Molekula
p-Phenetidine
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
p-Phenetidine is an aromatic amine with the chemical formula C2H5OC6H4NH2, primarily used in the synthesis of dyes, pharmaceuticals, and agrochemicals. It serves as a key intermediate in the production of azo dyes and certain medicinal compounds. This chemical has a CAS number of 156-43-4 and a molecular weight of 137.18 g/mol. It should be stored at ambient temperatures, with a signal word of Warning indicating moderate hazard. Molekula supplies p-Phenetidine 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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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 | Colourless to light yellow liquid |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 122 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 2.4 °C |
| Boiling Point | 253-255 °C |
| Vapour Pressure | 10 Pa at 50 °C |
Source: PubChem CID 9076 (ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 30977876 |
| CAS Number | 156-43-4 |
| IUPAC Name | 4-ethoxyaniline |
| EC Number | 205-855-5 |
| Molecular Formula | C2H5OC6H4NH2 |
| Molecular Weight | 137.18 |
| Exact Mass | 137.0841 |
| SMILES | CCOC1=CC=C(C=C1)N |
| InChIKey | IMPPGHMHELILKG-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H11NO/c1-2-10-8-5-3-7(9)4-6-8/h3-6H,2,9H2,1H3 |
| PubChem CID | 9076 |
| UN Number | UN2311 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29222981 |
| Tariff Code | 2922290090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H341 Suspected of causing genetic defects
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- P342+311 Call a POISON CENTER or doctor
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-Amino-4-ethoxybenzene
- 4-Aminophenetole
- 4-ETHOXYANILINE
- Aniline, p-ethoxy-
- Benzenamine, 4-ethoxy-
- p-Aminophenetole
- p-Ethoxyaniline
- p-Phenetidin
- Phenethidine
- Phenetidine
Frequently asked questions
What is p-Phenetidine commonly used for?
p-Phenetidine is primarily used as a precursor in the synthesis of pharmaceuticals, dyes, and agrochemicals, including intermediates for sulfonamides and other fine chemicals.
What is the chemical formula and molecular weight of p-Phenetidine?
The chemical formula is **C2H5OC6H4NH2** (C8H11NO), and the molecular weight is **137.18 g/mol**.
How should p-Phenetidine be stored?
Store p-Phenetidine at **ambient temperature** in a tightly sealed container, away from moisture, light, and incompatible substances.
What grades of p-Phenetidine does Molekula supply?
Molekula supplies **pharmaceutical-grade** and **fine chemical-grade** p-Phenetidine, depending on application requirements.
Can Molekula supply p-Phenetidine in bulk quantities?
Yes, Molekula can supply p-Phenetidine in **bulk quantities** (minimum order quantities vary; contact us for details).
What documentation comes with an order of p-Phenetidine?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.