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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
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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
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

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Certificates of Analysis (COA)

Lot/Batch Number
STBL0222
STBK7389
STBK2168
STBJ8493
STBJ6822

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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: 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)
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)
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