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58160

Sigma-Aldrich

Hydriodic acid

puriss. p.a., ≥67% (T)

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Synonym(s):
Hydriotic acid
Empirical Formula (Hill Notation):
HI
CAS Number:
Molecular Weight:
127.91
MDL number:
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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1 of 4

This Item
248649398098752851
Hydriodic acid puriss. p.a., ≥67% (T)

Sigma-Aldrich

58160

Hydriodic acid

-
Hydriodic acid contains ≤1.5% hypophosphorous acid as stabilizer, ACS reagent, ≥47.0%

Sigma-Aldrich

248649

Hydriodic acid

Essential Grade
Hydriodic acid contains no stabilizer, ACS reagent, 55%

Sigma-Aldrich

398098

Hydriodic acid

Essential Grade
Hydriodic acid 57 wt. %, distilled, 99.999% trace metals basis

Sigma-Aldrich

752851

Hydriodic acid

-
form

liquid

form

liquid

form

liquid

form

liquid

concentration

≥67% (T)

concentration

≥47.0%

concentration

-

concentration

57 wt. %

impurities

≤0.001% phosphorous compounds (as PO4)

impurities

-

impurities

≤0.75% I2

impurities

-

bp

127 °C (lit.)

bp

127 °C (lit.)

bp

127 °C (lit.)

bp

127 °C (lit.)

density

1.96 g/mL at 20 °C

density

1.5 g/mL at 25 °C

density

1.7 g/mL at 25 °C

density

-

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(C)

Not applicable


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The rate of the reaction between iodic and hydriodic acids.
Dushman S.
The Journal of Physical Chemistry, 8(7), 453-482 (1904)
Methamphetamine synthesis via hydriodic acid/red phosphorus reduction of ephedrine.
Skinner HF.
Forensic Science International, 48(2), 123-134 (1990)
Daniel J Weisenberger et al.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 24(3), 512-519 (2015-01-15)
The CpG island methylator phenotype (CIMP) represents a subset of colorectal cancers characterized by widespread aberrant DNA hypermethylation at select CpG islands. The risk factors and environmental exposures contributing to etiologic heterogeneity between CIMP and non-CIMP tumors are not known.
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
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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