210013
Hydriodic acid
contains no stabilizer, distilled, 57 wt. % in H2O, 99.99% trace metals basis
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All Photos(2)
Synonym(s):
Hydriotic acid
Empirical Formula (Hill Notation):
HI
CAS Number:
Molecular Weight:
127.91
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21
Quality Level
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
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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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)
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)
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