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Merck
CN

58160

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
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352106
MDL number:
Concentration:
≥67% (T)
Form:
liquid
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InChI

1S/HI/h1H

SMILES string

I

InChI key

XMBWDFGMSWQBCA-UHFFFAOYSA-N

grade

puriss. p.a.

form

liquid

concentration

≥67% (T)

impurities

≤0.001% phosphorous compounds (as PO4)

ign. residue

≤0.005% (as SO4)

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

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Other Notes

Sales restrictions may apply

pictograms

CorrosionEnvironment

signalword

Danger

Hazard Classifications

Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

监管及禁止进口产品
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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)
The rate of the reaction between iodic and hydriodic acids.
Dushman S.
The Journal of Physical Chemistry, 8(7), 453-482 (1904)
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)
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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