210013
Hydriodic acid
contains no stabilizer, distilled, 57 wt. % in H2O, 99.99% trace metals basis
Synonym(s):
Hydriotic acid
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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
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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
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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.
Signal Word
Danger
Hazard Statements
Precautionary 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
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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)
Methamphetamine synthesis via hydriodic acid/red phosphorus reduction of ephedrine.
Skinner HF.
Forensic Science International, 48(2), 123-134 (1990)
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)
S Ito et al.
Pigment cell research, 11(2), 120-126 (1998-05-19)
Melanocytes produce two chemically distinct types of melanin pigments, eumelanins and pheomelanins. These pigments can be quantitatively analyzed by acidic KMnO4 oxidation or reductive hydrolysis with hydriodic acid (HI) to form pyrrole-2,3,5-tricarboxylic acid (PTCA) or aminohydroxyphenylalanine (AHP), respectively. Dark brown
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