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03002

Sigma-Aldrich

Iodine

puriss., meets analytical specification of Ph. Eur., BP, USP, 99.8-100.5%

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About This Item

Empirical Formula (Hill Notation):
I2
CAS Number:
7553-56-2
Molecular Weight:
253.81
Beilstein/REAXYS Number:
3587194
EC Number:
231-442-4
MDL number:
MFCD00011355
UNSPSC Code:
12352300
PubChem Substance ID:
329747532
NACRES:
NA.21

vapor density

9 (vs air)

Quality Level

200

vapor pressure

0.31 mmHg ( 25 °C)
1 mmHg ( 38.7 °C)

grade

puriss.

assay

99.8-100.5%

quality

meets analytical specification of Ph. Eur., BP, USP

resistivity

1.3E15 μΩ-cm

impurities

residual solvents, in accordance
≤0.03% non-volatile matter

bp

184 °C (lit.)

mp

113 °C (lit.)

anion traces

bromide, chloride (as Cl-): ≤250 mg/kg
sulfate (SO42-): ≤50 mg/kg

SMILES string

II

InChI

1S/I2/c1-2

InChI key

PNDPGZBMCMUPRI-UHFFFAOYSA-N

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General description

Iodine is a halogen compound. It is mainly present in sodium iodate (NaIO3) and sodium periodate (NaIO4) deposits. Iodine is a part of thyroxin hormone produced by the thyroid gland. It controls the body′s rate of physical and mental development.

Application

Iodine (I2) was used in the following studies:
  • Synthesis of oligonucleotides using a standard Applied Biosystems 392 DNA/RNA Synthesizer.
  • Fabrication of electrochemical solar cells by using the single-walled carbon nanotubes (SWNTs)-modified fluorine-doped tin oxide coated glass (FTO) glass as the working electrode.
  • To compose iodide-based solution, used as the liquid electrolyte in the dye-sensitized solar cells.

It may be used for the trace-labelling of proteins. It may be used for the iodination methods, in which the cationic portion of the iodine molecule bounds to the ring structure of tyrosine. Theoretical efficiency of labelling achieved is 50%.

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system, Thyroid

Storage Class

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

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Photocurrent response from vertically aligned single-walled carbon nanotube arrays.
Bissett MA and Shapter JG.
The Journal of Physical Chemistry C, 114(14), 6778-6783 (2010)
Matthew J Moorcroft et al.
Nucleic acids research, 33(8), e75-e75 (2005-05-05)
In this paper, we demonstrate in situ synthesis of oligonucleotide probes on poly(dimethylsiloxane) (PDMS) microchannels through use of conventional phosphoramidite chemistry. PDMS polymer was moulded into a series of microchannels using standard soft lithography (micro-moulding), with dimensions <100 microm. The
Efficient trace-labelling of proteins with iodine.
A S McFARLANE
Nature, 182(4627), 53-53 (1958-07-05)
Effects of dye loading conditions on the energy conversion efficiency of ZnO and TiO2 dye-sensitized solar cells.
Chou TP, et al.
The Journal of Physical Chemistry C, 111(50), 18804-18811 (2007)
Michael B Zimmermann
Thyroid : official journal of the American Thyroid Association, 17(9), 829-835 (2007-10-25)
Iodine is required for the production of thyroid hormones, which are essential for normal brain development, and the fetus, newborn, and young child are particularly vulnerable to iodine deficiency. The iodine requirement increases during pregnancy and recommended intakes are in
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