Tropicamide
Ophthalmic drugs Uses- Product Name
- Tropicamide
- CAS No.
- 1508-75-4
- Chemical Name
- Tropicamide
- Synonyms
- Mydriacyl;TROPICAMIDUM;mydrin;mydrum;mydriat;ro1-7683;Mydrapid;Epitromin;Tropicamid;epitromina
- CBNumber
- CB9337073
- Molecular Formula
- C17H20N2O2
- Formula Weight
- 284.35
- MOL File
- 1508-75-4.mol
Tropicamide Property
- Melting point:
- 98 °C
- Boiling point:
- 492.8±45.0 °C(Predicted)
- Density
- 1.161±0.06 g/cm3(Predicted)
- storage temp.
- 2-8°C
- solubility
- 45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin: 4.3 mg/mL
- form
- solid
- pka
- pKa 5.3 (Uncertain)
- color
- white
- Water Solubility
- 0.2g/L(25 ºC)
- λmax
- 254nm(HCl aq.)(lit.)
- Merck
- 14,9780
- InChI
- InChI=1S/C17H20N2O2/c1-2-19(12-14-8-10-18-11-9-14)17(21)16(13-20)15-6-4-3-5-7-15/h3-11,16,20H,2,12-13H2,1H3
- InChIKey
- BGDKAVGWHJFAGW-UHFFFAOYSA-N
- SMILES
- C(CO)(C(=O)N(CC)CC1=CC=NC=C1)C1C=CC=CC=1
- CAS DataBase Reference
- 1508-75-4(CAS DataBase Reference)
- NIST Chemistry Reference
- Tropicamide(1508-75-4)
Safety
- Hazard Codes
- Xn,Xi
- Risk Statements
- 20/21/22-36/37/38-42/43-41-37/38-22
- Safety Statements
- 22-26-36-36/37/39
- WGK Germany
- 3
- RTECS
- CY1487860
- HS Code
- 29333990
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- T9778
- Product name
- Tropicamide
- Purity
- solid
- Packaging
- 1g
- Price
- $344
- Updated
- 2024/03/01
- Product number
- PHR3152
- Product name
- Tropicamide
- Purity
- pharmaceutical secondary standard, certified reference material
- Packaging
- 500MG
- Price
- $173
- Updated
- 2024/03/01
- Product number
- 1699005
- Product name
- Tropicamide
- Purity
- United States Pharmacopeia (USP) Reference Standard
- Packaging
- 200mg
- Price
- $358
- Updated
- 2024/03/01
- Product number
- T1470
- Product name
- Tropicamide
- Purity
- >99.0%(HPLC)(T)
- Packaging
- 10g
- Price
- $179
- Updated
- 2024/03/01
- Product number
- J61132
- Product name
- Tropicamide, 99+%
- Packaging
- 1g
- Price
- $52.4
- Updated
- 2023/06/20
Tropicamide Chemical Properties,Usage,Production
Ophthalmic drugs
Tropicamide is an anticholinergic agent. At room temperature, it is a white crystalline powder and is odorless. It is slightly soluble in water and easily soluble in ethanol, dilute hydrochloric acid, sulfuric acid and chloroform. It can block the excitement of iris sphincter and ciliary muscle induced by acetylcholine. Its 0.5% solution can cause mydriasis while its 1% solution can cause ciliary muscle paralysis and mydriasis. Clinically it is mainly used for the treatment of eye drops mydriasis and paralysis.
Tropicamide is the synthetic derivative of tropic acid. It has a relative low dissociation constant with good intraocular permeability and strong tissue diffusion capability which may be the underlying mechanism for its quick onset but short maintaining time. After the drop of the 0.5% or 1% solution of this product, the instillation dilation and paralysis adjustment can reach peak within 20-30 minutes. Then the effect gradually decreases with adjusting paralysis (residual) for 2 to 6 hours and mydriasis (residual) for about 7 hours. Tropicamide is similar drug as atropine which can cause a dramatic increase on the angle closure glaucoma intraocular pressure as well as possibly stimulate undiagnosed angle-closure glaucoma.
The potency of ciliary muscle paralysis adjustment of tropicamide eye drops is closely related with the doses used, its 0.25%, 0.5%, 0.75% and 1% four concentrations can all adjust paralysis. After instillation, the maximum degree of residual adjustment is 0.25%: diopter: 3.17; 1% diopter: 3.17. The residue adjustment degree can be maintained in cases of the refraction being 2.0 or less, 0.75% and 1% solutions can maintain for 40 minutes while 0.5% can only maintain about 15 minutes. After a drop of 1% solution, have the second drop after 5 to 25 minutes and by doing this, we can get more satisfactory ciliary muscle paralysis effect for about 20 to 30 minutes. After 2 to 6 hours, you can read books and newspapers with the adjustment function being able to recover to the level before drop within 6 hours.
The above information is edited by the Chemicalbook of Dai Xiongfeng.
Uses
It can be used as an anti-cholinergic drugs or mydriatic drug.
It is a kind of M4 muscarinic acetylcholine receptor antagonist.
Chemical Properties
Crystalline Solid
Originator
Mydriacyl,Alcon,US,1959
Uses
Tropicamide, like cyclopentolate, is used in ophthalmoscopy for reaching pre-operational mydraises and for testing narrow-angle glaucoma.
Uses
antidepressant, nutrient; LD50(rat) 1634 mg/kg ip
Uses
Ophthalmic anticholinergic. Mydriatic
Uses
Indicated to induce mydriasis (dilation of the pupil) and cycloplegia (paralysis of the ciliary muscle of the eye) in diagnostic procedures, such as measurement of refractive errors and examination of the fundus of the eye.
Definition
ChEBI: Tropicamide is a member of acetamides.
Manufacturing Process
A solution of 82 parts by weight of γ-chloromethyl-pyridine-hydrochloride in 60
parts of water is added dropwise, at 0° to 5°C, to 250 parts by weight of a
50% aqueous ethyl amine solution. The mixture is stirred for 1 hour at 60°C,
whereupon it is cooled down and separated in the cold with solid potassium
hydroxide. The oil formed is separated off, dried over potassium hydroxide
and distilled. The ethyl-(γ-picolyl)-amine formed boils over at 103° to 104°C
under a pressure of 13 mm Hg. Its dihydrochloride melts at 198° to 200°C.
To a mixture of 48.7 parts by weight of ethyl-(γ-picolyl)-amine and 36 parts
by weight of dry pyridine in 220 parts by weight of dry chloroform is slowly
added, while stirring and cooling with ice water, crude acetyltropic acid
chloride prepared from 60 parts by weight of tropic acid. To complete the
reaction, the mixture is stirred for one additional hour at 23°C. Thereupon the
chloroform solution is diluted with 200 parts by weight of ether and agitated
with 3 N hydrochloric acid. The weakly Congo acid solution is heated for 1
hour in a steam bath, the acetyl group of the reaction product being thereby
split off, and the mixture is filtered over charcoal.
Upon adding concentrated ammonia in excess, the condensation product
separates and is taken up in chloroform. The chloroform solution is dried and
distilled, the tropic acid N-ethyl-N-(γ-picolyl)-amide being thereby obtained in
the form of a thick oil, which crystallizes after prolonged time and which then
melts at 96° to 97°C.
brand name
Mydriacyl (Alcon); Tropicacyl (Akorn).
Therapeutic Function
Anticholinergic (ophthalmic)
General Description
Tropicamide, N-ethyl-2-phenyl-N-(4-pyridylmethyl)hydracrylamide (Mydriacyl), is aneffective anticholinergic for ophthalmic use when mydriasisis produced by relaxation of the sphincter muscle ofthe iris, allowing adrenergic innervation of the radial muscleto dilate the pupil. Its maximum effect is achieved inabout 20 to 25 minutes and lasts for about 20 minutes,with complete recovery in about 6 hours. Its action ismore rapid in onset and wears off more rapidly thanthat of most other mydriatics. To achieve mydriasis, either0.5% or 1.0% concentration may be used, althoughcycloplegia is achieved only with the stronger solution.Its uses are much the same as those described above formydriatics in general, but opinions differ on whether thedrug is as effective as homatropine, for example, inachieving cycloplegia. For mydriatic use, however, in examinationof the fundus and treatment of acute iritis,iridocyclitis, and keratitis, it is quite adequate; and becauseof its shorter duration of action, it is less prone toinitiate a rise in intraocular pressure than the more potent,longer-lasting drugs. As with other mydriatics, however,pupil dilation can lead to increased intraocular pressure.In common with other mydriatics, it is contraindicated inpatients with glaucoma, either known or suspected, andshould not be used in the presence of a shallow anteriorchamber. Thus far, no allergic reactions or ocular damagehas been observed with this drug. The ability to clone thevarious muscarinic receptor subtypes has allowed the observationthat tropicamide has modest selectivity for theM4 receptor.
Biological Activity
M 4 selective muscarinic receptor antagonist.
Biochem/physiol Actions
M4 muscarinic acetylcholine receptor antagonist.
Synthesis
Tropicamide, N-(4-piridinylmethyl)-N-ethyl-|?-hydroxy-|á-phenylpropionamide (14.1.41), is synthesized by reacting O-acetyltropyl chloride with ethyl (4-piridinylmethyl)amine and the subsequent acidic hydrolysis of the acetyl group in the resulting amide (14.1.40) [31].
Veterinary Drugs and Treatments
Tropicamide, like atropine, causes mydriasis and cycloplegia, but has more mydriatic than cycloplegic activity. Tropicamide has a more rapid onset (maximum mydriasis in 15 – 30 minutes) of action and a shorter duration of action (pupil returns to normal in 6 – 12 hours in most animals) than does atropine, thereby making it more useful for funduscopic examinations. In dogs, intraocular pressure is apparently not affected by tropicamide. Tropicamide is also indicated following cataract removal to prevent synechiae formation that is associated with post-cataract atropine administration. As the half-life of tropicamide is shorter than that of atropine, this allows iris contraction preventing synechial adhesions.
storage
Store at RT
Tropicamide Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Tropicamide manufacturers
- Product
- Tropicamide 1508-75-4
- Price
- US $1.00/PCS
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2021-02-03
- Product
- Tropicamide 1508-75-4
- Price
- US $1.10/g
- Min. Order
- 1g
- Purity
- 99.0% min
- Supply Ability
- 100 tons min
- Release date
- 2021-05-25
- Product
- Tropicamide 1508-75-4
- Price
- US $3.70/g/Bag
- Min. Order
- 50g/Bag
- Purity
- 99%
- Supply Ability
- 550kg
- Release date
- 2024-01-25