ChemicalBook > CAS DataBase List > 5,7-Diiodo-8-quinolinol

5,7-Diiodo-8-quinolinol

Product Name
5,7-Diiodo-8-quinolinol
CAS No.
83-73-8
Chemical Name
5,7-Diiodo-8-quinolinol
Synonyms
IODOQUINOL;DIIODOHYDROXYQUINOLINE;DIIODOHYDROXYQUIN;5,7-DIIODO-8-HYDROXYQUINOLINE;ss578;Dyodin;Ioquin;SS 578;Yodoxin;Zoaquin
CBNumber
CB2170413
Molecular Formula
C9H5I2NO
Formula Weight
396.95
MOL File
83-73-8.mol
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5,7-Diiodo-8-quinolinol Property

Melting point:
>200 °C (dec.) (lit.)
Boiling point:
370.95°C (rough estimate)
Density 
2.3013 (estimate)
storage temp. 
Refrigerator
solubility 
DMSO (Slightly, Heated), Ethyl Acetate (Slightly, Heated)
form 
Solid
pka
pKa 8.0 (Uncertain)
color 
Pale Yellow to Light Beige
Water Solubility 
1g/L at 26℃
Merck 
14,5042
InChIKey
UXZFQZANDVDGMM-UHFFFAOYSA-N
LogP
0.602 at 26℃
CAS DataBase Reference
83-73-8(CAS DataBase Reference)
NIST Chemistry Reference
5,7-Diiodo-8-hydroxyquinoline(83-73-8)
EPA Substance Registry System
5,7-Diiodo-8-quinolinol (83-73-8)
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Safety

Hazard Codes 
Xn
Risk Statements 
22-41
Safety Statements 
26-36/37/39
RIDADR 
3249
WGK Germany 
3
RTECS 
VC5775000
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
29334900
Hazardous Substances Data
83-73-8(Hazardous Substances Data)
Toxicity
LD50 intravenous in mouse: 56mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D123609
Product name
5,7-Diiodo-8-hydroxyquinoline
Purity
97%
Packaging
100g
Price
$262
Updated
2024/03/01
Sigma-Aldrich
Product number
1344509
Product name
5,7-Diiodo-8-hydroxyquinoline
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
100mg
Price
$393
Updated
2024/03/01
TCI Chemical
Product number
D1736
Product name
5,7-Diiodo-8-hydroxyquinoline
Purity
>98.0%(T)
Packaging
25g
Price
$46
Updated
2021/12/16
TRC
Product number
I728400
Product name
Iodoquinol
Packaging
1g
Price
$125
Updated
2021/12/16
Matrix Scientific
Product number
092126
Product name
5,7-Diiodoquinolin-8-ol
Purity
95+%
Packaging
100g
Price
$252
Updated
2021/12/16
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5,7-Diiodo-8-quinolinol Chemical Properties,Usage,Production

Originator

Diiodohydroxyquinoline,Adco Co.

Uses

Iodoquinol is an amebocide used against E. histolytica, and it is active against both cysts and trophozoites that are localized in the lumen of the intestine. It is considered the drug of choice for treating asymptomatic or moderate forms of amebiasis. The mechanism of action is unknown. Iodoquinol is used for diseases caused by moderate intestinal amebiasis. Synonyms of this drug are diquinol, iodoxin, diiodoquin, amebaquin, and others.

Uses

It acts as an amoebicidal and so used in the treatment of amoebiasis, balantidiasis (an infection caused by protozoa).

Indications

Iodoquinol (diiodohydroxyquin, Yodoxin, Moebiquin) is a halogenated 8-hydroxyquinoline derivative whose precise mechanism of action is not known but is thought to involve an inactivation of essential parasite enzymes. Iodoquinol kills the trophozoite forms of E. histolytica, B. coli, B. hominis, and Dientamoeba fragilis.
Iodoquinol is absorbed from the gastrointestinal tract and is excreted in the urine as glucuronide and sulfate conjugates. Most of an orally administered dose is excreted in the feces. Iodoquinol has a plasma half-life of about 12 hours.
Iodoquinol is the drug of choice in the treatment of asymptomatic amebiasis and D. fragilis infections. It is also used in combination with other drugs in the treatment of other forms of amebiasis and as an alternative to tetracycline in the treatment of balantidiasis.
Adverse reactions are related to the iodine content of the drug; the toxicity is often expressed as skin reactions, thyroid enlargement, and interference with thyroid function studies. Headache and diarrhea also occur. Chronic use of clioquinol, a closely related agent, has been linked to a myelitislike illness and to optic atrophy with permanent loss of vision.

Definition

ChEBI: Iodoquinol is a monohydroxyquinoline that is quinolin-8-ol in which the hydrogens at positions 5 and 7 are replaced by iodine. It is considered the drug of choice for treating asymptomatic or moderate forms of amoebiasis. It has a role as an antiamoebic agent, an antibacterial agent, an antiseptic drug and an antiprotozoal drug. It is a monohydroxyquinoline and an organoiodine compound.

Manufacturing Process

5,7-Diiodo-8-quinolinol widely used as an intestinal antiseptic, especially as an antiamebic agent. It is also used topically in other infections and may cause CNS and eye damage. It is known by very many similar trade names worldwide.
0.01 mol 8-oxychinoline and 0.01 mol salicylic acid were dissolved in 500 ml of water and then 0.05 mol potassium iodide was added. The mixture was heated to temperature 90°-100°C. After that 0.01 mol of KIO3 by little tiles was added. The next tile was added after a disappearence of discharging iodine. Then 10 ml 2 N HCl was added. The solid product was fallen, filtered off, washed with hot water and in 0.25 N NaOH dissolved. The solution was filtered and the clear filtrate precipitated with a very little excess of HCl. The product 5,7-diiodo-8-quinolinol was filtered, washed with hot water and dried. MP: 200°-250°C (with decomposition).

brand name

Quinadome (Bayer); Yodoxin (Glenwood).

Therapeutic Function

Antibacterial

Flammability and Explosibility

Non flammable

Clinical Use

5,7-Diiodo-8-quinolinol, 5,7-diiodo-8-hydroxyquinoline,or diiodohydroxyquin (Yodoxin, Diodoquin, Diquinol) is ayellowish to tan microcrystalline, light-sensitive substancethat is insoluble in water. It is recommended for acute andchronic intestinal amebiasis but is not effective in extraintestinaldisease. Because a relatively high incidence of topicneuropathy has occurred with its use, iodoquinol should notbe used routinely for traveler’s diarrhea.

Safety Profile

Poison by ingestion and intravenous routes. Human systemic effects by ingestion: eye effects. Mutation data reported. When heated to decomposition it emits very toxic fumes of Iand Nox

Synthesis

Iodoquinol, 5,7-diiodo-8-quinolinol (37.2.2), is made by iodination of 8-oxyquinoline (37.2.1) using a mixture of potassium iodide/potassium iodate. The initial 8-hydroxyquinolin (37.2.1) is made from 2-aminophenol and glycerol in the presence of sulfuric acid and nitrobenzene (Skraup synthesis).

Purification Methods

It crystallises from xylene and is dried at 70o in a vacuum. [Beilstein 21 II 58.]

5,7-Diiodo-8-quinolinol Preparation Products And Raw materials

Raw materials

Preparation Products

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5,7-Diiodo-8-quinolinol Suppliers

Shanghai Boyle Chemical Co., Ltd.
Tel
021-50182298 021-50180596
Fax
+86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2208
Advantage
55
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
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76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801 18930552037
Fax
86-21-50328109
Email
3bsc@sina.com
Country
China
ProdList
15839
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69
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44688
Advantage
61
LGM Pharma
Tel
1-(800)-881-8210
Fax
615-250-9817
Email
inquiries@lgmpharma.com
Country
United States
ProdList
2123
Advantage
70
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42958
Advantage
64
Chemsky(shanghai)International Co.,Ltd.
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
32321
Advantage
50
China Langchem Inc.
Tel
0086-21-58956006
Fax
0086-21-58956100
Country
China
ProdList
7811
Advantage
57
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View Lastest Price from 5,7-Diiodo-8-quinolinol manufacturers

Dideu Industries Group Limited
Product
5,7-Diiodo-8-quinolinol 83-73-8
Price
US $1.10/g
Min. Order
1g
Purity
99.9%
Supply Ability
100 Tons Min
Release date
2021-06-17
Shaanxi Dideu Medichem Co. Ltd
Product
5,7-Diiodo-8-quinolinol 83-73-8
Price
US $0.00-0.00/Kg
Min. Order
1KG
Purity
99.0%
Supply Ability
500 tons
Release date
2020-04-27
Career Henan Chemical Co
Product
5,7-Diiodo-8-quinolinol 83-73-8
Price
US $2.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
100g , 1kg, 5kg , 50kg
Release date
2020-01-07

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