DL-3-(4-Fluorophenyl)alanine

CAS NO.：51-65-0
Empirical Formula: C9H10FNO2
Molecular Weight: 183.18
MDL number: MFCD00002600
EINECS: 200-113-7
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:25:35

What is DL-3-(4-Fluorophenyl)alanine?

Chemical properties

white powder or flakes

Definition

ChEBI: A phenylalanine derivative in which the hydrogen at position 4 on the benzene ring is replaced by a fluoro group.

General Description

White powder or white shiny flakes.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

DL-3-(4-Fluorophenyl)alanine may be sensitive to exposure to light. A fluorinated amino acid. This is a neutral to slightly acidic material. DL-3-(4-Fluorophenyl)alanine may react as an organic amine or acid, although, its reactivity is moderated considerably by the presence of the other group.

Health Hazard

SYMPTOMS: DL-3-(4-Fluorophenyl)alanine is a phenylalanine antagonist and may cause inhibition of protein synthesis.

Fire Hazard

Flash point data for DL-3-(4-Fluorophenyl)alanine are not available; however, DL-3-(4-Fluorophenyl)alanine is probably combustible.

Biochem/physiol Actions

Inhibits mitosis and reversibly arrests HeLa cells in G2.

Properties of DL-3-(4-Fluorophenyl)alanine

Melting point:	253-255 °C (dec.)(lit.)
Density	1.1939 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
form	powder to crystal
Boiling point:	313.3±32.0 °C(Predicted)
pka	pK1:2.13(＋1);pK2:9.05(0) (25°C)
color	White to Almost white
Water Solubility	slightly soluble
BRN	29338793
Stability:	Stable. Combustible. Incompatible with strong oxidising agents. May be light sensitive.
CAS DataBase Reference	51-65-0(CAS DataBase Reference)
EPA Substance Registry System	p-Fluorophenylalanine (51-65-0)

Safety information for DL-3-(4-Fluorophenyl)alanine

Signal word	Danger
Pictogram(s)	Skull and Crossbones Acute Toxicity GHS06
GHS Hazard Statements	H300:Acute toxicity,oral
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.