Spot Supply Of Anhydrous Theophylline Content 99% Theophylline 58-55-9 Monohydrate Theophylline
Alias: theophylline; Anhydrous theophylline; 1, 3-dimethyl-3, 7-dihydro-1h-purine-2, 6-diketone; Dioxydimethylpurine; 1, 3-dimethyl xanthine; Hydrated tea base; The tea base
The CAS number: 58-55-9
EINECS no. : 200-385-7
Molecular formula: C7H10N4O2
Molecular weight: 182.1799
Density: 1.62 g/cm3
Melting point: 270-274 ℃
Boiling point: 390.1°C at 760 mmHg
Flash: 189.7 ° C
Water soluble: 8.3g /L (20℃)
Vapor pressure: 2.72E-06mmHg at 25°C
Solubility: 0.1M HCl: soluble
Water solubility :8.3 g/L (20 º C)
Storage conditions: 2-8°C
Solubility: Dissolved in water (1:120), ethanol (1:18), chloroform (1:86), hydroxide lye, ammonia, dilute hydrochloric acid and dilute nitric acid, slightly dissolved in ether at room temperature.
Appearance: White crystalline or crystalline powder, odorless, bitter taste.
Quality standard :BP/CP/USP
Packing: 25 kg/barrel
Uses: Mainly for sex and sexuality, but also for cardiogenesis.
Sale price: 62 / kg
Theophylline raw materials theophylline manufacturers direct sales of theophylline
Another series of products, aminophylline
The main purpose
Theophylline is a methylpurine drug. It can strengthen heart, diuresis, dilate coronary artery, relax bronchial smooth muscle and excite central meridian system. Mainly used in the treatment of bronchial asthma, emphysema, bronchitis, cardiac dyspnea.
Theophylline drug toxicology
The pharmacological action of theophylline depends on blood concentration. However, the safe range of its effective blood concentration is very narrow. For example, when the blood concentration is 10-20 μg/ml, the bronchial dilation can cause toxic reactions if the blood concentration exceeds 20μg/ml. Oral absorption is not stable, its clearance in vivo influencing factors, and individual differences are large, blood concentration is difficult to control, so easy to occur poisoning. Excessive dosage at one time, or the speed of intravenous injection is too fast, or the accumulation of repeated drug use, there is the possibility of overdose poisoning. And sometimes the symptoms of poisoning are not easy to be found, or even misdiagnosed as the original disease itself; And therefore mistakenly further increase theophylline dosage, resulting in serious poisoning. Infection can affect theophylline metabolism and increase blood concentrations to toxic levels. Other factors that can increase theophylline levels are liver disease, congestive heart failure, respiratory failure, chronic obstructive pulmonary disease, kidney failure, metabolic acidosis, high fever, female, young, old and obesity. Some people stress that intravenous aminophylline is easy to poison the elderly, so it is not appropriate to give the elderly intravenous injection of this drug.