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Home > Encyclopedia > Cuprous iodide

Cuprous iodide

Cuprous iodide structure

Cuprous iodide 

structure
  • CAS No:

    7681-65-4

  • Formula:

    CuI

  • Chemical Name:

    Cuprous iodide

  • Synonyms:

    Copper iodide (CuI);Cuprous iodide;Copper monoiodide;Copper(I) iodide;Cuprous iodide (CuI);Copper(1+) iodide;TH-V;Copper iodide (Cu0.5I0.5);12527-63-8;40452-11-7;265669-02-1;2490708-39-7

  • Categories:

    Cosmetic Ingredient  >  Antimicrobials

Description

Copper(I) iodide is naturally occurring as the white to reddishbrown mineral marshite. It is essentially insoluble in water but dissolves in complexing media such as ammonia, cyanide, and halide solutions. Copper(I) iodide is manufactured pyrometallurgically by the reaction of hot copper with iodine vapor in a process essentially identical to that for the preparation of copper(I) chloride. It has also been produced by the reaction of copper powder with methanol solutions of iodine at ambient te


DryPowder; OtherSolid

Cuprous iodide Basic Attributes

190.45000

189.83400

DTXSID5041803

DENSE POWDER OR CUBIC CRYSTALS (ZINC BLENDE STRUCTURE)|White cubic crystals|White to brownish yellow powder

2827600000

Characteristics

0 Ų

-2.99850

off white powder

5.67 g/cm3

606 °C

1290 °C (approx)

1290ºC

2.346

H2O: INsoluble

Do not store in direct sunlight. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incom

10 mm Hg ( 656 °C)

LESS PHOTOSENSITIVE THAN CUPROUS BROMIDE OR CUPROUS CHLORIDE; DECOMP BY CONCN SULFURIC ACID AND NITRIC ACID|RED-BROWN CRYSTALS /NATURAL MARSHITE/|CONTAINS 67% IODINE & 33% COPPER.

Safety Information

III

6.1

UN 3077 9/PG 3

3

R36/37/38

S24/25

Xi

Stable under normal temperatures and pressures.

P280-P301 + P312 + P330-P305 + P351 + P338 + P310

H302-H315-H317-H318-H335-H410

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

A mixture of potassium ... /& cuprous iodide/ produces a strong explosion on impact ... .

Substance added directly to human food affirmed as generally recognized as safe (GRAS).

PERSONAL RESPIRATORY PROTECTION IS ONE OF THE CLASSICAL METHODS OF CONTROL IN INDUSTRIAL HYGIENE.

SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.

Inhalation causes irritation of nose & throat. ... Contact with eyes or skin causes irritation.

Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 1 mg/cu m. /Copper (dusts and mists)/

Toxicity

OCCURS IN NATURE AS THE MINERAL MARSHITE ...

Drug Information

EXPTL USE: ORALLY, IT HAS DEMONSTRATED ANTIINFLAMMATORY PROPERTIES IN RATS.|MEDICATION (VET): ORALLY, IN CATTLE & SWINE AS AN EXPECTORANT & IN "FOOT ROT" IN CATTLE. THE FDA HAS QUESTIONED ITS EFFICACY IN THESE CONDITIONS. EXPTL CALF DATA INDICATE INORG IODIDE SERUM LEVELS COMPARABLE TO THOSE OBTAINED WITH THE SAME AMT OF ORAL IODINE IN THE FORM OF POTASSIUM IODIDE OR ETHYLENEDIAMINE DIHYDROIODIDE.

VET: IODISM IS AN INDICATION OF EXCESSIVE INTAKE.

Ionic copper is absorbed from the stomach, duodenum, & jejunum. The initial absorption is about 30%, but the effective net absorption is only about 5% due to excretion of copper into the bile; biliary copper is bound to protein, & this complex is not reabsorbed. Absorption is influenced by a number of factors including the chemical forms of copper: oxides, hydroxides, iodides, glutamates, citrates, & pyrophosphates of copper are readily absorbed, but copper sulfides & other water insoluble salts are poorly absorbed. Copper complexes of some amino acids are easily absorbed, whereas copper porphyrins present in meat are very poorly absorbed. /Soluble copper salts/

Basic treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for shock and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool. Administer activated charcoal ... . /Copper and related compounds/|Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient who is unconscious. Start an IV with lactated Ringer's /SRP: "To keep open", minimal flow rate/. Watch for signs of fluid overload. For hypotension with signs of hypovolemia, administer fluid cautiously. Consider vasopressors if hypotensive with a normal fluid volume. Watch for signs of fluid overload ... . Use proparacaine, hydrochloride to assist eye irrigation ... . /Copper and related compounds/

Copper (I) iodide

Cuprous iodide Use and Manufacturing

Methods of Manufacturing

Interaction of solutions of potassium iodide and copper sulfate.|Manufactured pyrometallurgically by the reaction of hot copper with iodine vapor. Alternatively, copper(II) salt solutions are reacted with alkali iodides to precipitate copper(I) iodide.

Uses

Used as a catalyst in organic reactions.


Nylon Heat Stabilizer


Automotive care products

Production

100,000 - 500,000 lb

USEPA/OPP Pesticide Code 108301; Trade Names: None listed.|AVAILABLE IN A PURIFIED GRADE AND A POWDER GRADE|Grades of purity: Anhydrous, 99+%

Plastic material and resin manufacturing|Copper iodide (CuI): ACTIVE

Computed Properties

Molecular Weight:190.45
Exact Mass:189.83407
Monoisotopic Mass:189.83407
Heavy Atom Count:2
Complexity:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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