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07401

Sigma-Aldrich

Sulfamic acid

≥99.5% (alkalimetric)

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Synonym(s):
Amidosulfonic acid
Linear Formula:
NH2SO3H
CAS Number:
Molecular Weight:
97.09
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

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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1 of 4

This Item
2427724815051.94978
vibrant-m

07401

Sulfamic acid

vibrant-m

242772

Sulfamic acid

vibrant-m

481505

Sulfamic acid

vibrant-m

1.94978

Sulfamic acid

form

solid

form

powder or crystals

form

crystals

form

-

impurities

≤0.001% heavy metals (as Pb)

impurities

-

impurities

-

impurities

-

mp

215-225 °C (dec.) (lit.)

mp

215-225 °C (dec.) (lit.)

mp

215-225 °C (dec.) (lit.)

mp

215-225 °C (dec.) (lit.)

density

2.151 g/cm3 at 25 °C

density

2.151 g/cm3 at 25 °C

density

2.151 g/cm3 at 25 °C

density

-

anion traces

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

anion traces

-

anion traces

chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.05%

anion traces

-

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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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)
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)
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)
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: 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)

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