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58160

Sigma-Aldrich

Hydriodic acid

puriss. p.a., ≥67% (T)

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

grade

puriss. p.a.

form

liquid

concentration

≥67% (T)

impurities

≤0.001% phosphorous compounds (as PO4)

ign. residue

≤0.005% (as SO4)

bp

127 °C (lit.)

density

1.96 g/mL at 20 °C

anion traces

bromide, chloride (as Cl-): ≤200 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

Ag: ≤0.1 mg/kg
Al: ≤1 mg/kg
As: ≤1 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤1 mg/kg
Cd: ≤0.1 mg/kg
Co: ≤0.1 mg/kg
Cr: ≤0.1 mg/kg
Cu: ≤0.1 mg/kg
Fe: ≤2 mg/kg
K: ≤1 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤5 mg/kg
Mn: ≤0.1 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤1 mg/kg
Ni: ≤0.1 mg/kg
Pb: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Tl: ≤0.1 mg/kg
Zn: ≤0.5 mg/kg

SMILES string

I

InChI

1S/HI/h1H

InChI key

XMBWDFGMSWQBCA-UHFFFAOYSA-N

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Other Notes

Sales restrictions may apply

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 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Methamphetamine synthesis via hydriodic acid/red phosphorus reduction of ephedrine.
Skinner HF.
Forensic Science International, 48(2), 123-134 (1990)
The rate of the reaction between iodic and hydriodic acids.
Dushman S.
The Journal of Physical Chemistry, 8(7), 453-482 (1904)
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
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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