Physical Properties

• Appearance: Colorless liquid
• Density (g/mL, 20℃): 0.955
• Melting point: < -70℃
• Boiling point (atmospheric pressure): 102–104℃
• Refractive index (n₂⁰/D): 1.371
• Flash point: 52℉
• Solubility: Soluble in methanol, ethanol, ketones and benzene; hydrolyzes and crosslinks in water to produce methanol

Main Applications

• Used as crosslinking agent for room-temperature vulcanized (RTV) silicone rubber
• Used as surface treatment agent for glass fiber and reinforced plastic laminates
• Used as coupling agent for silica

Identification Numbers

• CAS No.: 1185-55-3
• MDL No.: MFCD00008342
• EINECS No.: 214-685-0
• RTECS No.: VV4650000
• BRN No.: 1736151
• PubChem No.: 24885478

Chemical Properties

Safety & Customs Information

• WGK Germany: 3
• Customs Code: 29310095
• Hazard Class: 3
• Safety Instructions: S16
• Packing Group: II
• UN Dangerous Goods Code: UN1993 3/PG2
• Hazard Symbol: F (Flammable)
• Risk Codes: R11