Description

N,N'-Dimethylthiourea is a versatile organic sulfur compound with the CAS number 534-13-4, widely recognized for its role as an effective vulcanization accelerator and corrosion inhibitor. This compound is critical for enhancing the processing efficiency and durability of rubber products while providing robust protection for metal surfaces in industrial systems. It serves as a key raw material for manufacturers in the rubber, polymer, metal treatment, and specialty chemical synthesis industries.

Application

• Rubber Vulcanization: Primary use as a non-discoloring, fast-curing accelerator for chloroprene (neoprene) and other specialty rubbers.
• Corrosion Inhibition: Effective corrosion inhibitor in acid pickling baths, cooling water systems, and boiler water treatment for metals.
• Polymer Stabilizer: Acts as a stabilizer and antioxidant in polymer formulations to prevent thermal and oxidative degradation.
• Chemical Synthesis: Serves as a building block and catalyst in organic synthesis, particularly for heterocyclic compounds and pharmaceuticals.
• Photographic Industry: Used in specific photographic developers and as a stabilizer in silver halide emulsions.
• Electroplating Additive: Functions as a brightening agent and leveler in electroplating baths for improved metal deposition.

Basic Information

Product Name	N,N'-Dimethylthiourea
CAS No.	534-13-4
Molecular Formula	C3H8N2S
Molecular Weight	104.17 g/mol
Synonyms	1,3-Dimethyl-2-thiourea; N,N'-Dimethylthiocarbamide; DMTU; sym-Dimethylthiourea; Thiourea, N,N'-dimethyl-; 1,3-Dimethylthiourea; Accelerator 22; Vulcacit 22
EINECS	208-576-1

Quality Control

Our N,N'-Dimethylthiourea is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous internal specifications, which typically include identity confirmation, assay, and impurity profile testing. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

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); keep the container tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	204 - 208 °C
Loss on Drying	≤ 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.