Description

S-Ethylisothiourea Hydrobromide is a versatile organic salt widely utilized as a key intermediate in advanced chemical synthesis. This compound is valued for its role in the production of pharmaceuticals, agrochemicals, and specialized fine chemicals, where precise molecular structure is critical. It is an essential building block for researchers and manufacturers in the life sciences and specialty chemical sectors seeking reliable, high-purity raw materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with thiourea or guanidine moieties.
• Agrochemical Synthesis: Used in the manufacturing of herbicides, fungicides, and plant growth regulators.
• Biochemical Research: Serves as a reagent in proteomics and enzyme inhibition studies, often acting as a protein denaturant or chaotropic agent.
• Fine Chemical Production: Employed as a building block for dyes, pigments, and other complex organic molecules.
• Corrosion Inhibitor Formulation: A component in specialty formulations designed to protect metals in industrial processes.

Basic Information

Product Name	S-Ethylisothiourea Hydrobromide
CAS No.	1071-37-0
Molecular Formula	C3H9N2S·HBr
Molecular Weight	201.09 g/mol
Synonyms	SEIT HBr; 2-Ethyl-2-thiopseudourea Hydrobromide; Ethylisothiourea Hydrobromide; S-Ethylisothiouronium Bromide; 2-Ethylisothiourea Hydrobromide; Amino(ethylthio)methaniminium Bromide; Isothiourea, S-ethyl-, hydrobromide
EINECS	213-985-5

Quality Control

Our S-Ethylisothiourea Hydrobromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, moisture content, and residual solvents.

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 under dry conditions to prevent decomposition. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	188°C - 192°C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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