2-Ethylhexyl mercaptoacetate CAS 7659-86-1 - Image 2

2-Ethylhexyl mercaptoacetate CAS 7659-86-1

CAS: 7659-86-1
Purity: 99%
Molecular Formula: C10H20O2S
Molecular Weight: 204.33
EINECS: 231-626-4
Storage Period: 2 years

Synonyms: OCTYLTHIOGLYCOLATE;THIOGLYCOLICACID2-ETHYLHEXYLESTER;THIOGLYCOLICACIDOCTYLESTER;2-ethvlhexvlthioglvcolate;mercapto-aceticaChemicalbookci2-ethylhexylester;thioglykolsaeure-2-aethylhexylester;ACETICACID,MERCAPTO-,2-ETHYLHEXYLESTER;2-ETHYLHEXYLMERCAPTOACETATE

What is 2-Ethylhexyl mercaptoacetate CAS 7659-86-1？

2-Ethylhexyl mercaptoacetate is an organic compound with the formula C10H20O2S. 2-Ethylhexyl mercaptoacetate is stable at room temperature and pressure, does not decompose if used and stored according to specifications, and has no known dangerous reactions. 2-Ethylhexyl mercaptoacetate is used as a stabilizer in the plastics industry especially in PVC products.

2-Ethylhexyl Mercaptoacetate (CAS 7659-86-1), also known as 2-Ethylhexyl Thioglycolate, is a high-performance organosulfur compound widely used as a chain transfer agent in polymerization reactions. It serves as an efficient regulator of molecular weight in polymer systems and ensures uniform polymer structure and flexibility.

As a clear, colorless to pale yellow liquid with a characteristic odor, 2-Ethylhexyl Thioglycolate 7659-86-1 has excellent solubility in organic solvents and compatibility with various polymer materials. It is particularly suitable for PVC, Acrylic, and Rubber manufacturing.

Specification

Item	Specification
Density	0.972 g/mL at 20 °C (lit.)
Boiling point	255-260 °C (lit.)
Flash point	136°C
Refractive index	n20/D 1.461
LogP	4.7 at 20℃

Applications of 2-Ethylhexyl Mercaptoacetate

1. Polymerization Modifier

2-Ethylhexyl Mercaptoacetate is widely used as a chain transfer agent in the emulsion polymerization of PVC, Acrylic resins, and Styrene–Acrylate copolymers. It effectively controls molecular weight, improves processability, and enhances polymer flexibility.

2. Rubber and Elastomer Production

In rubber formulations, 2-Ethylhexyl Thioglycolate acts as a vulcanization modifier and crosslinking aid, improving elasticity and reducing brittleness.

3. Stabilizers and Additives

Due to its strong sulfur activity, 2-Ethylhexyl Thioglycolate 7659-86-1 can serve as a precursor in producing stabilizers and antioxidants for polymer systems, improving UV and heat resistance.