamic acid (H2NSO3H) may be used in the following studies:
- As catalyst in the synthesis of aryl-14H-dibenzo[a.j]xanthenes.
- As green catalyst for the preparation of amide from ketoxime.
- As ammonia equivalent in the regioselective synthesis of primary allylic amines, via allylic substitution reactions.
- Synthesis of polysubstituted quinolones.
Sulfamic acid may be used in the following processes:
- As a titrant in the determination of the burette injection volume and chemical calibration factor.
- To neutralize excess nitrous acid in the colorimetric paracetamol assay by modified Glynn and Kendal colorimetric method.
- To prevent endogenous mercury (Hg) loss during the urine Hg measurement by inductively coupled plasma mass spectrometry (ICP-MS) method.
- As an acid catalyst and a hypochlorite scavenger in the chlorite oxidation of dialdehyde cellulose (DAC).
- As a heterogeneous catalyst in the synthesis of polyhydroquinoline derivatives by Hantzsch condensation reaction.
- As catalyst in the degradation of bamboo fiber to 5-hydroxymethylfurfural (HMF).
- As an acid reagent in the determination of silicates in water samples based on centrifugal microfluidics.
- As catalyst in the synthesis of deazaoxaflavin at room temperature.
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Hasło ostrzegawcze
Warning
Zwroty wskazujące rodzaj zagrożenia
Zwroty wskazujące środki ostrożności
Klasyfikacja zagrożeń
Aquatic Chronic 3 - Eye Irrit. 2 - Skin Irrit. 2
Kod klasy składowania
8B - Non-combustible corrosive hazardous materials
Klasa zagrożenia wodnego (WGK)
WGK 1
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
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