Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

57655

Sigma-Aldrich

Iodine

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

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
I2
CAS Number:
7553-56-2
Molecular Weight:
253.81
Beilstein:
3587194
EC Number:
231-442-4
MDL number:
MFCD00011355
UNSPSC Code:
12141916
PubChem Substance ID:
329758329
NACRES:
SB.52

vapor density

9 (vs air)

Quality Level

200

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.)

SMILES string

II

InChI

1S/I2/c1-2

InChI key

PNDPGZBMCMUPRI-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

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.

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

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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)
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
Zulfiqar A Bhutta et al.
Lancet (London, England), 382(9890), 452-477 (2013-06-12)
Maternal undernutrition contributes to 800,000 neonatal deaths annually through small for gestational age births; stunting, wasting, and micronutrient deficiencies are estimated to underlie nearly 3·1 million child deaths annually. Progress has been made with many interventions implemented at scale and
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service