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A2939

Sigma-Aldrich

Sulfato de amonio

BioXtra, ≥99.0%

Sinónimos:

Mascagnita

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100 G
$37.20
500 G
$88.30
1 KG
$165.00

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100 G
$37.20
500 G
$88.30
1 KG
$165.00

About This Item

Fórmula lineal:
(NH4)2SO4
Número de CAS:
7783-20-2
Peso molecular:
132.14
Número CE:
231-984-1
Número MDL:
MFCD00003391
Código UNSPSC:
12161700
eCl@ss:
38030408
ID de la sustancia en PubChem:
24890708
NACRES:
NA.25

$37.20

Disponible para envío el31 de marzo de 2025Detalles

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grado

for analytical purposes

Nivel de calidad

200

Línea del producto

BioXtra

Ensayo

≥99.0%

Formulario

powder or crystals

impurezas

Insoluble matter, passes filter test

residuo de ign.

<0.01% (as SO4)

pérdida

≤1.0% loss on drying, 110°C

pH

5.0-6.0 (20 °C, 1 M in H2O)

mp

>280 °C (dec.) (lit.)

solubilidad

H2O: 1 M, clear, colorless

densidad

1.77 g/mL at 25 °C (lit.)

trazas de anión

chloride (Cl-): ≤0.001%
nitrate (NO3-): ≤0.001%
phosphate (PO43-): ≤0.0005%

trazas de catión

Al: ≤0.0005%
As: ≤0.0001%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.001%
Cd: ≤0.0001%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0002%
Fe: ≤0.0002%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Na: ≤0.005%
Ni: ≤0.0005%
Pb: ≤0.0002%
Sr: ≤0.0005%
Zn: ≤0.0001%

Absorción

≤0.030 at 280 in H2O at 1 M
≤0.037 at 260 in H2O at 1 M

cadena SMILES

N.N.OS(O)(=O)=O

InChI

1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)

Clave InChI

BFNBIHQBYMNNAN-UHFFFAOYSA-N

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Aplicación

Ammonium sulfate has been used as an additive in salting-out procedure to prepare the g-globulin fraction.[1][2] It is also used as a component in synthetic minimal dextrose (SD) liquid medium.[3]

Acciones bioquímicas o fisiológicas

Ammonium sulfate ((NH4)2SO4) is mainly used as a soil fertilizer. It is also used as a wood preservative. This inorganic salt plays a role in flame retardant chemicals.[4]

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
BCCL7710
BCCK2276
BCCJ1361
BCCF4588
SLCJ8379

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Detection of turkey coronavirus in commercial turkey poults in Brazil
Teixeira MCB, et al.
Avian Pathology : Journal of the W.V.P.A, 36(1), 29-33 (2007)
Metabolic labeling of yeast sphingolipids with radioactive D-erythro-[4, 5-3H] dihydrosphingosine
Karashima T, et al.
Bio-protocol, 3, e862-e862 (2013)
Immunohistochemical detection of metalloproteinase-9 (MMP-9), anti-oxidant like 1 protein (AOP-1) and synaptosomal-associated protein (SNAP-25) in the cerebella of dogs naturally infected with spontaneous canine distemper
Bregano L, et al.
Folia Histochemica Et Cytobiologica, 49(1), 41-48 (2011)
Industrial Inorganic Chemistry
Environmental Nanotechnology, Monitoring & Management (2017)
Simon Gareth Broadley et al.
Acta crystallographica. Section D, Biological crystallography, 68(Pt 11), 1450-1459 (2012-10-24)
MshB, a zinc-based deacetylase, catalyses a step in the mycothiol biosynthetic pathway that involves the deacetylation of 1-O-(2-acetamido-2-deoxy-α-D-glucopyranosyl)-D-myo-inositol (GlcNAc-Ins), via cleavage of an amide bond, to 1-O-(2-amino-2-deoxy-α-D-glucopyranosyl)-D-myo-inositol (GlcN-Ins) and acetate. In this study, MshB was expressed, purified and crystallized. A
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Questions

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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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