Description

o-Ethylisourea Hydrogen Sulfate is a key organic intermediate and reagent used in the synthesis of more complex chemical structures. This compound matters for its role as a versatile building block in the production of pharmaceuticals, agrochemicals, and specialty chemicals, where it facilitates the introduction of the ethylisourea moiety. Industries that need it include pharmaceutical R&D, crop protection manufacturing, and fine chemical synthesis, where reliable quality and consistent supply are critical for process integrity.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing guanidine or related functional groups.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: A valuable reagent in organic synthesis for constructing heterocyclic compounds and modifying molecular structures.
• Dye and Pigment Manufacturing: Employed in the production of certain specialty dyes and colorants.
• Polymer Modification: Can be used to introduce specific functional groups into polymer chains to alter material properties.

Basic Information

Product Name	o-Ethylisourea Hydrogen Sulfate
CAS No.	68303-38-8
Molecular Formula	C3H8N2O4S
Molecular Weight	168.17 g/mol
Synonyms	O-Ethylisourea Hemisulfate; 1-Ethyl-2-iminourea Sulfate; Ethylisourea Sulfate; Ethylisourea Hemisulfate; 2-Imino-1-ethylurea Sulfate; Isourea, O-ethyl-, sulfate (1:1); Ethylisourea Hydrogen Sulphate; Guanidine, 1-ethyl-2-imino-, sulfate
EINECS	Contact for details

Quality Control

Our o-Ethylisourea Hydrogen Sulfate is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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