Potassium iodide, 99%

Name: Potassium iodide, 99%
Brand: Vaqora Chemicals
SKU: VQ-014041

About Potassium iodide, 99%

Potassium iodide is an alkali metal compound carrying the CAS registry number 7681-11-0, specified at 99% purity. The compound has the formula IK, corresponding to a molecular weight of 166.0 g/mol. Common synonyms include Thyro-Block and Kali iodide.

In its supplied form it is a white powder or crystals or crystalline powder. Key physical data: a melting point of 681 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include pharmaceutical synthesis and analytical determinations. Typical end-use sectors are academic and industrial research.

Standard pack sizes are 100 g, 250 g, 500 g and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmaceutical synthesis
Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Potassium iodide, 99%
Catalogue No.	VQ-014041
CAS Number	7681-11-0
IUPAC name	potassium iodide
Molecular formula	IK
Molecular weight	166 g/mol
Exact mass	165.8682
Purity / assay	99%
HSN code	28276010
InChIKey	NLKNQRATVPKPDG-UHFFFAOYSA-M
SMILES	[K+].[I-]
PubChem CID	4875

Physical properties
Physical form	Crystalline
Appearance	White powder or crystals or crystalline powder
Melting point	681 °C
H-bond donors / acceptors	0 / 1
TPSA	0 Å²
Synonyms	Thyro-Block, Kali iodide, Knollide, Kisol, Potassium iodide (KI), Potassium monoiodide, Kalii iodidum, Asmofug E, Potassium diiodide, Dipotassium diiodide, Joptone, Potide

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H372Causes damage to organs through prolonged or repeated exposure
H373May causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P233, P260, P261, P264, P264 + P265, P270, P271, P272, P273, P280, P284, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P342 + P316, P362 + P364, P391

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

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7681-11-0

Reference Standard

Potassium Iodide

CAS: 7681-11-0
Formula: IK
MW: 166 g/mol

VQ-014039

Potassium iodide 0.1M solution

CAS: 7681-11-0
Formula: IK
MW: 166 g/mol

VQ-003631

Potassium iodide 0.1M standardized solution

CAS: 7681-11-0
Formula: IK
MW: 166 g/mol

VQ-000112

Potassium iodide 1M solution

CAS: 7681-11-0
Formula: IK
MW: 166 g/mol

VQ-000113

Potassium iodide 1M standardized solution

CAS: 7681-11-0
Formula: IK
MW: 166 g/mol

VQ-000114

Potassium iodide 3M solution

CAS: 7681-11-0
Formula: IK
MW: 166 g/mol

VQ-000115

Potassium iodide 3M standardized solution

CAS: 7681-11-0
Formula: IK
MW: 166 g/mol

VQ-000116

ACS

Potassium iodide ACS reagent, 99.8%

CAS: 7681-11-0
Formula: IK
MW: 166 g/mol

VQ-014040

All 16 products with CAS 7681-11-0 →

Frequently asked questions

What is the CAS number of Potassium iodide, 99%?

The CAS Registry Number of Potassium iodide, 99% is 7681-11-0. It is also known as Thyro-Block, Kali iodide, Knollide.

What is the molecular formula and molecular weight of Potassium iodide, 99%?

Potassium iodide, 99% has the molecular formula IK and a molecular weight of 166 g/mol. Its IUPAC name is potassium iodide.

Which grade and pack sizes of Potassium iodide, 99% can I order?

We supply Potassium iodide, 99% in (99%) grade, in 100 g, 250 g, 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium iodide, 99%?

Yes. Every lot of Potassium iodide, 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 Potassium iodide, 99% be shipped internationally?

Yes. Potassium iodide, 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.