Diphenhydramine Hydrochloride (99%, BP2013)
when used locally Diphenhydramine hydrochloride has an anti-itch effect.
Grade: BP2013
This item Can be sold to only hospitals, clinics, pharmaceutical factories, pharmacists, doctors for use in research only. or a document certifying a hospital (clinic/hospital)
Diphenhydramine Hydrochloride (99%)
Diphenhydramine hydrochloride is known as an oral antihistamine used to relieve allergy symptoms. However, it is not commonly used topically.
when used locally Diphenhydramine hydrochloride has anti-itch effect Some over-the-counter products contain diphenhydramine hydrochloride in the form of a topical cream or gel to relieve itching, such as insect bites or skin rashes.
Note that although diphenhydramine Hydrochloride may provide temporary relief from itching and provide a soothing effect. However, it does not treat the cause of the itching or rash. If you have persistent skin conditions or severe itching It is advisable to consult a medical professional for an accurate diagnosis and appropriate treatment options.
- Cool (15-25C)
- 24 Months from manufacturing or testing date.
- Add at last step. Avoid temperature above 40C.
- Heat Tolerant
- 3.50 - 7.00
- Soluble in Water, Soluble in Ethanol, Soluble in DMSO (Dimethyl Sulfoxide)
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| Test Name | Specification |
|---|---|
| Identification A | A258nm/A253nm=1.1–1.3 |
| Identification B | IR: Conform with the reference |
| Identification C | The chlorides reaction |
| Characteristics | White or almost white crystalline powder |
| Melting Point | 168–172°C |
| Solubility | Very soluble in water, freely soluble in ethanol |
| Acidity or Alkalinity | NMT 0.5ml of 0.1M NAOH |
| Appearance of Solution | Clear, NMT BY6 |
| Impurity A | NMT 0.5% |
| Any Other Impurity | NMT 0.3% |
| Loss on Drying | NMT 0.5% |
| Sulphated Ash | NMT 0.1% |
| Assay | 99.0–101.0% |