Molekula
1-Methylpiperazine 99.8% min.
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
1-Methylpiperazine (CAS 109-01-3) is a secondary amine with a piperazine core, primarily used as a building block in pharmaceutical synthesis, agrochemicals, and as a corrosion inhibitor. It appears as a colorless to pale yellow hygroscopic liquid with a strong ammonia-like odor. Catalogue details: purity 99.8% min., molecular formula C5H12N2, molecular weight 100.16 g/mol, stored at ambient conditions. Molekula supplies 1-Methylpiperazine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear, colourless liquid |
| Density | 0.901-0.904 |
| Refractive Index | 1.465-1.467 |
| Assay (GC) | ≥ 99.8% |
| Water (KF) | ≤0.20% |
| Total Other Impurities | ≤0.01% (GC) |
| Ethanol (10%) solubility | Soluble |
| Solubility 10% in water | Soluble |
| Piperazine | ≤ 0.03% (GC) |
| N, N-dimethyl-piperazine | ≤0.02% (GC) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 39 °C |
| Transport Class | 8 (3) |
| Packing Group | II |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 3 mmHg |
Source: PubChem CID 53167 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90029316 |
| CAS Number | 109-01-3 |
| IUPAC Name | 1-methylpiperazine |
| EC Number | 203-639-5 |
| Molecular Formula | C5H12N2 |
| Molecular Weight | 100.16 |
| Exact Mass | 100.1 |
| SMILES | CN1CCNCC1 |
| InChIKey | PVOAHINGSUIXLS-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H12N2/c1-7-4-2-6-3-5-7/h6H,2-5H2,1H3 |
| PubChem CID | 53167 |
| UN Number | UN2734 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29335995 |
| Tariff Code | 2933599590 |
Safety & GHS
-
Flammable
GHS02
-
Corrosive
GHS05
-
Toxic
GHS06
Hazard statements
- H226 Flammable liquid and vapour
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H331 Toxic if inhaled
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
Synonyms
- 1-methylpyperazine
- 4-Methylpiperazine
- METHYLPIPERAZINE
- N-mehylpiperazine
- N-Methylpiperazin
- N-Methylpiperazine
- N-methylpiperzine
- PIPERAZINE, 1-METHYL-
- Piperazine, methyl-
- WLN: T6M DNTJ D1
Frequently asked questions
What is 1-Methylpiperazine commonly used for?
1-Methylpiperazine is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and as a building block for organic compounds like surfactants and corrosion inhibitors.
What is the chemical formula and molecular weight of 1-Methylpiperazine?
The chemical formula is **C5H12N2**, and the molecular weight is **100.16 g/mol**.
How should 1-Methylpiperazine be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture, oxidizing agents, and incompatible materials.
What purity grades of 1-Methylpiperazine does Molekula supply?
Molekula supplies **1-Methylpiperazine at a minimum purity of 99.8%**.
Can Molekula supply 1-Methylpiperazine in bulk quantities?
Yes, Molekula can supply **1-Methylpiperazine in bulk**, with quantities tailored to your requirements—please contact us for details.
What documentation comes with an order of 1-Methylpiperazine?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.