Bithionol
Pharmacology and mechanism of action Indications Side effects Contraindications and precautions Interactions Preparations References- Product Name
- Bithionol
- CAS No.
- 97-18-7
- Chemical Name
- Bithionol
- Synonyms
- Bitin;d26;xl7;D 26;XL 7;tkhsd;Bithin;cp3438;CP 3438;tbp[qr]
- CBNumber
- CB5709001
- Molecular Formula
- C12H6Cl4O2S
- Formula Weight
- 356.05
- MOL File
- 97-18-7.mol
Bithionol Property
- Melting point:
- 188°C
- Boiling point:
- 444.7±45.0 °C(Predicted)
- Density
- 1.61
- storage temp.
- Keep in dark place,Inert atmosphere,Room temperature
- solubility
- DMSO: soluble20mg/mL, clear
- pka
- 4.82, 10.50(at 25℃)
- form
- powder
- color
- white to beige
- Water Solubility
- <0.1 g/100 mL at 23 ºC
- Merck
- 14,1306
- BRN
- 2003535
- Stability:
- Stable. Incompatible with strong oxidizing agents.
- CAS DataBase Reference
- 97-18-7(CAS DataBase Reference)
- NIST Chemistry Reference
- Bis(2-hydroxy-3,5-dichlorophenyl)sulfide(97-18-7)
- EPA Substance Registry System
- Bithionol (97-18-7)
Safety
- Hazard Codes
- T+,Xn
- Risk Statements
- 28-20/21/22
- Safety Statements
- 28-36/37-45-36
- RIDADR
- UN 2811 6.1/PG 2
- WGK Germany
- 3
- RTECS
- SN0525000
- HazardClass
- 6.1(a)
- PackingGroup
- II
- HS Code
- 29309090
- Hazardous Substances Data
- 97-18-7(Hazardous Substances Data)
- Toxicity
- LD50 oral in rat: 7mg/kg
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H300Fatal if swallowed
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P405Store locked up.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 31622
- Product name
- Bithionol
- Purity
- VETRANAL
- Packaging
- 250mg
- Price
- $53.9
- Updated
- 2024/03/01
- Product number
- T0865
- Product name
- 2,2'-Thiobis(4,6-dichlorophenol)
- Purity
- >97.0%(GC)(T)
- Packaging
- 25g
- Price
- $71
- Updated
- 2024/03/01
- Product number
- T0865
- Product name
- 2,2'-Thiobis(4,6-dichlorophenol)
- Purity
- >97.0%(GC)(T)
- Packaging
- 500g
- Price
- $313
- Updated
- 2024/03/01
- Product number
- 21844
- Product name
- Bithionol
- Purity
- ≥98%
- Packaging
- 25g
- Price
- $49
- Updated
- 2024/03/01
- Product number
- 21844
- Product name
- Bithionol
- Purity
- ≥98%
- Packaging
- 50g
- Price
- $92
- Updated
- 2024/03/01
Bithionol Chemical Properties,Usage,Production
Pharmacology and mechanism of action
Bithionol is a dichlorophenol which is structurally related to hexachlorophene and niclosamide. It was introduced into clinical medicine three decades ago. The drug has been replaced by praziquantel, but it is still used in some areas of the world, particularly against Fasciola hepatica.
The mechanism of action of bithionol is not well known. It inhibits oxidative phosphorylation of Paragonimus westermani and causes morphological alterations in Fasciola hepatica[1,2,3].
Indications
Infections with Parogonimus westermani (lung fluke) and Fasciola hepatica (liver fluke).
Bithionol should only be used as a second-line drug in the treatment of paragonimiasis for those patients who fail to respond to full course therapy with praziquantel. Triclabendazole, which is a new drug still under clinical evaluation, will most probably become the drug of choice against fascioliasis in the near future.
Side effects
Side effects are common, but minor. About one third of the patients may experience diarrhoea that may be accompanied by anorexia, nausea and vomiting. Skin rashes or urticaria usually together with itching may be seen. Phototoxic reactions can occur[1,4,5,6].
Contraindications and precautions
Efficacy and safety of the drug has not been established in children under 8 years of age.
Interactions
There have been no reports.
Preparations
• Bitin® (Tanabe Seiyaky) Tablets 500 mg.
References
1. Barret-Connor E (1982). Drugs for the treatment of parasitic infection. Med Clin North Am, 66, 245–255.
2. Dawes B. Some apparent effects of Bithionol (Actamer) on Fasciola hepatica. Nature. 209, 424– 425.
3. Yokogawa M, Muneo I (1965). Paragonimiasis. Adv Parasitol, 3, 99–158.
4. Chung HL, Ho LY, Hsu CP, Ts’ao WJ (1981). Recent progress in studies of Paragonimus and paragonimiasis control in China. Chin Med J, 94, 493–494.
5. Kim JS (1970). Treatment of Paragonimus westermani: infections with Bithionol. Am J Trop Med Hyg, 19, 940–942.
6. O’Quinn SE, Kennedy CB, Isbell KH (1967). Contact photodermatitis due to bithionol and related compounds. J Am Med Ass, 199, 89–92.
Description
Bithionol (97-18-7) is an antihelmintic drug with bacteriostatic and fungicidal properties. Bithionol has also been found to be an inhibitor of glutamate dehydrogenase1,2?(IC50?= 4.8 μM bovine GDH1).
Chemical Properties
off-white crystalline powder
Chemical Properties
Bithionol is a white or grayish powder with a slight phenolic odor.
Physical properties
Bithionol is virtually insoluble in water, readily soluble in ethanol, diethyl ether, acetone, glacial acetic acid, and dilute alkalis.
Uses
bactericide; antihelmintic; algicide; proposed as agricultural fungicide; food additive in feed and drinking water for foodproducing animals; permitted in food for human consumption; deodorant; in germicide pharmaceuticals, antibacterial agent in soaps, cosmetics, veterinary antiseptic and antihelminthic products, industrial cleansers, etc.
Uses
anthelmintic, antiseptic
Definition
ChEBI: An aryl sulfide that is diphenyl sulfide in which each phenyl group is substituted at position 2 by hydroxy and at positions 3 and 5 by chlorine. A fungicide and anthelmintic, it was used in various topical drug products for the treatment of liver flukes, ut withdrawn after being shown to be a potent photosensitizer with the potential to cause serious skin disorders.
Production Methods
Bithionol is prepared by reaction of 2,4-dichlorophenol with sulfur dichloride and AlCl3 in carbon disulfide or tetrachloromethane. It is used as a microbicide to protect aqueous functional fluids from biodeterioration and to control algae and slime formation in process water systems.
Indications
Bithionol (Actamer) is a phenolic derivative whose
mode of action is related to uncoupling of parasitespecific
fumarate reductase–mediated oxidative phosphorylation.
The drug is administered orally and is absorbed
from the intestinal tract. Peak blood levels are achieved in
4 to 8 hours. Excretion is mainly by the kidneys.
Bithionol is used in treatment of F. hepatica infections
and as an alternative to praziquantel in the treatment
of infestation by P. westermani. It is highly active
against the adult worm but exerts no action against the
migratory stages. A second course of treatment is required
for complete cure in 20 to 30% of patients.
Side effects are generally mild and transient; they
include nausea, vomiting, diarrhea, headache, dizziness,
urticaria, and other skin rashes in 50% of patients.
brand name
Lorothidol (Sterling Winthrop);Anafogene;Bacteriostat cs-1;Bidiphen;Lorothiodol;Neopellis;Nobacter;Prevenol;Tbp;Vancide bl.
World Health Organization (WHO)
Bithionol, which has bactericidal and anthelminthic activity, was formerly available in soaps. By the late 1960s use of such preparations had been associated with a risk of photosensitivity reactions and cross-sensitivity with other halogenated disinfectants. This resulted in their withdrawal in the USA. Oral preparations of bithionol remain available for the treatment of paragonimiasis and fascioliasis.
General Description
White or grayish white crystalline powder with a very faint aromatic or phenolic odor.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Bithionol is incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials may generate heat and toxic or flammable gases.
Hazard
Toxic by ingestion.
Health Hazard
ACUTE/CHRONIC HAZARDS: Bithionol is a skin irritant. When heated to decomposition or upon contact with acid or acid fumes, toxic fumes are evolved.
Fire Hazard
Flash point data is not available for Bithionol, but Bithionol is probably combustible.
Mechanism of action
Biothionol is bis-dichlorophenol, and it is structurally similar to hexachlorophene. It is the antihelmintic drug of choice for treating humans infected with Fasciola hepatica. It is an alternative drug to praziquantel that is used for treating pulmonary and cerebral paragonimiasis. The exact mechanism of action is not known, although it seems likely that it inhibits oxidative phosphorylation in Paeagonumus westermani. Synonyms of this drug are actamer, bitin, prevenol, and others.
Clinical Use
2,2’-Thiobis(4,6-dichlorophenol), or bis(2-hydroxy-3,5-dichlorophenyl)sulfide (Lorothidol, Bithin), a chlorinatedbisphenol, was formerly used in soaps and cosmetics for itsantimicrobial properties but was removed from the marketfor topical use because of reports of contact photodermatitis.Bithionol has useful anthelmintic properties and hasbeen used as a fasciolicide and taeniacide. It is still consideredthe agent of choice for the treatment of infestationscaused by the liver fluke Fasciola hepatica and the lungfluke Paragonimus westermani. Niclosamide is believed tobe superior to it for the treatment of tapeworm infestations.
Synthesis
Bithionol, 2,2-thiobis(4,6-dichlorophenol) (38.1.38), is made by reacting a solution of 2,4-dichlorophenol in carbon tetrachloride with sulfur chloride in the presence of aluminum chloride.
Potential Exposure
It is used as a surfactant-formulated antimicrobial against bacteria, molds and yeast. It is proposed as an agricultural fungicide. Other uses include deodorant, germicide, fungistat, and in the manufacture of pharmaceuticals. It is no longer allowed to be used in cosmetics. A food additive in feed and drinking water of animals. Also a food additive permitted in food for human consumption.
First aid
If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.
storage
Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Store in a refrigerator or a cooldry place.
Shipping
UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1—Poisonous materials, Technical Name Required.
Incompatibilities
Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides.
References
1) Li?et al. (2009),?Novel inhibitors complexed with glutamate dehydrogenase: allosteric regulation by control of protein dynamics; J. Biol. Chem.,?284?22988 2) Zocher?et al. (2012),?Biochemical and structural characterization of Plasmodium falciparum glutamate dehydrogenase 2; Mol. Biochem. Parasitol.,?183?52
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View Lastest Price from Bithionol manufacturers
- Product
- Bithionol 97-18-7
- Price
- US $1.10/g
- Min. Order
- 1g
- Purity
- 99.9%
- Supply Ability
- 100 Tons Min
- Release date
- 2021-06-18
- Product
- Bithionol 97-18-7
- Price
- US $0.00-0.00/Kg
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 500 tons
- Release date
- 2020-04-27
- Product
- Bithionol 97-18-7
- Price
- US $3.00/KG
- Min. Order
- 1KG
- Purity
- 99
- Supply Ability
- 100kg
- Release date
- 2019-07-10