Ammonium iron(III) sulfate dodecahydrate

Name: Ammonium iron(III) sulfate dodecahydrate
Brand: SIGALD

ACS reagent, 99%

Sinonimo/i:

Ammonium ferric sulfate dodecahydrate

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Informazioni su questo articolo

Formula condensata:

NH₄Fe(SO₄)₂ · 12H₂O

Numero CAS:

7783-83-7

Peso molecolare:

482.19

Numero CE:

233-382-4

Numero MDL:

MFCD00150004

Codice UNSPSC:

12352302

ID PubChem:

329752253

NACRES:

NB.24

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Grado

ACS reagent

Saggio

98.5-102.0% (ACS specification)
99%

Stato

crystals

Impiego in reazioni chimiche

reagent type: catalyst
core: iron

Impurezze

≤0.01% insolubles
≤0.05% not NH₄OH pptd.

pH

1 (25 °C, 482.2 g/L)

Punto di fusione

39-41 °C (lit.)

Anioni in tracce

chloride (Cl^-): ≤0.001%
nitrate (NO₃^-): ≤0.01%

Cationi in tracce

Cu: ≤0.003%
Fe²⁺:, passes test (limit about 0.001%)
Zn: ≤0.003%

Temperatura di conservazione

2-8°C

Stringa SMILE

N.O.O.O.O.O.O.O.O.O.O.O.O.[Fe+3].OS([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/Fe.H3N.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;1H3;2*(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;;/p-3
LCPUDZUWZDSKMX-UHFFFAOYSA-K

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Questo articolo	F3629	1.03776	215406
Sigma-Aldrich 221260 Ammonium iron(III) sulfate dodecahydrate	Sigma-Aldrich F3629 Ammonium iron(III) sulfate dodecahydrate	Supelco 1.03776 Ammonium iron(III) sulfate dodecahydrate	Sigma-Aldrich 215406 Ammonium iron(II) sulfate hexahydrate
form crystals	form -	form solid	form powder or crystals
assay 98.5-102.0% (ACS specification), 99%	assay ≥99%	assay 99.0-102.0% (iodometric)	assay 98.5-101.5%, 99%
Quality Level 200	Quality Level 100	Quality Level 300	Quality Level 200
grade ACS reagent	grade -	grade ACS reagent	grade ACS reagent
pH 1 (25 °C, 482.2 g/L)	pH -	pH 1.8 (20 °C, 100 g/L in H₂O)	pH 3-5 (20 °C, 50 g/L)
anion traces chloride (Cl^-): ≤0.001%, nitrate (NO₃^-): ≤0.01%	anion traces -	anion traces chloride (Cl^-): ≤0.0005%, nitrate (NO₃^-): ≤0.01%	anion traces phosphate (PO₄^3-): ≤0.003%

Applicazioni

Ammonium ferric sulfate dodecahydrate may be used as a catalyst to synthesize:

Isoamyl acetate from acetic acid and isoamyl alcohol.[1]
2-Amino-5-(5-nitro-2-thienyl)-1,3,4-thiadiazole from 5-nitrothiophene-2-carboxaldehyde thiosemicarbazone via oxidative cyclization.[2]

Pittogrammi

GHS05

Avvertenze

Danger

Indicazioni di pericolo

H318

Consigli di prudenza

P280 - P305 + P351 + P338

Classi di pericolo

Eye Dam. 1

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Study on the Catalytic Synthesis of Isoamyl Acetate Catalyzed by Ammonlum Ferric Sulface Dodecahydrate

Ying Z, et al.

Contemporary Chemical Industry (2006)

Antituberculosis agents VIII: Synthesis and in vitro antimycobacterial activity of alkyl a-[5-(5-nitro-2-thienyl)-1, 3, 4-thiadiazole-2-ylthio] acetates.

Foroumadi A, et al.

Il Farmaco (Societa Chimica Italiana : 1989), 58(11), 1073-1076 (2003)

Contemporary Chemical Industry null

Flow injection spectrophotometric determination of L-ascorbic acid in biological matters.

Tomasz Kleszczewski et al.

Journal of pharmaceutical and biomedical analysis, 29(4), 755-759 (2002-07-03)

A method for spectrophotometric determination of L-ascorbic acid (vitamin C) in tissues by flow injection analysis is reported. The procedure is based on the oxidation of analyse with iron(III) and 2,2'-dipyridyl. Concentrations of vitamin C in the range of 0.5-20

Mossbauer-Effect Study of the Ferroelectric Transitions in Potassium Ferrocyanide Trihydrate and Ferric Ammonium Sulfate Dodecahydrate.

Gleason TG and Walker JC.

Physical Review, 188(2), 893-893 (1969)

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Questions

1–2 of 2 Questions

Anonymous

5 months ago

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

1 answer
1. Technical Support
  
  5 months ago
  
  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/418/501/product-dating-information-06-25-mk.pdf
  
  Helpful?
Anonymous

a year ago

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

1 answer
1. Technical Support
  
  a year ago
  
  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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