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T89702

Sigma-Aldrich

Tropolona

98%

Sinónimos:

2-hidroxi-2,4,6-cicloheptatrien-1-ona

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About This Item

Fórmula empírica (notación de Hill):
C7H6O2
Número de CAS:
533-75-5
Peso molecular:
122.12
Beilstein:
1904978
Número CE:
208-577-2
Número MDL:
MFCD00004158
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
24900578
NACRES:
NA.22
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Ensayo

98%

bp

80-84 °C/0.1 mmHg (lit.)

mp

50-52 °C (lit.)

temp. de almacenamiento

2-8°C

cadena SMILES

OC1=CC=CC=CC1=O

InChI

1S/C7H6O2/c8-6-4-2-1-3-5-7(6)9/h1-5H,(H,8,9)

Clave InChI

MDYOLVRUBBJPFM-UHFFFAOYSA-N

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Aplicación

Tropolone is a sensitive reagent for reducing sugars. It is also an organic chelator that can form complexes with trivalent lathanide ions (Eu3+, Gd3+, and Tb3+).[1]
It can also be used as:
  • A precursor to synthesize azulene derivatives such as methyl 2-methylazulene-1-carboxylate.[2]
  • A reagent to prepare fused heterocycles[3] and complexes of Ga(III) and In(III).[4]

Palabra de señalización

Danger

Frases de peligro

H314,H317,H410

Clasificaciones de peligro

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1B

Código de clase de almacenamiento

8A - Combustible corrosive hazardous materials

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

233.6 °F - closed cup

Punto de inflamabilidad (°C)

112 °C - closed cup

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
SHBR2835
SHBS0169
SHBR6029
SHBR7696
SHBR9806

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Trends Heterocycl. Chem., 1, 137-137 (1990)
Spectroscopy and non-radiative processes in Gd3+, Eu3+ and Tb3+ tropolonates.
Santos BS, et al.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, 54(13), 2237-2245 (1998)
Structural characterization of two lipophilic tris(tropolonato) gallium(III) and indium(III) complexes of radiopharmaceutical interest
F.Nepveu and F.JasanadaL.Walz
Inorgorganica Chimica Acta, 211, 141-141 (1993)
Jinbing Liu et al.
European journal of medicinal chemistry, 44(4), 1773-1778 (2008-06-06)
A series of alkylidenethiosemicarbazide compounds were synthesized and their inhibitory effects on the diphenolase activity of mushroom tyrosinase were evaluated. The results showed that most of the synthesized compounds exhibited significant inhibitory activities. Especially, compound 1f was found to be
Jessica L Fullagar et al.
Chemical communications (Cambridge, England), 49(31), 3197-3199 (2013-03-14)
Tropolone emerged from the screening of a chelator fragment library (CFL) as an inhibitor of the Zn(2+)-dependent virulence factor, Pseudomonas aeruginosa elastase (LasB). Based on this initial hit, a series of substituted tropolone-based LasB inhibitors was prepared, and a compound
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Questions

1–2 of 2 Questions  

  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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