Molekula
4-Fluoroaniline
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
4-Fluoroaniline is an aromatic amine with a fluorine substituent, widely used as a key intermediate in pharmaceutical synthesis, agrochemicals, and dye manufacturing due to its reactive amino group. This high-purity chemical is supplied as a white to off-white solid or liquid with a distinct odor, essential for fluorinated compound production. Catalogue details: CAS 371-40-4, molecular formula FC6H4NH2, molecular weight 111.12 g/mol, storable at ambient conditions. The product carries a *Danger* signal word per GHS classification. Molekula supplies 4-Fluoroaniline 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 reddish brown and transparent liquid slightly soluble in water |
| Impurity | ≤0.1% |
| Moisture | ≤0.1% |
| Content | ≥99.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 73 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Pale yellow liquid |
| Melting Point | -1.9 °C |
| Boiling Point | 188 °C |
| Water Solubility | 33 g/L at 20 °C |
| Solubility (other solvents) | Soluble in ethanol and ether; slightly soluble in chloroform |
| Vapour Pressure | 0.75 mmHg (1 hectoPa) at 20 °C |
| Refractive Index | 1.51954 |
| pKa | pKa = 4.65 |
| log P (octanol/water) | 1.15 |
Source: PubChem CID 9731 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90034065 |
| CAS Number | 371-40-4 |
| IUPAC Name | 4-fluoroaniline |
| EC Number | 206-735-5 |
| Molecular Formula | FC6H4NH2 |
| Molecular Weight | 111.12 |
| Exact Mass | 111.0484 |
| SMILES | C1=CC(=CC=C1N)F |
| InChIKey | KRZCOLNOCZKSDF-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H6FN/c7-5-1-3-6(8)4-2-5/h1-4H,8H2 |
| PubChem CID | 9731 |
| UN Number | UN2941 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29214290 |
| Tariff Code | 2921420090 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H314 (sub cat. 1C) Causes severe skin burns and eye damage
- H318 Causes serious eye damage
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very 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
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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
- 1-Amino-4-fluorobenzene
- 4-Fluorobenzenamine
- 4-Fluoronaniline
- Aniline, 4-fluoro-
- Aniline, p-fluoro-
- Benzenamine, 4-fluoro-
- Fluoroanilines
- p-Fluoroaniline
- p-Fluorophenylamine
- para-Fluoroaniline
Frequently asked questions
What is 4-fluoroaniline commonly used for?
4-Fluoroaniline is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty dyes, particularly where fluorinated aromatic compounds are required.
What is the chemical formula and molecular weight of 4-fluoroaniline?
The chemical formula is **FC₆H₄NH₂**, and the molecular weight is **111.12 g/mol**.
How should 4-fluoroaniline be stored?
Store at **ambient temperature** in a cool, dry place, away from sources of ignition, and keep the container tightly sealed.
What grades or purity levels of 4-fluoroaniline does Molekula supply?
Molekula supplies **high-purity (98%+)** 4-fluoroaniline, suitable for research, development, and industrial applications.
Can Molekula supply 4-fluoroaniline in bulk quantities?
Yes, Molekula can provide **bulk quantities** of 4-fluoroaniline, with flexible packaging options depending on customer requirements.
What documentation comes with an order of 4-fluoroaniline?
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.