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07401

Sigma-Aldrich

Sulfamic acid

≥99.5% (alkalimetric)

Synonym(s):

Amidosulfonic acid

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About This Item

Linear Formula:
NH2SO3H
CAS Number:
5329-14-6
Molecular Weight:
97.09
EC Number:
226-218-8
MDL number:
MFCD00011603
UNSPSC Code:
12352106
PubChem Substance ID:
329748428
NACRES:
NA.21

Quality Level

100

Assay

≥99.5% (alkalimetric)

form

solid

impurities

≤0.001% heavy metals (as Pb)

ign. residue

≤0.02%

mp

215-225 °C (dec.) (lit.)

density

2.151 g/cm3 at 25 °C

anion traces

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤1000 mg/kg

cation traces

Fe: ≤30 mg/kg

SMILES string

NS(O)(=O)=O

InChI

1S/H3NO3S/c1-5(2,3)4/h(H3,1,2,3,4)

InChI key

IIACRCGMVDHOTQ-UHFFFAOYSA-N

Gene Information

human ... CA1(759) , CA2(760)

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H412

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sulfamic acid as a cost-effective and recyclable catalyst for liquid Beckmann rearrangement, a green process to produce amides from ketoximes without waste.
Wang B, et al.
Tetrahedron Letters, 45(17), 3369-3372 (2004)
Sulfamic acid: an efficient, cost-effective and recyclable solid acid catalyst for the Friedlander quinoline synthesis.
Yadav JS, et al.
Tetrahedron Letters, 46(42, 7249-7253 (2005)
Iridium-catalyzed synthesis of primary allylic amines from allylic alcohols: sulfamic acid as ammonia equivalent.
Christian Defieber et al.
Angewandte Chemie (International ed. in English), 46(17), 3139-3143 (2007-03-14)
Sulfamic acid: a novel and efficient catalyst for the synthesis of aryl-14H-dibenzo [a. j] xanthenes under conventional heating and microwave irradiation.
Rajitha B, et al.
Tetrahedron Letters, 46(50), 8691-8693 (2005)
Solvent effects. 2. Medium effect on the structure, energy, charge density, and vibrational frequencies of sulfamic acid.
Wong MW, et al.
Journal of the American Chemical Society, 114(2), 523-529 (1992)
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