Phosphinothricin

Also known as: Glufosinate free acid, 2-Amino-4-(hydroxymethylphosphinyl)butanoic acid, 2-Amino-4-(methylhydroxyphosphinyl)butyric acid, HOE-35956, HOE-866, C05042, 4-[hydroxy(methyl)phosphinoyl]-DL-homoalanine

Phosphinothricin (CAS 51276-47-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H12NO4P and a molecular weight of 181.12700 g/mol. Key properties include a melting point of 230ºC, a boiling point of 519.1ºC at 760 mmHg, a density of 1.378 g/cm3 and a flash point of 267.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51276-47-2
Jingsj CID: J-1958345-5
Molecular Formula: C₅H₁₂NO₄P
Molecular Weight: 181.12700 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	230ºC
Boiling Point	519.1ºC at 760 mmHg
Density	1.378 g/cm3
Flash Point	267.7ºC
Exact Mass	181.05000
PSA	110.43000
LogP	0.38890
Refractive Index	1.5

Activity & Biological Data

Additional Information	[1]. Áy Z, et al. The effect of high concentrations of glufosinate ammonium on the yield components of transgenic spring wheat (Triticum aestivum L.) constitutively expressing the bar gene. ScientificWorldJournal. 2012;2012:657945. [2]. Feat-Vetel J, et al. Multiple effects of the herbicide glufosinate-ammonium and its main metabolite on neural stem cells from the subventricular zone of newborn mice. Neurotoxicology. 2018 Dec;69:152-163. [3]. Ebert E, et al. Summary of safety evaluation toxicity studies of glufosinate ammonium. Food Chem Toxicol. 1990 May;28(5):339-49.

Additional Information

[1]. Áy Z, et al. The effect of high concentrations of glufosinate ammonium on the yield components of transgenic spring wheat (Triticum aestivum L.) constitutively expressing the bar gene. ScientificWorldJournal. 2012;2012:657945. [2]. Feat-Vetel J, et al. Multiple effects of the herbicide glufosinate-ammonium and its main metabolite on neural stem cells from the subventricular zone of newborn mice. Neurotoxicology. 2018 Dec;69:152-163. [3]. Ebert E, et al. Summary of safety evaluation toxicity studies of glufosinate ammonium. Food Chem Toxicol. 1990 May;28(5):339-49.

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. 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 Phosphinothricin?

The CAS number of Phosphinothricin is 51276-47-2.

What are the molecular formula and molecular weight of Phosphinothricin?

Phosphinothricin has molecular formula C5H12NO4P and molecular weight 181.12700 g/mol.

What are the upstream and downstream products of Phosphinothricin?

For Phosphinothricin, Downstream Products: Glufosinate-ammonium.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Phosphinothricin (CAS 51276-47-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958345-5 (accessed 2026-11-07).

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