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Saturated Cyclic Amine · CAS 110-89-4

Piperidine

C5H11N Molar mass 85.15 g/mol

The six-membered saturated cyclic amine supplied by Chelora Chemicals — a versatile pharmaceutical and rubber-chemical building block and a widely used organic base and solvent — exported from Indonesia as a liquid in drums with full batch documentation on every shipment.

Identification Sheet REP.
IUPAC namePiperidine (azinane)
CAS number110-89-4
Molecular formulaC₅H₁₁N
Molar mass85.15 g/mol
AppearanceColourless liquid, strong amine odour
Common synonymsPiperidine, Azinane, Hexahydropyridine
Melting Point−11 °Clit.
Boiling Point106 °Cat 1 atm
Specific Gravity0.862at 20 °C
Flash Point16 °Cclosed cup
AppearanceColourless, hygroscopic liquidstrong, pepper-like amine odour
Purity Offered99% / 99.5%+technical & high-purity, liquid
01 / PRODUCT DOSSIER

What Piperidine is, and why buyers source it

A working overview of the compound's chemistry, its role as a core saturated-ring secondary amine, and the grades Chelora Chemicals keeps in regular supply.

Piperidine is the fully saturated six-membered ring analogue of pyridine: a cyclohexane ring with one carbon replaced by a secondary amine nitrogen. That nitrogen is a strong, freely available base and nucleophile, making the ring an exceptionally common structural motif and reagent throughout organic and pharmaceutical chemistry.

At room temperature it is a colourless, hygroscopic liquid with a strong, penetrating amine odour, fully miscible with water and most organic solvents. It is a stronger base than many open-chain secondary amines and is handled with the flammability and corrosivity precautions typical of reactive low-molecular-weight amines.

Where it fits in the synthesis chain

Piperidine is both a finished-reagent base/solvent for organic synthesis and, more importantly, a core structural building block: the piperidine ring appears in a very large share of pharmaceutical active ingredients, and the free amine itself is used directly as a rubber vulcanisation accelerator intermediate and as a corrosion inhibitor in metal pickling and acidising operations.

Grades we supply

Chelora Chemicals offers Piperidine in technical grade (≈99% assay) for rubber-chemical and industrial-intermediate use, and high-purity grade (99.5%+) for pharmaceutical building-block applications sensitive to colour and trace-impurity content. Both grades are supplied with a batch-wise certificate of analysis.

02 / MANUFACTURING ROUTE

How Piperidine is made

An overview of the production route for orientation purposes. Our manufacturing partners' own process parameters and in-process controls are proprietary and are not disclosed beyond what is needed to interpret the certificate of analysis.

Piperidine is manufactured industrially by catalytic hydrogenation of pyridine: the aromatic ring is fully saturated under hydrogen pressure over a metal catalyst such as nickel, cobalt, platinum or palladium, typically in the liquid phase: C₅H₅N + 3 H₂ → C₅H₁₁N. The crude product is purified by fractional distillation to the required assay and colour specification before packing.

Why pyridine hydrogenation is the standard route

Pyridine is produced at large scale from coal-tar processing and from acetaldehyde/formaldehyde-ammonia synthesis for other downstream uses, making catalytic ring hydrogenation of pyridine the most direct, well-controlled and widely practised industrial route to piperidine.

03 / APPLICATIONS

Industries and processes that use it

Piperidine is consumed across pharmaceutical building-block synthesis, rubber-chemical manufacture and general organic chemistry, where its secondary ring amine is a widely used base and nucleophile. The fields below account for most of the demand we see through our export desk.

Field 01

Pharmaceutical Building Block

A core structural motif used directly or as an intermediate across a wide range of active-pharmaceutical-ingredient synthesis routes.

Field 02

Rubber Vulcanisation Accelerator Intermediate

Converted into piperidine-based dithiocarbamate and sulfenamide accelerators used in rubber compounding.

Field 03

Organic Base & Catalyst

Used directly as a strong secondary-amine base and nucleophilic catalyst in condensation reactions such as the Knoevenagel reaction.

Field 04

Corrosion Inhibitor Component

Used in formulated corrosion inhibitors for acid pickling, well acidising and metal-cleaning operations.

04 / REACTION CHEMISTRY

How the molecule is typically carried forward

The single, unhindered secondary amine nitrogen on the saturated ring governs almost all of this molecule's further reaction chemistry. Reaction classes below account for most of the ways Piperidine is converted into a finished product or intermediate.

N-Acylation & N-Alkylation

The ring nitrogen reacts readily with acyl chlorides, anhydrides and alkyl halides, the core step in building most piperidine-containing pharmaceutical intermediates.

Dithiocarbamate Formation

Reaction with carbon disulfide and a metal salt gives piperidinium pentamethylenedithiocarbamate salts used as rubber accelerators.

Knoevenagel & Mannich Condensation

Acts as a base/catalyst in carbonyl condensation reactions, a classic use in fine-chemical and fragrance synthesis.

Salt Formation

Forms stable, crystalline salts with mineral and organic acids, often used to purify or formulate downstream pharmaceutical intermediates.

05 / RELATED BUILDING BLOCKS

Piperidine against other amines we supply

Buyers sourcing Piperidine for pharmaceutical or rubber-chemical synthesis often need a related cyclic amine with a different ring composition. A quick reference to what else is on our regular supply list.

ProductCAS NumberCategoryNotes
Piperidine110-89-4Saturated cyclic amineThe product on this page — a core pharmaceutical and rubber-chemical building block.
Piperazine110-85-0Cyclic diamineA related cyclic diamine with a second ring nitrogen — see its product page.
Morpholine110-91-8Oxygen-containing cyclic amineA related saturated ring amine with an oxygen in the ring — see its product page.
N-Methylmorpholine109-02-4Tertiary cyclic amineA related N-methylated cyclic amine used as a catalyst and base — see its product page.

Exact physical constants and purity specifications are confirmed per batch on the certificate of analysis — treat the notes above as a sourcing guide, not a specification sheet, for products other than Piperidine.

06 / HAZARD & HANDLING

Safety classification at a glance

Based on GHS classification as commonly listed for this substance. This is a summary for orientation only — always work from the current safety data sheet supplied with your specific batch.

H225

Highly flammable liquid and vapour.

H301

Toxic if swallowed.

H311

Toxic in contact with skin.

H314

Causes severe skin burns and eye damage.

PPE Standard

Impervious gloves, chemical splash goggles or a face shield, and suitable respiratory protection are the baseline for routine handling.

Fire Precaution

Keep away from heat, sparks and open flame; ground and bond containers during transfer given the low flash point.

Inhalation Note

Use only with adequate ventilation or suitable respiratory protection — vapour is toxic by inhalation.

Signal word

Danger — GHS02 flammable, GHS05 corrosive and GHS06 toxic pictograms apply.

This compound is a highly flammable liquid that is toxic if swallowed or in contact with skin, and causes severe skin burns and eye damage. It must be handled with impervious gloves, splash-proof eye protection, suitable respiratory protection and kept away from heat and open flame. Full first-aid, storage, spill and PPE guidance is in the MSDS issued with every shipment, and should be read in full before this material is handled.

07 / STORAGE & SHELF LIFE

Keeping it on spec between delivery and use

General storage guidance for this grade. Site-specific storage rules, segregation requirements and re-test intervals should follow your own EHS procedures and the MSDS issued with your batch.

Storage TemperatureCool, ambient, below 25 °C
ContainerSealed drums
Typical Shelf Life24 months, unopened
Keep Away FromHeat, strong oxidizers, strong acids
Beyond Shelf LifeRe-assay before use

Store in a cool, dry, well-ventilated area away from heat sources, strong oxidizing agents and strong acids, in tightly closed original packaging. As the product is both flammable and hygroscopic, minimise exposure to ignition sources and humid air during transfer. If a batch is held past its retest date, re-check assay, colour and water content before use.

08 / PACKING & EXPORT

How it ships from Indonesia

Standard packing and export terms for this product. Confirm exact figures against your order — they vary slightly by destination and quantity.

Standard Packing200 kg drums (liquid)
Bulk PackingISO tank on request
Min. OrderFrom 1 tonne
Lead Time2 – 3 weeks
Export TermsFOB · CFR · CIF
09 / QUALITY & DOCUMENTATION

What travels with every batch

Specification is agreed before the purchase order, not discovered on arrival. Every shipment of Piperidine leaves with a documented, checkable paper trail.

Doc 01

Certificate of Analysis

Batch-wise assay (by titration/GC), colour and relevant physical constants, issued against the agreed specification so your QC team can check it, not just file it.

Doc 02

Safety Data Sheet

GHS-format SDS in English covering hazard classification, handling, storage, first-aid and spill response for the exact grade of Piperidine shipped.

Doc 03

Technical Data Sheet

Reference physical and chemical properties, recommended storage and typical applications, for internal circulation to your process or R&D teams.

Doc 04

Certificate of Origin

Confirms Indonesian origin for customs clearance and any preferential-duty claim at your destination port.

Doc 05

Dangerous Goods Declaration

UN packing group, classification and shipper's declaration prepared ahead of loading so documentation never holds up customs.

Doc 06

Third-Party Inspection

Independent pre-shipment inspection and re-sampling can be arranged on request, at your cost, for buyers who require it as a matter of policy.

10 / FAQ

Frequently asked questions

What buyers most often ask our sales desk about this grade.

01What is Piperidine used for?+
As a core structural building block across pharmaceutical synthesis, as an intermediate for rubber vulcanisation accelerators, and as a general organic base, solvent and condensation catalyst.
02What is the CAS number of Piperidine?+
Its CAS Registry Number is 110-89-4, with molecular formula C₅H₁₁N and a molar mass of 85.15 g/mol.
03How is Piperidine made?+
By catalytic hydrogenation of pyridine under hydrogen pressure over a nickel-, cobalt-, platinum- or palladium-based catalyst, fully saturating the aromatic ring.
04What purity grades does Chelora Chemicals supply?+
We supply technical grade (around 99% assay) for rubber-chemical and industrial-intermediate use, and high-purity grade (99.5%+) for pharmaceutical building-block applications. Each batch ships with a certificate of analysis.
05Is Piperidine hazardous?+
Yes. It is a highly flammable liquid that is toxic if swallowed or in contact with skin, and causes severe skin burns and eye damage. It must be handled with the PPE and fire precautions specified in the MSDS supplied with each shipment.
06Why is piperidine's nitrogen more basic than pyridine's?+
Because the ring is fully saturated rather than aromatic, the nitrogen lone pair is not delocalised into the ring and is more freely available, making piperidine a notably stronger base and nucleophile than pyridine.
07What packing options are available?+
Standard packing is 200 kg drums for the liquid, with ISO tank shipment available on request for bulk quantities.
08How long does delivery take?+
Typical lead time is two to three weeks plus transit, depending on whether the grade is ex-stock or made to order and your destination port. A firm date is confirmed in the written quotation.
09Can I get a sample before placing a bulk order?+
Yes. Pre-shipment samples and a batch certificate of analysis can be arranged so your QC team can verify the specification before committing to volume.
10Do you supply other cyclic amines as well?+
Yes, we also supply Piperazine, Morpholine and N-Methylmorpholine, related saturated ring amines with different ring compositions.
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