Diphenhydramine , ≥98.0%(GC) , 58-73-1

CAS NO.：58-73-1

Empirical Formula: C17H21NO

Molecular Weight: 255.35

MDL number: MFCD00274173

EINECS: 200-396-7

Pack Size	Price	Stock	Quantity
1g	RMB47.20	In Stock
5G	RMB158.40	In Stock
25G	RMB456.80	In Stock
others			Enquire

Update time: 2022-07-08

PRODUCT Properties

Melting point:	167-172°C
Boiling point:	bp2.0 150-165°
Density	0.9889 (rough estimate)
refractive index	1.5450 to 1.5490
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Oil
pka	pKa 9.1 (Uncertain)
color	Oil
Merck	14,3309
BCS Class	1

Description and Uses

Diphenhydramine is one of the main representatives of antihistamine drugs that block H1 receptors. Besides antihistamine activity, diphenhydramine exhibits a local anesthetic effect, relaxes smooth muscle, and has sedative and soporific action.

Antihistaminic.

Safety

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H319-H315-H302
Precautionary statements	P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501
RTECS	KR6825000
HS Code	2922.19.7000
Toxicity	LD50 oral in rat: 390mg/kg

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