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4-Bromo-DL-phenylalanine

Also known as: p-Bromo-DL-phenylalanine, DL-4-Bromophenylalanine, H-DL-Phe(4-Br)-OH, 2-Amino-3-(4-bromophenyl)propanoic acid, (RS)-4-bromophenylalanine, (DL)-4-bromophenylalanine, DL-p-Bromophenylalanine, 4-Bromophenylalanine, H-DL-Phe(p-Br)-OH, H-p-Bromo-DL-Phe-OH, DL-4-Br-Phe-OH

4-Bromo-DL-phenylalanine (CAS 14091-15-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10BrNO2 and a molecular weight of 244.085 g/mol. Key properties include a melting point of 262-263 °C (dec.)(lit.), a boiling point of 368.4±32.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 176.6±25.1 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14091-15-7
Jingsj CID
J-3675-9
Molecular Formula
C9H10BrNO2
Molecular Weight
244.085 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point262-263 °C (dec.)(lit.)
Boiling Point368.4±32.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point176.6±25.1 °C
Exact Mass242.989487
PSA63.32000
LogP1.88
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.609

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-896.

Customs & Trade Information

HS Code2922499990
SummaryHS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Bromo-DL-phenylalanine?

The CAS number of 4-Bromo-DL-phenylalanine is 14091-15-7.

What are the molecular formula and molecular weight of 4-Bromo-DL-phenylalanine?

4-Bromo-DL-phenylalanine has molecular formula C9H10BrNO2 and molecular weight 244.085 g/mol.

Is 4-Bromo-DL-phenylalanine hazardous?

4-Bromo-DL-phenylalanine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 4-Bromo-DL-phenylalanine?

For 4-Bromo-DL-phenylalanine, Upstream Products: (Z)-4-(4-Bromobenzylidene)-2-phenyloxazol-5(4H)-one, 2-(4-Bromobenzyl)malonic acid, Ammonia; Downstream Products: 4-Bromo-L-phenylalanine, 4-Bromo-D-phenylalanine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Bromo-DL-phenylalanine (CAS 14091-15-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3675-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.