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228745

Sigma-Aldrich

Ammonium sulfamate

ACS reagent, ≥98.0%

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About This Item

Linear Formula:
NH4SO3NH2
CAS Number:
Molecular Weight:
114.12
EC Number:
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38060607
PubChem Substance ID:
NACRES:
NB.24
grade:
ACS reagent
form:
crystalline powder
crystalline solid
crystals or chunks
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grade

ACS reagent

Quality Level

Assay

≥98.0%

form

crystalline powder
crystalline solid
crystals or chunks

impurities

≤0.02% insolubles

ign. residue

≤0.10%

pH

4.5-6.0 (25 °C, 114.1 g/L)

mp

131-135 °C (lit.)

cation traces

heavy metals: ≤5 ppm

SMILES string

N.NS(O)(=O)=O

InChI

1S/H3NO3S.H3N/c1-5(2,3)4;/h(H3,1,2,3,4);1H3

InChI key

GEHMBYLTCISYNY-UHFFFAOYSA-N

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Application

Ammonium sulfamate can be used as a catalyst to synthesize arylidene derivatives via microwave-enhanced Knoevenagel condensation[1].

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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S Aleryani et al.
The Journal of biological chemistry, 273(11), 6041-6045 (1998-04-16)
Incubation of S-nitrosocysteine or S-nitrosoglutathione (5-100 M) in the presence of a generator of superoxide (xanthine/xanthine oxidase) resulted in a time-dependent decomposition of S-nitrosothiols and accumulation of nitrite/nitrate in reaction mixtures. Quantitatively, the amounts of nitrite/nitrate represented >90% of nitrosonium
The Chemical Behavior of Low Valence Sulfur Compounds. III. Production of Ammonium Sulfamate by the Oxidation of Ammonium Thiosulfate.
Naito K, et al.
Bulletin of the Chemical Society of Japan, 43(5), 1365-1372 (1970)
Synthesis of Ammonium Dinitramide by Nitration of Potassium and Ammonium Sulfamate. The Effect of Sulfamate Conterion on ADN Purity.
Nazeri GH, et al.
Iranian Journal of Chemistry and Chemical Engineering, 27(!) (2008)
Ammonium Sulfamate as Substitute for Lead Peroxide in Microdetermination of Carbon and Hydrogen.
Hussey AS, et al.
Analytical Chemistry, 27(2), 280-281 (1955)
Microwave-enhanced Knoevenagel condensation catalyzed by NH2SO3NH4
Liu C, et al.
Molecular Catalysis, 258, 367-370 (2006)

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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