Merck
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03002

Sigma-Aldrich

Iodine

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

Empirical Formula (Hill Notation):
I2
CAS Number:
Molecular Weight:
253.81
Beilstein:
3587194
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor density

9 (vs air)

Quality Level

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%.

Signal Word

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 Code

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

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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