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ETHACURE® 300 - 102093-68-5

ETHACURE® 300

C9H14N2S2

CAS Number:  102093-68-5, 104983-85-9 EC Number:  676-681-9, 676-676-1

ETHACURE 300 curative, a liquid aromatic diamine with low chronic toxicity, is an effective curative for polyurethane cast elastomers. It is used in both hot and room-temperature casting. Other uses include as a slower chain extender for polyurethane urea and polyurea elastomers in reaction injection molding, structural reaction injection molding and handapplied and spray coating applications, alone or in blends with ETHACURE 100 curative.

Physical and Chemical Properties
Property Value
IUPAC Name
[2,4-diamino-5-methyl-3-(sulfanylmethyl)phenyl]methanethiol, 3,5-Dimethylthio-2,6-diaminotoluene
Molecular Weight
214.00g/mol
Appearance
Clear Liquid
Color
Yellow
Flash Point
176 °C (PMCC)
Boiling Point
200 °C at 16.8 torr
Viscosity
690 cSt at 20 °C
Density
1.208 g/ml at 20°C
Solubility in Water
<0.03 wt % at 20°C
Solubility in Other Solvents
  • Ethanol: Miscible
  • Toluene: Miscible
  • Heptane: 3.5 (at 20 °C)

Handling Instructions

Before handling or using this product, the material safety data sheet should be read and understood. This can be obtained from your Albemarle sales representative.

Legal Disclaimer

The information presented herein is believed to be accurate and reliable but is presented without guarantee or responsibility on the part of Albemarle Corporation and its subsidiaries and affiliates. It is the responsibility of the user to comply with all applicable laws and regulations and to provide for a safe workplace. The user should consider any health or safety hazards or information contained herein only as a guide and should take those precautions which are necessary or prudent to instruct employees and to develop work practice procedures in order to promote a safe work environment. Further, nothing contained herein shall be taken as an inducement or recommendation to manufacture or use any of the herein materials or processes in violation of existing or future patent.