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Molekula

Molekula

p-Phenetidine

SKU 30977876 CAS 156-43-4 C2H5OC6H4NH2 MW 137.18 Made to order Bulk quantities on request

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.

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Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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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

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08
  • GHS pictogram — Hazardous to the Environment 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.

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