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Merck
CN

57655

Iodine

puriss., ≥99.5% (RT), particles (round)

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About This Item

Empirical Formula (Hill Notation):
I2
CAS Number:
7553-56-2
Molecular Weight:
253.81
UNSPSC Code:
12141916
NACRES:
SB.52
PubChem Substance ID:
329758329
EC Number:
231-442-4
Beilstein/REAXYS Number:
3587194
MDL number:
MFCD00011355
Assay:
≥99.5% (RT)
Form:
particles (round)

Key Documents

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Product Name

Iodine, puriss., ≥99.5% (RT), particles (round)

InChI key

PNDPGZBMCMUPRI-UHFFFAOYSA-N

InChI

1S/I2/c1-2

SMILES string

II

vapor density

9 (vs air)

vapor pressure

0.31 mmHg ( 25 °C)
1 mmHg ( 38.7 °C)

grade

puriss.

assay

≥99.5% (RT)

form

particles (round)

resistivity

1.3E15 μΩ-cm

diam.

1-2 mm

bp

184 °C (lit.)

mp

113 °C (lit.)

Quality Level

200

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Application

Iodine may be used for the isomerization of β-carotene solutions in a study on the spectrophotometric quantification of total β-carotene in food additives.

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

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCD3959
BCCD3958
BCCD3311
BCCC7708
BCCB9816

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A simple spectrophotometric determination of total β-carotene in food additives with varying E/Z-isomer ratios using an isobestic wavelength.
Schierle J, et al.
European Food Research and Technology, 215(3), 268-274 (2002)
Eagleson M.
Concise Encyclopedia Chemistry, 543-543 (1994)
A spectrophotometric investigation of the interaction of iodine with aromatic hydrocarbons.
Benesi HA and Hildebrand JH.
Journal of the American Chemical Society, 71(8), 2703-2707 (1949)
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
Tim I M Korevaar et al.
The Journal of clinical endocrinology and metabolism, 98(11), 4382-4390 (2013-09-17)
Premature delivery is an important risk factor for child mortality and psychiatric, metabolic, and cardiovascular disease later in life. In the majority of cases, the cause of prematurity cannot be identified. Currently, it remains controversial whether abnormal maternal thyroid function
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