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Cas Database

Name	CUPROUS IODIDE	EINECS	231-674-6
CAS No.	7681-65-4	Density	5.62 g/cm³
PSA	0.00000	LogP	-2.99850
Solubility	insoluble in water	Melting Point	605 °C(lit.)
Formula	CuI	Boiling Point	1290 °C
Molecular Weight	190.451	Flash Point	1290°C
Transport Information	UN 3077 9/PG 3	Appearance	white to grey or tan powder
Safety	22-24/25-26-61	Risk Codes	22-36/37/38-50/53
Molecular Structure		Hazard Symbols	Xn,N,Xi
Synonyms	Coppermonoiodide;Copper(1+) iodide;Copper(I) iodide;Cuprous iodide(CuI);Copper iodide (CuI);	Article Data	243

CUPROUS IODIDE Synthetic route

: nickel(II) iodide

: 201230-82-2
carbon monoxide

: 12775-96-1, 15158-11-9, 15721-63-8, 16941-75-6, 17493-86-6, 19498-52-3, 20499-83-6, 20499-84-7, 20499-85-8, 20499-86-9, 20573-10-8, 20573-11-9, 21595-51-7, 21595-52-8, 22206-52-6, 26445-28-3, 28959-95-7, 37362-93-9, 39417-05-5, 54603-16-6, 54603-23-5, 54603-32-6, 54603-40-6, 54603-48-4, 54603-81-5, 54603-89-3, 56316-56-4, 95985-91-4, 122297-32-9, 7440-50-8
copper

A: 7681-65-4
copper(l) iodide

B: 13463-39-3, 71564-36-8
tetracarbonyl nickel

Conditions

Conditions	Yield
In neat (no solvent) High Pressure; in autoclave at 200 atm and 200 - 250°C;;	A n/a B 100%
In neat (no solvent) High Pressure; in autoclave at 120 - 180°C;;	A n/a B 100%

: 279221-52-2
SmI2(O(CH2)4)4

: 35342-67-7, 35342-68-8
copper (I) tert-butoxide

A: 7681-65-4
copper(l) iodide

B: samarium tert-butoxycuprate

C: 12775-96-1, 15158-11-9, 15721-63-8, 16941-75-6, 17493-86-6, 19498-52-3, 20499-83-6, 20499-84-7, 20499-85-8, 20499-86-9, 20573-10-8, 20573-11-9, 21595-51-7, 21595-52-8, 22206-52-6, 26445-28-3, 28959-95-7, 37362-93-9, 39417-05-5, 54603-16-6, 54603-23-5, 54603-32-6, 54603-40-6, 54603-48-4, 54603-81-5, 54603-89-3, 56316-56-4, 95985-91-4, 122297-32-9, 7440-50-8
copper

Conditions

Conditions	Yield
In tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of t-BuOCu added to a blue-green soln. of Sm complex; ppt. sepd. and washed with 10% HNO3; ppt. of CuI insoluble in HNO3 sepd. off; remaining soln. concd. and kept at 80° until complete dissolution of a fine ppt.; cooled slowly to ca. 20°; crystal sepd.; dried; identified by elem. anal., IR;	A 100% B 97.7% C 92.3%

Yield

In tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of t-BuOCu added to a blue-green soln. of Sm complex; ppt. sepd. and washed with 10% HNO3; ppt. of CuI insoluble in HNO3 sepd. off; remaining soln. concd. and kept at 80° until complete dissolution of a fine ppt.; cooled slowly to ca. 20°; crystal sepd.; dried; identified by elem. anal., IR;

A 100%
B 97.7%
C 92.3%

: 147312-03-6
LaI3(tetrahydrofuran)3

: 35342-67-7, 35342-68-8
copper (I) tert-butoxide

A: 7681-65-4
copper(l) iodide

B: lanthanum tert-butoxycuprate

Conditions

Conditions	Yield
In tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of the cuprate added to a soln. of La complex; stirred for 0.5 h at ca. 20° and for 2 h at 60°; ppt. of CuI sepd. by centrifugation; reaction mixt. concd. and kept at 80° until complete dissolution of a finely dispersed ppt.; cooledslowly to 20°; crystals sepd. and dried in vacuo; identified by elem. anal. and IR spectrum;	A 90.2% B 95%

Yield

In tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of the cuprate added to a soln. of La complex; stirred for 0.5 h at ca. 20° and for 2 h at 60°; ppt. of CuI sepd. by centrifugation; reaction mixt. concd. and kept at 80° until complete dissolution of a finely dispersed ppt.; cooledslowly to 20°; crystals sepd. and dried in vacuo; identified by elem. anal. and IR spectrum;

A 90.2%
B 95%

: 113316-94-2
tris(tetrahydrofurane)triiodidoneodymium(III)

: 35342-67-7, 35342-68-8
copper (I) tert-butoxide

A: 7681-65-4
copper(l) iodide

B: neodymium tert-butoxycuprate

Conditions

Conditions	Yield
In tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of the cuprate added to a soln. of Nd complex; stirred for 0.5 h at ca. 20° and for 2 h at 60°; ppt. of CuI sepd. by centrifugation; reaction mixt. concd. and kept at 80° until complete dissolution of a finely dispersed ppt.; cooledslowly to 20°; crystals sepd. and dried in vacuo; identified by elem. anal. and IR spectrum;	A n/a B 90.3%

Yield

In tetrahydrofuran all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; soln. of the cuprate added to a soln. of Nd complex; stirred for 0.5 h at ca. 20° and for 2 h at 60°; ppt. of CuI sepd. by centrifugation; reaction mixt. concd. and kept at 80° until complete dissolution of a finely dispersed ppt.; cooledslowly to 20°; crystals sepd. and dried in vacuo; identified by elem. anal. and IR spectrum;

A n/a
B 90.3%

: 7553-56-2
iodine

: 12775-96-1, 15158-11-9, 15721-63-8, 16941-75-6, 17493-86-6, 19498-52-3, 20499-83-6, 20499-84-7, 20499-85-8, 20499-86-9, 20573-10-8, 20573-11-9, 21595-51-7, 21595-52-8, 22206-52-6, 26445-28-3, 28959-95-7, 37362-93-9, 39417-05-5, 54603-16-6, 54603-23-5, 54603-32-6, 54603-40-6, 54603-48-4, 54603-81-5, 54603-89-3, 56316-56-4, 95985-91-4, 122297-32-9, 7440-50-8
copper

: 7681-65-4
copper(l) iodide

Conditions

Conditions	Yield
In acetone
In neat (no solvent) on treatment with I2-vapors at 360°C;;
vapor deposited Cu film was inserted into an iodine-containing reacted atmosphere;;

: copper(II) choride dihydrate

: 7681-11-0
potassium iodide

: 7681-65-4
copper(l) iodide

Conditions

Conditions	Yield
In water pptg. from a CuCl2*2H2O soln. with an excess of KI soln.; Debye-Scherrer XRD;

: 7553-56-2
iodine

: 7681-65-4
copper(l) iodide

Conditions

Conditions	Yield
With copper(II) sulfate In not given iodine containing compounds used;
With alkali sulfite; copper(II) sulfate In not given iodine containing compounds used;

: 7553-56-2
iodine

: 7787-70-4
copper(I) bromide

: 7681-65-4
copper(l) iodide

Conditions

Conditions	Yield
In water; xylene byproducts: CuBr2; shaking a soln. of CuBr in concd. Br(1-) soln. with I2 in xylol, reversible react.;;

: 7553-56-2
iodine

: copper(l) chloride

: 7681-65-4
copper(l) iodide

Conditions

Conditions	Yield
In water; xylene byproducts: CuCl2; shaking a soln. of CuCl in concd. Cl(1-) soln. with I2 in xylol, reversible react.;;

: 7553-56-2
iodine

: copper(l) chloride

A: 7681-65-4
copper(l) iodide

B: CuClI

Conditions

Conditions	Yield
In ethanol Kinetics; alcoholic soln. of iodine addn. to AgCl in container with ground stopper, keeping for 2, 4 or 8 h at 60°C; X-ray diffraction;

CUPROUS IODIDE Chemical Properties

IUPAC Name:copper(1+) iodide
Molecular Formula:CuI
Molecular Weight:190.45
EINECS:231-674-6
Density:5.62 g/mL at 25 °C(lit.)
Melting Point:605 °C
Boiling Point:1290 °C
Solubility:Insoluble in water
Sensitive:Air & Moisture Sensitive
Appearance:Off white powder
Cuprous iodide's(7681-65-4) Synonyms: Copper iodide (CuI);CuI;Hydro-giene;Marshite;COPPER(+1)IODIDE;COPPER IODIDE;COPPER(I) IODIDE;Ciras
Cuprous iodide's(7681-65-4) Molecular Structure:

CUPROUS IODIDE Uses

Cuprous iodide(7681-65-4) can be used as a catalyst in organic reactions.

CUPROUS IODIDE Safety Profile

When heated to decomposition it emits toxic fumes of I⁻.

Safety Information of Cuprous iodide(7681-65-4)
Hazard Codes Xn,N,Xi
Risk Statements 22-36/37/38-50/53
Safety Statements 22-24/25-26-61
RIDADR UN 3077 9/PG 3
WGK Germany 3
F 8
HS Code 28276000

CUPROUS IODIDE Standards and Recommendations

ACGIH TLV: TWA (fume) 0.2 mg/m³; (dust, mist) 1 mg(Cu)/m³

CUPROUS IODIDE Specification

Stability and Reactivity of Cuprous iodide(7681-65-4)
【Disposal Code】15
【Incompatibilities】Oxidizing agents, alkali metals, potassium, acetylene.
【Stability】Stable under normal temperatures and pressures.
【Decomposition】Hydrogen iodide, iodine.
【Combustion Products】Fire may produce irritating, corrosive and/or toxic gases.

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