Skip to Content
Merck
All Photos(2)

Key Documents

210013

Sigma-Aldrich

Hydriodic acid

contains no stabilizer, distilled, 57 wt. % in H2O, 99.99% trace metals basis

Synonym(s):

Hydriotic acid

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
HI
CAS Number:
Molecular Weight:
127.91
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21

Assay

99.99% trace metals basis

form

liquid

does not contain

stabilizer

concentration

57 wt. % in H2O

bp

127 °C (lit.)

mp

-50 °C

density

1.701 g/mL at 25 °C

storage temp.

room temp

SMILES string

I

InChI

1S/HI/h1H

InChI key

XMBWDFGMSWQBCA-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Hydriodic acid (HI) along with red phosphorus (HI/red P) plays the role of a reducing agent for the preparation of methamphetamine. HI/Phosphorous causes the reduction of various polycyclic quinones. HI also participates as a reducing agent for the conversion of various polyarene quinones, hydroquinones and phenols to the corresponding aromatic hydrocarbons.
Hydriodic acid is hydrogen iodide gas dissolved in water. It is a strong acid generally used as a reducing agent.

Application

Hydriodic acid may be used in the synthesis of trideuterio-[13C]-methyl iodide and [13C]-methyl iodide.

Pictograms

CorrosionEnvironment

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

A practical laboratory route to the synthesis of trideuteriomethyl-[13C] iodide.
Coumbarides GS, et al.
Journal of Labelled Compounds & Radiopharmaceuticals, 46(4), 291-296 (2003)
Patnaik P.
A Comprehensive Guide to the Hazardous Properties of Chemical Substances, 123 (2007)
Efficient reduction of polycyclic quinones, hydroquinones, and phenols with hydriodic acid.
Konieczny M and Harvey RG.
The Journal of Organic Chemistry, 44(26), 4813-4816 (1979)
Kazumasa Wakamatsu et al.
Pigment cell & melanoma research, 22(4), 474-486 (2009-06-06)
Pheomelanogenesis is a complex pathway that starts with the oxidation of tyrosine (or DOPA, 3,4-dihydroxyphenylalanine) by tyrosinase in the presence of cysteine, which results in the production of 5-S-cysteinyldopa and its isomers. Beyond that step, relatively little has been clarified
Relationships between circulating and intracellular thyroid hormones: physiological and clinical implications.
P R Larsen et al.
Endocrine reviews, 2(1), 87-102 (1981-01-01)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service