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Key Documents

248649

Sigma-Aldrich

Hydriodic acid

contains ≤1.5% hypophosphorous acid as stabilizer, ACS reagent, ≥47.0%

Sinonimo/i:

Hydriotic acid

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About This Item

Formula empirica (notazione di Hill):
HI
Numero CAS:
Peso molecolare:
127.91
Numero MDL:
Codice UNSPSC:
12352106
ID PubChem:
NACRES:
NA.21

Grado

ACS reagent

Livello qualitativo

Forma fisica

liquid

contiene

≤1.5% hypophosphorous acid as stabilizer

Concentrazione

≥47.0%

P. eboll.

127 °C (lit.)

Densità

1.5 g/mL at 25 °C

Anioni in tracce

bromide, chloride (as Cl-): ≤0.05%
sulfate (SO42-): ≤0.005%

Cationi in tracce

Fe: ≤0.001%
heavy metals: ≤0.001%

Temperatura di conservazione

2-8°C

Stringa SMILE

I

InChI

1S/HI/h1H
XMBWDFGMSWQBCA-UHFFFAOYSA-N

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Applicazioni

Hydriodic acid is a solution of hydrogen iodide in water. It is a strong acid. It is commonly used as a reagent in various reactions such as:
  • electrophilic hydriodination of alkenes and alkynes
  • cleavage of epoxides, ethers, and acetals; conversion of alcohols to iodides   
  • reducing agent for many groups including quinones, α-diketones, α-ketols, α-halo ketones, α-diazo ketones, and sulfoxides      
  • reductive cyclization of keto acids

Hydriodic acid (hypophosphorus acid as a stabilizer) can be used for the fabrication of benzylammonium hybrid layered metal-halide perovskites for spintronic and nonlinear optical applications

Pittogrammi

CorrosionEnvironment

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Codice della classe di stoccaggio

8B - Non-combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

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Journal of Chemical and Engineering Data, 26(3), 254-256 (1981)
Efficient reduction of polycyclic quinones, hydroquinones, and phenols with hydriodic acid.
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The paper reports on a headspace gas chromatographic (HS-GC) method for the determination of methoxyl in lignin. The method involves the quantitive cleavage of methoxyl with hydroiodic acid (HI) to form methyl iodide in a closed headspace sample vial at

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