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402990

Sigma-Aldrich

Iodine monochloride

ACS reagent, 1.10±0.1 I/Cl ratio basis

Synonym(s):

Chloroiodide

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25 G
€56.00
100 G
€144.00
1 KG
€1,380.00

About This Item

Linear Formula:
ICl
CAS Number:
7790-99-0
Molecular Weight:
162.36
EC Number:
232-236-7
MDL number:
MFCD00011354
UNSPSC Code:
12352300
PubChem Substance ID:
329755974
NACRES:
NB.24
grade:
ACS reagent
form:
solid or liquid
solubility:
acetic acid: soluble(lit.)
acetone: soluble(lit.)
alcohol: soluble(lit.)
carbon disulfide: soluble(lit.)

€56.00

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grade

ACS reagent

Quality Level

200

form

solid or liquid

impurities

≤0.005% insolubles

bp

97.4 °C (lit.)

solubility

acetic acid: soluble(lit.)
acetone: soluble(lit.)
alcohol: soluble(lit.)
carbon disulfide: soluble(lit.)

density

3.24 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

ClI

InChI

1S/ClI/c1-2

InChI key

QZRGKCOWNLSUDK-UHFFFAOYSA-N

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General description

Iodine monochloride is an interhalogen compound.[1] It forms various complexes with ethyl, isopropyl and t-butylbenzenes. Equilibrium constants for the formation of these complexes have been evaluated.[2] It affords electrically conducting solution on dissolution in polar solvents.[3] Its reaction with thymidine, 3-mono- and 3,3′,5′-trialkylsubstitued thymidine showed that it helps in deglycosylation, anomerization and isomerization of thymidine.[1]

Application

Iodine monochloride (ICl) may be employed for the halogenation of methoxy and dimethoxybenzenes.[3] It may be used for the synthesis of flavones.[4]
Iodine monochloride may be used in the synthesis of the following:
  • 2-(4-haloisoquinolin-1-yl)ethanol derivatives[5]
  • 5-iodosalicylaldehydes[6]
  • 5-aryl-6-iodo-8-phenylpyrazolo[1,5-c]-1,2,4-triazolo[4,3-a]pyrimidines[7]
  • (±)-1-cyclohexyl-4-iodo-3-methoxybutan-1-ol[8]
  • (±)-4-Iodo-3-methoxy-1-phenylbutan-1-ol[8]

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H314,H335

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCX1629
MKCW0034
MKCL8779
MKCL8778
MKCL8776

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Three-Component Reactions of 2-Alkynylbenzaldoximes and α, β-Unsaturated Carbonyl Compounds with Bromine or Iodine Monochloride.
Ye S, et al.
Advanced Synthesis & Catalysis, 352(10), 1746-1751 (2010)
Eagleson M.
Concise Encyclopedia Chemistry, 477-477 (1994)
Synthesis of Luminescent Ethynyl-Extended Regioisomers of Borate Complexes Based on 2-(2'-Hydroxyphenyl) benzoxazole.
23 Massue J, et al.
Chemistry (Weinheim An Der Bergstrasse, Germany), 19(17), 5375-5386 (2013)
Synthesis and Electrophilic Substitutions of Novel Pyrazolo [1, 5-c]-1, 2, 4-triazolo [4, 3-a] pyrimidines.
Atta KFM.
Molecules (Basel), 16(8), 7081-7096 (2011)
Brisbois RG, et al.
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2013)
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Questions

  1. what will be the normality if 10 ml of ICl diluted to 1800ml acetic acid

    1 answer

    1. Given that the ICl content of this product is approximately 90%, the calculated value is 0.10 N.
      Here is the calculation:
      (10 mL ICl / 1.800 LIters solution) X (3.24 grams ICl / 1 mL ICl) X (1 mole ICl / 162.36 g ICl) = 0.11 N.

      Please see the link below to review a sample Certificate of Analysis:
      https://www.sigmaaldrich.com/certificates/COFA/40/402990/402990-1KG-PW_____MKCL8779__.pdf

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