Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

1466652

USP

N-Nitrosodiethylamine (NDEA)

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

N-Ethyl-N-nitrosoethanamine, NDEA

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C4H10N2O
CAS Number:
55-18-5
Molecular Weight:
102.14
UNSPSC Code:
41116107
NACRES:
NA.24

packaging

pkg of 1 mg

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecules)

format

neat

storage temp.

−20°C

InChI

1S/C4H10N2O/c1-3-6(4-2)5-7/h3-4H2,1-2H3

InChI key

WBNQDOYYEUMPFS-UHFFFAOYSA-N

Related Categories

General description

This product is provided as delivered and specified by the USP Pharmacopoeia. For further information and support, including certificate/ product information sheets, please go to the website of the issuing Pharmacopoeia.

Application

N-Nitrosodiethylamine (NDEA) USP reference standard is intended for use only as specificallyprescribed in the United States Pharmacopoeia.

It is also used to prepare standard, standard stock, nitrosamineRS stock, Nitrosamine standards stock solution mixture, and sensitivity stocksolutions to determine NDEA impurity in drug substances and drug products(valsartan, irbesartan, and losartan potassium etc.) by chromatography methodaccording to the general chapter <1469> of United States Pharmacopeia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  

Other Notes

Sales restrictions may apply.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Flam. Liq. 2 - STOT SE 1

Target Organs

Eyes,Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

49.5 °F

Flash Point(C)

9.7 °C

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

?1469? NITROSAMINE IMPURITIES
United States Pharmacopeia, 46(5) (2021)

Articles

Evaluation of Millex® Syringe Filters for Nitrosamine Impurities Testing in Pharmaceutical Drugs

An overview of nitrosamine impurity testing, worldwide regulations, and key considerations in filter selection for sample preparation and analysis.

Quantitative Analysis of Nitrosamine Impurities by LC-MS Methods from the United States Pharmacopeia General Chapter <1469>

This application note describes the LC-MS-based quantitative analysis of known nitrosamine impurities following procedures 1 and 3 as given in USP general chapter <1469>.

N-Nitrosamines Determination in Valsartan

GC-MS method detects nitrosamines in Valsartan tablets, meeting US FDA guidelines for pharmaceutical quality control.

Related Content

USP Compendial Reference Standards

Order from a broad range of highly characterized primary reference standard materials to use with USP-NF monographs for the testing of drug substances & dosage forms, pharmaceutical excipients, food ingredients and dietary supplements.

Nitrosamines in Pharmaceuticals

Accurately detect and quantify trace nitrosamines (NDMA, NDEA, NEIPA, NDIPA, NDBA, etc.) in pharmaceutical drugs using our complete product portfolio and application guides for LC-MS and GC-MS. Order high-quality reference standards, columns, filters & more.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service