Molekula
N,N,N,N-Tetramethyl-1,4-phenylenediamine
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
N,N,N,N-Tetramethyl-1,4-phenylenediamine (TMPD) is a diamine compound widely used as a polymerization initiator, redox indicator, and analytical reagent in chemical synthesis, microbiological oxidase testing, and electrochemical research. It appears as a reddish-brown crystalline solid with high purity requirements for industrial applications. This chemical has a CAS number of 100-22-1, molecular formula C10H16N2, and a molecular weight of 164.25 g/mol. It is stable at ambient storage conditions but requires careful handling due to its warning-level hazards. Molekula supplies N,N,N,N-Tetramethyl-1,4-phenylenediamine 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
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.
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5 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Purple to brown crystalline powder |
| Melting Point | 47°C - 53°C |
| Purity | >98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 110 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Boiling Point | 260 °C at 760 mmHg |
| Vapour Pressure | 0.07 mmHg |
Source: PubChem CID 7490 (CAMEO Chemicals, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 18154918 |
| CAS Number | 100-22-1 |
| IUPAC Name | 1-N,1-N,4-N,4-N-tetramethylbenzene-1,4-diamine |
| EC Number | 202-831-6 |
| Molecular Formula | C10H16N2 |
| Molecular Weight | 164.25 |
| Exact Mass | 164.1313 |
| SMILES | CN(C)C1=CC=C(C=C1)N(C)C |
| InChIKey | CJAOGUFAAWZWNI-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H16N2/c1-11(2)9-5-7-10(8-6-9)12(3)4/h5-8H,1-4H3 |
| PubChem CID | 7490 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2921.51.50.00 |
| Tariff Code | 2921519000 |
Safety & GHS
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Toxic
GHS06
-
Health Hazard
GHS07
Hazard statements
- H300 Fatal if swallowed
- H312 Harmful in contact with skin
- H332 Harmful if inhaled
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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, Portuguese, 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
- N,N,N',N'-Tetramethyl-1,4-Benzenediamine
- N,N,N',N'-TETRAMETHYL-P-PHENYLENEDIAMINE
- p-Bis(dimethylamino)benzene
- p-Phenylenediamine, N,N,N',N'-tetramethyl-
- Reagents, Wurster's
- Tetramethyl-p-phenylenediamine
- TL 85
- TMPD (amine)
- TMPPD
- Wurster's reagent
Frequently asked questions
What is N,N,N,N-Tetramethyl-1,4-phenylenediamine primarily used for?
It is commonly used as a polymerization initiator, a dye precursor, and as a redox indicator and electron donor, notably as the reagent in the microbiological oxidase test and in electrochemical and biochemical research.
What is the chemical formula and molecular weight of this compound?
The chemical formula is C10H16N2, and the molecular weight is 164.25 g/mol.
How should this chemical be stored?
Store in a tightly sealed container at ambient temperature, away from moisture, heat, and incompatible substances.
What grades or purities are available for this product?
We supply this compound in technical grade and analytical/ACS grade purity levels.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk quantities (typically ≥1 kg) upon request, subject to availability and compliance with safety regulations.
What documentation is provided with an order of this chemical?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a packing slip with batch details.
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.