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DL-2-Amino-5-phosphonopentanoic acid

Also known as: DL-AP5, AP-5, APV, DL-APV, 2-amino-5-phosphonovaleric acid, 5-phosphono-DL-norvaline, (+/-)-2-Amino-5-phosphonopentanoic acid, DL-2-amino-5-phosphonovaleric acid, 2-amino-5-phosphopentanoic acid, 5-phosphononorvaline

DL-2-Amino-5-phosphonopentanoic acid (CAS 76326-31-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H12NO5P and a molecular weight of 197.13 g/mol. Key properties include a boiling point of 482.1±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 245.4±31.5 °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.
76326-31-3
Jingsj CID
J-39894-3
Molecular Formula
C5H12NO5P
Molecular Weight
197.13 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point482.1±55.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point245.4±31.5 °C
Exact Mass197.045303
PSA130.66000
LogP-2.32
Vapor Pressure0.0±2.6 mmHg at 25°C
Refractive Index1.536
Additional PropertyNH4OH 1 M: 50 mg/mL, clear, colorless

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]. Murray CW, Cowan A, Larson AA. Neurokinin and NMDA antagonists (but not a kainic acid antagonist) are antinociceptive in the mouse formalin model. Pain. 1991;44(2):179-185. [2]. Massey SC, Miller RF. N-methyl-D-aspartate receptors of ganglion cells in rabbit retina. J Neurophysiol. 1990;63(1):16-30.

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. 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 DL-2-Amino-5-phosphonopentanoic acid?

The CAS number of DL-2-Amino-5-phosphonopentanoic acid is 76326-31-3.

What are the molecular formula and molecular weight of DL-2-Amino-5-phosphonopentanoic acid?

DL-2-Amino-5-phosphonopentanoic acid has molecular formula C5H12NO5P and molecular weight 197.13 g/mol.

Is DL-2-Amino-5-phosphonopentanoic acid hazardous?

DL-2-Amino-5-phosphonopentanoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "DL-2-Amino-5-phosphonopentanoic acid (CAS 76326-31-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39894-3 (accessed 2026-11-07).

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