Skip to content
Molekula

Molekula

Pyridine hydrochloride

SKU 21857871 CAS 628-13-7 C5H5N·HCl MW 115.56 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Pyridine hydrochloride is a white crystalline solid formed by the reaction of pyridine with hydrochloric acid, primarily used as a reagent in organic synthesis, pharmaceutical intermediates, and analytical chemistry for its ability to act as a nucleophile and catalyst. It has a CAS number of 628-13-7, with the molecular formula C5H5N·HCl and a molecular weight of 115.56. Stored at ambient conditions, it carries a signal word of *Warning* for safety handling. Molekula supplies Pyridine hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 100 g — $79.80 per pack

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White or primrose yellow solid
Water ≤ 1.0%
Assay ≥ 99.0%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Identification

Property Value
SKU 21857871
CAS Number 628-13-7
IUPAC Name pyridine;hydrochloride
EC Number 211-027-4
Molecular Formula C5H5N·HCl
Molecular Weight 115.56
Exact Mass 115.0189
SMILES C1=CC=NC=C1.Cl
InChIKey AOJFQRQNPXYVLM-UHFFFAOYSA-N
InChI InChI=1S/C5H5N.ClH/c1-2-4-6-5-3-1;/h1-5H;1H
PubChem CID 10176127
REACH Code Y110
TSCA Listed Yes
HTS Code 29333992
Tariff Code 2933399990

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H302+312 Harmful if swallowed or in contact with skin
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

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.

Synonyms

  • C5H6ClN
  • hydrochloride pyridine
  • pyrdine hydrochloride
  • pyridin-1-ium;chloride
  • Pyridine HCl
  • pyridine HCl salt
  • pyridine hyrochloride
  • Pyridine, hydrochloride (1:1)
  • Pyridinium chloride
  • Pyridinium monochloride

Frequently asked questions

What is pyridine hydrochloride commonly used for?

Pyridine hydrochloride is primarily used as a reagent in organic synthesis, as a catalyst in polymerization reactions, and in the production of pharmaceuticals, agrochemicals, and dyes.

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

The chemical formula is **C5H5N·HCl**, and the molecular weight is **115.56 g/mol**.

How should pyridine hydrochloride be stored?

Store pyridine hydrochloride at **ambient temperature** in a tightly sealed container, away from moisture and incompatible substances.

What grades of pyridine hydrochloride does Molekula supply?

Molekula supplies pyridine hydrochloride in **ACS reagent grade** and **technical grade**—contact us for specifications and availability.

Can Molekula supply pyridine hydrochloride in bulk quantities?

Yes, Molekula can supply pyridine hydrochloride in bulk; minimum order quantities and packaging options vary—inquire for details.

What documentation comes with a pyridine hydrochloride order?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list; additional documentation like a technical datasheet is available upon request.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket