Bromodiphenhydramine hydrochloride

Also known as: Bromazine hydrochloride, Bromodiphenhydramine HCl, Bromdiphenhydramine hydrochloride, Bromdiphenylhydramine hydrochloride, Diphenhydramine EP Impurity C HCl, Diphenhydramine Impurity C HCl, 2-[(4-bromophenyl)phenylmethoxy]-N,N-dimethylethanamine hydrochloride, 2-(4-bromobenzohydryloxy)-N,N-dimethylethylamine hydrochloride, 2-(4-bromodiphenylmethoxy)ethyldimethylamine hydrochloride, phenyl(p-bromophenyl)(dimethylaminoethoxy)methane hydrochloride, EINECS 217-310-9

Bromodiphenhydramine hydrochloride (CAS 1808-12-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H21BrClNO and a molecular weight of 370.71200 g/mol. Key properties include a boiling point of 397.3ºC at 760 mmHg and a flash point of 194.1ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1808-12-4
Jingsj CID: J-1518-5
Molecular Formula: C₁₇H₂₁BrClNO
Molecular Weight: 370.71200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	397.3ºC at 760 mmHg
Flash Point	194.1ºC
Exact Mass	369.05000
PSA	12.47000
LogP	4.91870
Vapor Pressure	1.61E-06mmHg at 25°C

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Activity & Biological Data

Additional Information	[1]. MOLINA EB. [A new antihistaminic, bromodiphenhydramine hydrochloride, in the control of cutaneous allergies]. Sem Med. 1960 Jul 11;117:151-2. Spanish. [2]. Dastidar SG, et al. Antibacterial activity of ambodryl and benadryl. J Appl Bacteriol. 1976 Oct;41(2):209-14. [3]. Ray S, et al. Studies on synergism between penicillins and ambodryl (bromodiphenhydramine HCl), an antihistamine with antimicrobial property. Indian J Exp Biol. 1990 Mar;28(3):253-8.

Additional Information

[1]. MOLINA EB. [A new antihistaminic, bromodiphenhydramine hydrochloride, in the control of cutaneous allergies]. Sem Med. 1960 Jul 11;117:151-2. Spanish. [2]. Dastidar SG, et al. Antibacterial activity of ambodryl and benadryl. J Appl Bacteriol. 1976 Oct;41(2):209-14. [3]. Ray S, et al. Studies on synergism between penicillins and ambodryl (bromodiphenhydramine HCl), an antihistamine with antimicrobial property. Indian J Exp Biol. 1990 Mar;28(3):253-8.

Customs & Trade Information

HS Code	2922199090
Summary	2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Bromodiphenhydramine hydrochloride?

The CAS number of Bromodiphenhydramine hydrochloride is 1808-12-4.

What are the molecular formula and molecular weight of Bromodiphenhydramine hydrochloride?

Bromodiphenhydramine hydrochloride has molecular formula C17H21BrClNO and molecular weight 370.71200 g/mol.

Is Bromodiphenhydramine hydrochloride hazardous?

Bromodiphenhydramine hydrochloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of Bromodiphenhydramine hydrochloride?

For Bromodiphenhydramine hydrochloride, Upstream Products: Bromodiphenhydramine, (4-Bromophenyl)(phenyl)methanol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Bromodiphenhydramine hydrochloride (CAS 1808-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518-5 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.