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CAS No.: | 147-24-0 |
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Name: | Diphenhydramine hydrochloride |
Article Data: | 5 |
Cas Database | |
Molecular Structure: | |
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Formula: | C17H21NO.HCl |
Molecular Weight: | 291.821 |
Synonyms: | Ethanamine,2-(diphenylmethoxy)-N,N-dimethyl-, hydrochloride (9CI);2-Diphenylmethoxy-N,N-dimethylethylamine hydrochloride;Alledryl;Allergina;Amidryl;Bagodryl;Bena;Benadrilhydrochloride;Benison;Benodine;Benzantin;Benzhydrol b-dimethylaminoethyl ether hydrochloride;Denydryl;Dibondrin;Dimedrol;Diphantine;Fenylhist; |
EINECS: | 205-687-2 |
Density: | 1.024 g/cm3 |
Melting Point: | 168-172 °C |
Boiling Point: | 343.7 °C at 760 mmHg |
Flash Point: | 101.5 °C |
Solubility: | 1000 g/L in water |
Appearance: | White crystalline powder |
Hazard Symbols: |
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Risk Codes: | 22 |
Safety: | 36 |
PSA: | 12.47000 |
LogP: | 4.15620 |
benzhydryl-(2-hydroxy-ethyl)-dimethyl-ammonium; chloride
diphenhydramine hydrochloride
2-(N,N-dimethylamino)ethanol
diphenylchloromethane
A
diphenhydramine hydrochloride
B
2-(N,N-dimethylamino)ethanol hydrochloride
Conditions | Yield |
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With sodium hydroxide In water; isopropyl alcohol at 175℃; under 12929 Torr; for 0.266667h; Overall yield = 71 %Spectr.; |
2-(N,N-dimethylamino)ethanol
diphenylchloromethane
diphenhydramine hydrochloride
Conditions | Yield |
---|---|
Stage #1: 2-(N,N-dimethylamino)ethanol; diphenylchloromethane at 180℃; for 0.25h; Flow reactor; Stage #2: With sodium hydroxide In hexane; water at 140℃; under 12751.3 Torr; Flow reactor; Stage #3: With hydrogenchloride In diethyl ether; hexane; water |
Conditions | Yield |
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With hydrogenchloride In ethanol at 20℃; for 1h; Time; | 9.6 mmol |
Conditions | Yield |
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Multi-step reaction with 3 steps 1.1: magnesium / 0.67 h / Reflux; Inert atmosphere 1.2: 5 h / Reflux; Inert atmosphere 2.1: toluene / 4 h / Reflux 3.1: toluene / 20 h / Reflux 3.2: 25 °C View Scheme |
2-(N,N-dimethylamino)ethanol
Bromodiphenylmethane
diphenhydramine hydrochloride
Conditions | Yield |
---|---|
Stage #1: 2-(N,N-dimethylamino)ethanol; Bromodiphenylmethane In toluene for 20h; Williamson Ether Synthesis; Reflux; Stage #2: With hydrogenchloride In diethyl ether at 25℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: magnesium / 0.67 h / Reflux; Inert atmosphere 1.2: 5 h / Reflux; Inert atmosphere 2.1: toluene / 4 h / Reflux 3.1: toluene / 20 h / Reflux 3.2: 25 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: toluene / 4 h / Reflux 2.1: toluene / 20 h / Reflux 2.2: 25 °C View Scheme |
diphenhydramine hydrochloride
sodium 2-(4-isobutylphenyl)propionate
Conditions | Yield |
---|---|
In water at 40℃; for 24h; | 79% |
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Reported in NTP Carcinogenesis Studies (feed); Equivocal Evidence: rat NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. 206- NTP-TR-355 (1989). ; (feed); No Evidence: mouse NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. 206- NTP-TR-355 (1989). .
The Diphenhydramine hydrochloride, with the CAS registry number 147-24-0, is also known as 2-(Diphenylmethoxy)-N,N-dimethylethanaminhydrochlorid. It belongs to the product categories of Anilines, Aromatic Amines and Nitro Compounds; API Intermediates; Amines; Aromatics; Intermediates & Fine Chemicals; Pharmaceuticals; Histamine receptor. Its EINECS registry number is 205-687-2. This chemical's molecular formula is C17H22ClNO and molecular weight is 291.82. What's more, both its IUPAC name and systematic name are the same which is called 2-Benzhydryloxy-N,N-dimethylethanamine hydrochloride. This chemical should be stored in a cool, dry and well-ventilated place. It is used as histamine receptor antagonist, antihistaminic, sedative, hypnotic.
Physical properties about Diphenhydramine hydrochloride are: (1)ACD/LogP: 3.662; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.79; (4)ACD/LogD (pH 7.4): 2.29; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 15.29; (7)ACD/KOC (pH 5.5): 3.15; (8)ACD/KOC (pH 7.4): 100.11; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 12.47 Å2; (13)Flash Point: 101.5 °C; (14)Enthalpy of Vaporization: 58.76 kJ/mol; (15)Boiling Point: 343.7 °C at 760 mmHg; (16)Vapour Pressure: 6.9E-05 mmHg at 25 °C.
When you are dealing with this chemical, you should be very careful. This chemical may cause damage to health. It is harmful if swallowed. Therefore, you should wear suitable protective clothing.
You can still convert the following datas into molecular structure:
(1) SMILES: Cl.O(CCN(C)C)C(c1ccccc1)c2ccccc2
(2) InChI: InChI=1S/C17H21NO.ClH/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;/h3-12,17H,13-14H2,1-2H3;1H
(3) InChIKey: PCHPORCSPXIHLZ-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
child | TDLo | oral | 12500ug/kg (12.5mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION) | Journal of Pediatrics. Vol. 90, Pg. 1017, 1977. |
child | TDLo | skin | 60mg/kg/6H-I (60mg/kg) | SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS" BEHAVIORAL: ATAXIA | Clinical Pediatrics Vol. 25, Pg. 163, 1986. |
dog | LD50 | intravenous | 24mg/kg (24mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT | Journal of Pharmacology and Experimental Therapeutics. Vol. 89, Pg. 227, 1947. |
guinea pig | LD50 | intraperitoneal | 75mg/kg (75mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 83, Pg. 120, 1945. | |
guinea pig | LD50 | oral | 280mg/kg (280mg/kg) | Journal of Allergy. Vol. 27, Pg. 57, 1956. | |
guinea pig | LD50 | subcutaneous | 40mg/kg (40mg/kg) | BEHAVIORAL: TREMOR BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Journal of Pharmacology and Experimental Therapeutics. Vol. 113, Pg. 72, 1955. |
hamster | LD50 | intravenous | 18mg/kg (18mg/kg) | BEHAVIORAL: TREMOR BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT | Journal of Pharmacology and Experimental Therapeutics. Vol. 97, Pg. 371, 1949. |
mammal (species unspecified) | LD50 | intraperitoneal | 80mg/kg (80mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 3, Pg. 328, 1953. | |
man | TDLo | oral | 10714ug/kg (10.714mg/kg) | AUTONOMIC NERVOUS SYSTEM: PARASYMPATHOLYTIC BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS" VASCULAR: BP ELEVATION NOT CHARACTERIZED IN AUTONOMIC SECTION | American Journal of Emergency Medicine. Vol. 4, Pg. 369, 1986. |
mouse | LD50 | intraperitoneal | 56mg/kg (56mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT | Journal of Pharmacology and Experimental Therapeutics. Vol. 112, Pg. 318, 1954. |
mouse | LD50 | intravenous | 20mg/kg (20mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: ATAXIA | Arzneimittel-Forschung. Drug Research. Vol. 5, Pg. 72, 1955. |
mouse | LD50 | oral | 164mg/kg (164mg/kg) | Drugs in Japan Vol. -, Pg. 550, 1995. | |
mouse | LD50 | subcutaneous | 99200ug/kg (99.2mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD SKIN AND APPENDAGES (SKIN): HAIR: OTHER | Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 54, Pg. 33, 1958. |
pigeon | LD50 | intramuscular | 63mg/kg (63mg/kg) | GASTROINTESTINAL: NAUSEA OR VOMITING | Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 46, Pg. 140, 1957. |
rabbit | LD50 | intravenous | 10mg/kg (10mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: EXCITEMENT | Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 4, Pg. 150, 1945. |
rat | LD50 | intraperitoneal | 82mg/kg (82mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 102, Pg. 250, 1951. | |
rat | LD50 | intravenous | 35mg/kg (35mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 12, Pg. 2769, 1984. |
rat | LD50 | oral | 500mg/kg (500mg/kg) | Drugs in Japan Vol. 6, Pg. 334, 1982. | |
rat | LD50 | subcutaneous | 201mg/kg (201mg/kg) | Yakugaku Zasshi. Journal of Pharmacy. Vol. 81, Pg. 261, 1961. | |
women | TDLo | oral | 83mg/kg (83mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: COMA CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION) | Critical Care Medicine. Vol. 16, Pg. 1161, 1988. |