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376558

Sigma-Aldrich

Iod

flakes, ReagentPlus®, ≥99%

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50 G
€ 55,70
500 G
€ 285,00
2.5 KG
€ 1.010,00

About This Item

Empirische Formel (Hill-System):
I2
CAS-Nummer:
7553-56-2
Molekulargewicht:
253.81
Beilstein:
3587194
EG-Nummer:
231-442-4
MDL-Nummer:
MFCD00011355
UNSPSC-Code:
12141916
PubChem Substanz-ID:
329755686
NACRES:
NA.21
bp:
184 °C (lit.)

€ 55,70

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Qualität

reagent

Dampfdichte

9 (vs air)

Dampfdruck

0.31 mmHg ( 25 °C)
1 mmHg ( 38.7 °C)

Produktlinie

ReagentPlus®

Assay

≥99%

Form

flakes

Widerstandsfähigkeit

1.3E15 μΩ-cm

dilution

(for general lab use)

Verunreinigungen

≤0.05% nonvolatile matter

bp

184 °C (lit.)

mp (Schmelzpunkt)

113 °C (lit.)

SMILES String

II

InChI

1S/I2/c1-2

InChIKey

PNDPGZBMCMUPRI-UHFFFAOYSA-N

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Allgemeine Beschreibung

Iodine is a micro nutrient[1] essential for thyroid synthesis.[2] It is a component of Gram′s iodine which has been reported to be used in identifying cellulase-producing microorganisms.[3] Photogeneration of iodine from anatase TiO2 has been studied.[4]

Anwendung

Iodine may be used as a promoter during the synthesis of conjugated molecules with benzofulvene core.[5] It may be employed as a TLC stain for detection of perillyl alcohol.[6]
It may be used as a catalyst in the synthesis of the following:
  • Quinoxalines by reacting 1,2-diamines with 1,2-dicarbonyl compounds under microwave condition.[7]
  • N-Substituted pyrroles via condensation of 2,5-dimethoxy tetrahydrofuran with amines under microwave condition.[8]
  • Disulfidation of alkenes.[9]

Rechtliche Hinweise

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 1 Oral - STOT SE 3

Zielorgane

Respiratory system, Thyroid

Lagerklassenschlüssel

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCV9638
MKCT9524
MKCT2005
MKCS0009
MKCQ8278

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1 of 1

Kaliumiodid ReagentPlus®, 99%

Sigma-Aldrich

207969

Kaliumiodid

Debasish Bandyopadhyay et al.
Molecules (Basel, Switzerland), 15(6), 4207-4212 (2010-07-27)
A microwave-induced iodine-catalyzed simple, rapid and convenient synthesis of different types of quinoxalines via condensation of 1,2-diamines with 1,2-dicarbonyl compounds has been accomplished with an excellent yield.
Farhana Ahad et al.
Indian journal of endocrinology and metabolism, 14(1), 13-17 (2010-01-01)
Iodine is a vital micronutrient required at all stages of life; fetal life and early childhood being the most critical phases of requirement. Diet is the sole source of iodine, which in turn is dependent upon the iodine content of
Iodine-catalyzed disulfidation of alkenes.
Wang XR and Chen F.
Tetrahedron, 67(25), 4547-4551 (2011)
Chockalingam Karunakaran et al.
Chemistry Central journal, 5(1), 31-31 (2011-06-18)
The crystal structures of different forms of TiO2 and those of BaTiO3, ZnO, SnO2, WO3, CuO, Fe2O3, Fe3O4, ZrO2 and Al2O3 nanoparticles have been deduced by powder X-ray diffraction. Their optical edges have been obtained by UV-visible diffuse reflectance spectra.
Processing cherries (Prunus avium) using supercritical fluid technology. Part 1: Recovery of extract fractions rich in bioactive compounds.
Serra AT, et al.
Journal of Supercritical Fluids, 55(1), 184-191 (2010)
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Questions

1–2 of 2 Questions  

  1. 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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  2. 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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