Molekula
Pyridine hydrochloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · 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 at ≥ 99.0% purity in 100 g packs, from £50.40 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 2026
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.
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100 g — £42.00 per pack ex VAT · £50.40 inc. VAT
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.
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
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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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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 as a white or primrose yellow solid with an assay of at least 99.0% and water content of no more than 1.0%. 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.
Where can I buy Pyridine hydrochloride?
Directly from Molekula, which lists Pyridine hydrochloride in 100 g packs from £50.40 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.