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Molekula

Molekula

Iodine Resublimed

SKU 90023714 CAS 7553-56-2 I2 MW 253.81 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Iodine Resublimed is a non-metallic element in its purest form, widely used as an antiseptic, disinfectant, and reagent in laboratories, pharmaceuticals, and industrial processes. It is also employed in the production of iodized salt and as a catalyst in organic synthesis. This chemical has a CAS number of 7553-56-2, with a molecular formula of I2 and a molecular weight of 253.81 g/mol. It is stored at ambient conditions but requires careful handling due to its hazardous nature, marked by the signal word "Danger." Molekula supplies Iodine Resublimed from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

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Specifications

Property Value
Appearance Dark solid
Assay ≥99.5%
Non-Volatile Matter ≤0.04%
Sulphates (SO4)(2-) ≤100ppm
Chloride and Bromide ≤150ppm

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 8 (6.1)
Packing Group III
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Bluish-black, lustrous solid
Odour Sharp characteristic odor.
Melting Point 113.7 °C
Boiling Point 184.4 °C
Density 4.9 (relative, water = 1)
Vapour Pressure 0.04 kPa at 25 °C
log P (octanol/water) 2.49

Source: PubChem CID 807 (HSDB, ICSC)

Identification

Property Value
SKU 90023714
CAS Number 7553-56-2
IUPAC Name molecular iodine
EC Number 231-442-4
Molecular Formula I2
Molecular Weight 253.81
Exact Mass 253.809
SMILES II
InChIKey PNDPGZBMCMUPRI-UHFFFAOYSA-N
InChI InChI=1S/I2/c1-2
PubChem CID 807
UN Number UN3495
REACH Code Y110
TSCA Listed Yes
HTS Code 28012000
Tariff Code 2801200000

Safety & GHS

Danger
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H372 Causes damage to organs through prolonged or repeated exposure
  • H400 Very toxic to aquatic life

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • Diiodine
  • Eranol
  • Iode
  • iodine
  • Iodine crystals
  • Iodine sublimed
  • Iodio
  • Molecular iodine
  • Tincture iodine
  • Vistarin

Frequently asked questions

What is iodine resublimed used for?

Iodine resublimed is primarily used in analytical chemistry (e.g., titrations), pharmaceuticals (antiseptic solutions), and as a reagent in organic synthesis, including iodination reactions.

What is the chemical formula and molecular weight of iodine resublimed?

The chemical formula is **I₂**, and the molecular weight is **253.81 g/mol**.

How should iodine resublimed be stored?

Store in a tightly sealed container at **ambient temperature**, away from light, moisture, and incompatible substances like metals or reducing agents.

What grades of iodine resublimed does Molekula supply?

Molekula supplies **ACS reagent grade** iodine resublimed, meeting high-purity standards for laboratory and industrial applications.

Can Molekula supply iodine resublimed in bulk quantities?

Yes, we offer iodine resublimed in bulk packaging (e.g., 5 kg, 25 kg, or larger), subject to availability and customer requirements.

What documentation comes with an order of iodine resublimed?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, heavy metals, and other relevant tests.

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