Molekula
N,N-Dimethyl-p-toluidine
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-Dimethyl-p-toluidine is a nitrogen-containing organic compound used as a reagent in organic synthesis and as a catalyst in various chemical reactions. It serves as an accelerator in redox initiator systems that cure methyl and ethyl methacrylate resins, notably in dental materials, bone cements and plastic composites. It is a yellow to amber liquid with a characteristic amine odor. Available in high purity, it has a CAS number of 99-97-8, molecular formula C9H13N, and molecular weight of 135.21 g/mol. Stored at ambient temperature, it carries the signal word Danger due to its toxicity, including acute toxicity, skin sensitisation, suspected carcinogenicity and reproductive toxicity, organ toxicity on repeated exposure, and harm to aquatic life. Molekula supplies N,N-Dimethyl-p-toluidine 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.
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 — $56.10 per pack
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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 | Yellow to Brown liquid |
| Identification | Conforms to reference |
| Assay (GC) | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 76 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Clear colorless liquid |
| Odour | Aromatic |
| Boiling Point | 211 °C |
| Density | 0.9 (relative, water = 1) |
| Water Solubility | 455 mg/L |
| Solubility (other solvents) | Miscible with ethanol, ethyl ether; soluble in carbon tetrachloride |
| Vapour Pressure | 0.178 mmHg at 25 °C |
| Refractive Index | 1.5366 |
| pKa | pKa = 5.63 |
| log P (octanol/water) | 2.81 |
Source: PubChem CID 7471 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90028115 |
| CAS Number | 99-97-8 |
| IUPAC Name | N,N,4-trimethylaniline |
| EC Number | 202-805-4 |
| Molecular Formula | C9H13N |
| Molecular Weight | 135.21 |
| Exact Mass | 135.1048 |
| SMILES | CC1=CC=C(C=C1)N(C)C |
| InChIKey | GYVGXEWAOAAJEU-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H13N/c1-8-4-6-9(7-5-8)10(2)3/h4-7H,1-3H3 |
| PubChem CID | 7471 |
| UN Number | UN1708 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2921.43.9090 |
| Tariff Code | 2921430090 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H330 Fatal if inhaled
- H350 May cause cancer
- H361 Suspected of damaging fertility or the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
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
- Benzenamine, N,N,4-trimethyl-
- Dimethyl-4-toluidine
- Dimethyl-p-toluidine
- dimethyl-para-toluidine
- N,N-Dimethyl-4-methylaniline
- N,N-Dimethyl-p-tolylamine
- p-(Dimethylamino)toluene
- p-Methyl-N,N-dimethylaniline
- p-Toluidine, N,N-dimethyl-
- p,N,N-Trimethylaniline
Frequently asked questions
What is N,N-Dimethyl-p-toluidine used for?
It is primarily used as a catalyst in organic synthesis, particularly in the production of dyes and pharmaceuticals.
What is the chemical formula and molecular weight of N,N-Dimethyl-p-toluidine?
The formula is C9H13N with a molecular weight of 135.21 g/mol.
How should N,N-Dimethyl-p-toluidine be stored?
It should be stored at ambient temperature, away from light and incompatible materials.
What grade is available for N,N-Dimethyl-p-toluidine?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply N,N-Dimethyl-p-toluidine in bulk?
Yes, bulk quantities are available; please contact our sales team for pricing and availability.
What documentation comes with an order of N,N-Dimethyl-p-toluidine?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.