398098
Hydriodic acid
contains no stabilizer, ACS reagent, 55%
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
Recommended Products
grade
ACS reagent
Quality Level
assay
55%
55.0-58.0% (ACS specification)
form
liquid
does not contain
stabilizer
impurities
≤0.75% I2
ign. residue
≤0.01%
bp
127 °C (lit.)
density
1.7 g/mL at 25 °C
anion traces
bromide, chloride (as Cl-): ≤0.05%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.005%
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General description
Hydriodic acid, a strong acid, is hydrogen iodide gas dissolved in water.
Application
Hydriodic acid was used for derivatization of urine samples by iodination to detect aromatic amines using multi-dimensional gas chromatography mass spectrometry (GCxGC-qMS).
It may be used in the following processes:
It may be used in the following processes:
- Deiodination process during the synthesis of partially fluorinated pyridinium bromides.
- As a reducing agent for oxidized graphene nanoribbons (OGN).
- In combination with red phosphorus to reduce pseudoephedrine in the synthesis of methamphetamine.
signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
Storage Class
8B - Non-combustible corrosive hazardous materials
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Patnaik P.
A Comprehensive Guide to the Hazardous Properties of Chemical Substances, 123-123 (2007)
Graphite oxide and graphene nanoribbons reduction with hydrogen iodide.
Cataldo F, et al.
Fullerenes, Nanotubes, and Carbon Nanostructures, 19(5), 461-468 (2011)
Synthesis and biocompatibility evaluation of partially fluorinated pyridinium bromides.
Vyas SM, et al.
New. J. Chem., 30(6), 944-951 (2006)
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
Hailong Li et al.
Journal of agricultural and food chemistry, 60(21), 5307-5310 (2012-05-15)
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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