Description

Dimethyl Yellow-D5 is a deuterated analog of the common pH indicator and dye, Dimethyl Yellow. This stable isotope-labeled compound is essential for applications requiring high analytical precision and minimal background interference. It serves as a critical internal standard and reference material in advanced quantitative analysis. Key industries that rely on this specialty chemical include pharmaceutical research, analytical chemistry, and environmental testing.

Application

• Internal Standard for Liquid Chromatography-Mass Spectrometry (LC-MS) in pharmaceutical bioanalysis.
• Deuterated Reference Material for quantitative NMR (qNMR) spectroscopy.
• Tracer compound in environmental fate studies and degradation pathway analysis.
• Calibration standard for high-performance liquid chromatography (HPLC) method development and validation.
• Stable isotope-labeled reagent in metabolomics and proteomics research.
• Critical component in the synthesis of deuterated dyes for specialized optical sensors.

Basic Information

Product Name	Dimethyl Yellow-D5
CAS No.	1398109-08-4
Molecular Formula	C14H10D5N3
Molecular Weight	229.30 g/mol (approx.)
Synonyms	4-(Dimethylamino)azobenzene-D5; N,N-Dimethyl-4-(phenylazo)aniline-D5; Methyl Yellow-D5; Butter Yellow-D5; p-Dimethylaminoazobenzene-D5; Solvent Yellow 2-D5; C.I. 11020-D5; DMAB-D5
EINECS	Contact for details

Quality Control

Every batch of Dimethyl Yellow-D5 is manufactured and tested under strict quality management systems. We guarantee high chemical purity and isotopic enrichment, supported by comprehensive analytical data. Certificates of Analysis (COA) detailing purity (by HPLC/NMR), isotopic purity (D-content), and identity confirmation are provided for traceability and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Orange to yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (D-content)	≥ 98 atom % D
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.