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Carboxylic Acids & SaltsAvailable on request

3,5-Diiodosalicylic acid, 99%

Synonyms: 3,5-Diiodo-2-hydroxybenzoic acid · Benzoic acid, 2-hydroxy-3,5-diiodo- · 2-Hydroxy-3,5-diiodobenzoate · 3,5-Diiodosalicylate

CAS No.133-91-5
FormulaC7H4I2O3
Mol. weight389.91
Catalogue No.VQ-008277
Purity99%
HSN29333990

3,5-Diiodosalicylic acid (CAS 133-91-5) – carboxylic acid, 99%. C7H4I2O3, MW 389.91. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
25 g
100 g
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 3,5-Diiodosalicylic acid, 99%

Listed under CAS 133-91-5, 3,5-Diiodosalicylic acid is a carboxylic acid available from Vaqora Chemicals at a purity of 99%. Formula C7H4I2O3, molecular weight 389.91 g/mol. Its systematic (IUPAC) name is 2-hydroxy-3,5-diiodobenzoic acid. Alternative names: 3,5-Diiodo-2-hydroxybenzoic acid and Benzoic acid, 2-hydroxy-3,5-diiodo-.

In its supplied form it is white to beige powder or crystals. Key physical data: a melting point of 220-230 °C (dec.). Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and analytical determinations. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 25 g and 100 g packs, 3,5-Diiodosalicylic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Organic synthesis
  • Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name3,5-Diiodosalicylic acid, 99%
Catalogue No.VQ-008277
CAS Number133-91-5
IUPAC name2-hydroxy-3,5-diiodobenzoic acid
Molecular formulaC7H4I2O3
Molecular weight389.91 g/mol
Exact mass389.825
Purity / assay99%
HSN code29333990
InChIKeyDHZVWQPHNWDCFS-UHFFFAOYSA-N
SMILESC1=C(C=C(C(=C1C(=O)O)O)I)I
PubChem CID8631
Physical properties
Physical formCrystalline
AppearanceWhite to beige powder or crystals
Melting point220-230 °C (dec.)
LogP (XLogP3)4.6
H-bond donors / acceptors2 / 3
TPSA57.5 Ų
Synonyms3,5-Diiodo-2-hydroxybenzoic acid, Benzoic acid, 2-hydroxy-3,5-diiodo-, 2-Hydroxy-3,5-diiodobenzoate, 3,5-Diiodosalicylate, Salicylic acid, 3,5-diiodo-, 2-Hydroxy-3,5-diiodobenzenecarboxylic acid, Benzoic acid, 3,5-diiodo-2-hydroxy-, Salicylic acid,5-diiodo-, 3,5-Di-IodoSalicylicacid, 3,5-diiodo salicylic acid, 3,5-Diiodosalicylic acid, 99%

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of 3,5-Diiodosalicylic acid, 99%?

The CAS Registry Number of 3,5-Diiodosalicylic acid, 99% is 133-91-5. It is also known as 3,5-Diiodo-2-hydroxybenzoic acid, Benzoic acid, 2-hydroxy-3,5-diiodo-, 2-Hydroxy-3,5-diiodobenzoate.

What is the molecular formula and molecular weight of 3,5-Diiodosalicylic acid, 99%?

3,5-Diiodosalicylic acid, 99% has the molecular formula C7H4I2O3 and a molecular weight of 389.91 g/mol. Its IUPAC name is 2-hydroxy-3,5-diiodobenzoic acid.

Which grade and pack sizes of 3,5-Diiodosalicylic acid, 99% can I order?

We supply 3,5-Diiodosalicylic acid, 99% in (99%) grade, in 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3,5-Diiodosalicylic acid, 99%?

Yes. Every lot of 3,5-Diiodosalicylic acid, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3,5-Diiodosalicylic acid, 99% be shipped internationally?

Yes. 3,5-Diiodosalicylic acid, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about 3,5-Diiodosalicylic acid, 99%

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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