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Diphenhydramine hydrochloride

CAS 147-24-0 C17H21NO·HCl MW 291.82 Made to order

Diphenhydramine hydrochloride is a first-generation antihistamine used to treat allergic reactions, hay fever, and symptoms of the common cold. It also has sedative and antiemetic properties. Available in powder form, it has a CAS number of 147-24-0, a molecular formula of C17H21NO·HCl, and a molecular weight of 291.82 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Diphenhydramine hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Diphenhydramine hydrochloride is a first-generation antihistamine used to treat allergic reactions, hay fever, and symptoms of the common cold. It also has sedative and antiemetic properties. Available in powder form, it has a CAS number of 147-24-0, a molecular formula of C17H21NO·HCl, and a molecular weight of 291.82 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Diphenhydramine hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White or almost white crystalline powder
Melting Point 167℃ - 172 ℃
Physical Appearance White or almost white crystalline powder
Loss on Drying ≤0.5%
Storage Temperature +20℃
Molecular Weight 291.82
Specification USP 32
Assay ≥98%
Residual on Ignition ≤0.1%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 147-24-0
Molecular Formula C17H21NO·HCl
Molecular Weight 291.82
SMILES Cl.O(CCN(C)C)C(C=1C=CC=CC1)C=2C=CC=CC2
REACH Code Y110
HTS Code 29221996
Tariff Code 2922190090

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Flammable Flammable GHS02

Hazard statements

  • H302 Harmful if swallowed
  • H336 May cause drowsiness or dizziness
  • H361d Suspected of damaging fertility. Suspected of damaging the unborn child.

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P263 Avoid contact during pregnancy/while nursing
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P308+313 IF exposed or concerned: Get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 100 g

    £30.89 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Diphenhydramine hydrochloride used for?

It is primarily used as an antihistamine for treating allergies, hay fever, and symptoms of the common cold. It is also used in some formulations for sleep aid and motion sickness.

What is the chemical formula and molecular weight of Diphenhydramine hydrochloride?

The formula is C17H21NO·HCl and the molecular weight is 291.82 g/mol.

How should Diphenhydramine hydrochloride be stored?

It should be stored at ambient temperature, protected from moisture and light.

What grade is available for Diphenhydramine hydrochloride?

Available in pharmaceutical grade for research and industrial use.

Can Molekula supply Diphenhydramine hydrochloride in bulk?

Yes, Molekula can supply Diphenhydramine hydrochloride in bulk quantities; please contact our sales team for pricing and availability.

What documentation comes with an order of Diphenhydramine hydrochloride?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

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