I

Iodine monochloride

ClI Inorganic Compounds CAS 7790-99-0
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Quick Reference
Formula / NotationClI
CAS Number7790-99-0
Molecular Weight162.36
Melting PointALPHA 27.2; BETA 13.9 °C
Boiling Point97 °C, DECOMP
Density3.10 @ 29 °C/4 °C
SolubilitySOL IN WATER, ALC, ETHER, CARBON DISULFIDE, ACETIC ACID
AppearanceIodine monochloride appears as black crystals or a reddish brown oily liquid with a pungent odor. Melting point 27 °C (alpha form) or 14 °C (beta form). Corrosive to metals and tissue.
Also Known As7790-99-0; Iodine chloride; Iodochlorine; Iodine chloride (ICl); Wijs' chloride; Chlorine iodide (ClI); Protochlorure D'iode; 0SMG5NLU45; DTXSID1064879; RefChem:148492
CategoryInorganic Compounds

What is Iodine monochloride?

Iodine monochloride (ClI) is an inorganic compound that appears as Iodine monochloride appears as black crystals or a reddish brown oily liquid with a pungent odor. Melting point 27 °C (alpha form) or 14 °C (beta form). Corrosive to metals and tissue.. It has a molecular weight of 162.36 g/mol. Boiling point: 97 °C, DECOMP. Melting point: ALPHA 27.2; BETA 13.9 °C.

Formula & Notation

ClI

Other Names / Synonyms: 7790-99-0; Iodine chloride; Iodochlorine; Iodine chloride (ICl); Wijs' chloride; Chlorine iodide (ClI); Protochlorure D'iode; 0SMG5NLU45; DTXSID1064879; RefChem:148492

Properties & Characteristics

Appearance: Iodine monochloride appears as black crystals or a reddish brown oily liquid with a pungent odor. Melting point 27 °C (alpha form) or 14 °C (beta form). Corrosive to metals and tissue.. Molecular formula: ClI. Molecular weight: 162.36 g/mol. Boiling point: 97 °C, DECOMP. Melting point: ALPHA 27.2; BETA 13.9 °C. Density: 3.10 @ 29 °C/4 °C. Solubility: SOL IN WATER, ALC, ETHER, CARBON DISULFIDE, ACETIC ACID. LogP: 1.7.

Physical Data

PropertyValue
Melting PointALPHA 27.2; BETA 13.9 °C
Boiling Point97 °C, DECOMP
Density3.10 @ 29 °C/4 °C
Molecular Weight162.36
SolubilitySOL IN WATER, ALC, ETHER, CARBON DISULFIDE, ACETIC ACID
AppearanceIodine monochloride appears as black crystals or a reddish brown oily liquid with a pungent odor. Melting point 27 °C (alpha form) or 14 °C (beta form). Corrosive to metals and tissue.

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Iodine monochloride
Formula ClI
CAS Number 7790-99-0
Molecular Weight 162.36
Synonyms 7790-99-0; Iodine chloride; Iodochlorine; Iodine chloride (ICl); Wijs' chloride; Chlorine iodide (ClI); Protochlorure D'iode; 0SMG5NLU45; DTXSID1064879; RefChem:148492

Frequently Asked Questions

Iodine monochloride (ClI) is an inorganic compound that appears as Iodine monochloride appears as black crystals or a reddish brown oily liquid with a pungent odor. Melting point 27 °C (alpha form) or 14 °C (beta form). Corrosive to metals and tissue.. It has a molecular weight of 162.36 g/mol. Boiling point: 97 °C, DECOMP. Melting point: ALPHA 27.2; BETA 13.9 °C.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.