Description

Diammonium Germanate is an inorganic ammonium salt of germanic acid, a key precursor in advanced material synthesis. This compound is valued for its high-purity germanium content, which is critical for ensuring the performance and reliability of downstream electronic and optical products. It serves as an essential raw material for manufacturers in the semiconductor, fiber optics, and specialty catalyst industries seeking consistent quality and stable supply.

Application

• Semiconductor Manufacturing: As a high-purity precursor for the chemical vapor deposition (CVD) of germanium-containing thin films and epitaxial layers.
• Optical Fiber Production: Used in the doping process to modify the refractive index profile of silica-based optical fibers.
• Catalyst Synthesis: Serves as a starting material for preparing germanium-based catalysts used in polymerization and petrochemical processes.
• Phosphors and Luminescent Materials: A source of germanium for doping in zinc sulfide and other phosphors for displays and lighting.
• Specialty Glass & Ceramics: Incorporated to alter thermal and optical properties, such as increasing the refractive index of specialty glasses.
• Research & Development: A fundamental reagent in academic and industrial labs for exploring new germanium compounds and nanomaterials.

Basic Information

Product Name	Diammonium Germanate
CAS No.	12183-63-0
Molecular Formula	(NH₄)₂GeO₃
Molecular Weight	166.71 g/mol
Synonyms	Diammonium Germanium Trioxide; Ammonium Germanate; Germanium Diammonium Trioxide; Diammonium Trioxogermanate(2-); (NH4)2GeO3; Ammonium Metagermanate; Germanium(IV) Oxide Diammonium Salt
EINECS	235-349-1

Quality Control

Our Diammonium Germanate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profile analysis (for heavy metals and other cations), and physical characterization to ensure it meets the stringent requirements of high-tech applications. A Certificate of Analysis (COA) detailing purity, assay results, and trace metal content is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept sealed to prevent moisture absorption, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (as (NH₄)₂GeO₃)	≥ 99.0%
Germanium (Ge) Content	≥ 43.5%
Insoluble Matter	≤ 0.1%
Chloride (Cl)	≤ 0.01%
Sulfate (SO₄)	≤ 0.02%
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 5 ppm

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