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Synthetic, Protecting & Derivatization Reagents

Iodine, GR 99.5%+

ARAvailable on request

Iodine, GR 99.5%+ (CAS 7553-56-2) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-000871.

Pack sizes
Iodine, GR 99.5%+ chemical structure
CAS number7553-56-2
FormulaI2
Molar mass253.81 g/mol
Physical formGranules
HS code28012000
UN numberUN 1759
Purity≥99.5%
InChIKeyPNDPGZBMCMUPRI-UHFFFAOYSA-N
IUPAC namemolecular iodine

About Iodine, GR 99.5%+

Iodine, GR 99.5%+ sits in our synthetic, Protecting & Derivatization Reagents section and ships worldwide from stock or short lead time. Key data (AR): CAS 7553-56-2, formula I2 and molar mass 253.81 g/mol. It is described as grey to bluish black to black to violet solid to balls or granules.

Typical applications

  • Organic synthesis
  • Reaction development
  • Medicinal chemistry

Safe handling

It carries the GHS signal word Warning (H312, H332 and H400), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 1759.

Standard pack sizes are 100 g, 500 g and 25 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Organic synthesis
  • Reaction development
  • Medicinal chemistry

Applications

Research Labs and Universities

Grade guides

AR Grade (Analytical Reagent)

Specifications and identifiers

Specifications of Iodine, GR 99.5%+
Product nameIodine, GR 99.5%+
Catalogue numberZX-000871
CAS number7553-56-2
IUPAC namemolecular iodine
Molecular formulaI2
Molar mass253.81 g/mol
Exact mass253.809
GradeAR
Purity / assay≥99.5%
Physical formGranules
AppearanceGrey to bluish black to black to violet solid to balls or granules
XLogP31.7
H-bond donors / acceptors0 / 0
Topological polar surface area0 Ų
HS code28012000
UN numberUN 1759
InChIKeyPNDPGZBMCMUPRI-UHFFFAOYSA-N
SMILESII
PubChem CID807
SynonymsDiiodine, Iodine crystals, Iodine sublimed, Tincture iodine, Vistarin, Eranol, Iosan superdip, Iodine tincture, Iodine colloidal, Iodine Tincture USP, diiodane, iodium

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H312Harmful in contact with skin
  • H332Harmful if inhaled
  • H400Very toxic to aquatic life

Precautionary statements P261, P271, P273, P280, P302 + P352, P304 + P340, P317, P321, P362 + P364, P391, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Iodine, GR 99.5%+
100 gQuoted on request
500 gQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Iodine, GR 99.5%+

Which CAS number identifies Iodine, GR 99.5%+?
Iodine, GR 99.5%+ is registered under CAS 7553-56-2. You may also see it listed as Diiodine, Iodine crystals, Iodine sublimed. Our catalogue number for this item is ZX-000871.
What are the formula and molar mass of Iodine, GR 99.5%+?
For Iodine, GR 99.5%+, its formula is I2 and its molar mass is 253.81 g/mol. The systematic (IUPAC) name is molecular iodine. InChIKey PNDPGZBMCMUPRI-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Iodine, GR 99.5%+?
This listing is AR grade with ≥99.5% purity. Standard packs are 100 g, 500 g, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Iodine, GR 99.5%+?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Iodine, GR 99.5%+ to my country?
Yes. Because Iodine, GR 99.5%+ is classed as hazardous (UN 1759), it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 7553-56-2

All 7 grades

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