(3-Mercaptopropyl)trimethoxysilane CAS NO.4420-74-0

Trimethoxysilylpropanethiol Chemical Properties
Melting point     <-50°C
Boiling point     213-215 °C(lit.)
density     1.057 g/mL at 25 °C(lit.)
vapor pressure     0.2 hPa (20 °C)
refractive index     n20/D 1.444(lit.)
Fp     204 °F
storage temp.     2-8°C
solubility     Miscible with methanol, ethanol, isopropanol, acetone, benzene, toluene and xylene.
pka    10.47±0.10(Predicted)
form     Liquid
color     Clear colorless to light yellow
Specific Gravity    1.04
Water Solubility     decomposes
Sensitive     Air & Moisture Sensitive
Hydrolytic Sensitivity    7: reacts slowly with moisture/water
BRN     2038119
Stability:    Stable, but moisture sensitive - may decomposes on exposure to moist air. Incompatible with water, alcohols, strong oxidizing agents, strong acids.
InChIKey    UUEWCQRISZBELL-UHFFFAOYSA-N
CAS DataBase Reference    4420-74-0(CAS DataBase Reference)
NIST Chemistry Reference    1-Propanethiol, 3-(trimethoxysilyl)-(4420-74-0)
EPA Substance Registry System    1-Propanethiol, 3-(trimethoxysilyl)- (4420-74-0)

Trimethoxysilylpropanethiol Basic information
Silane coupling agent KH-590 Uses Uses
Product Name:    Trimethoxysilylpropanethiol
Synonyms:    .gamma.-Mercaptopropyltrimethoxysilicane;1-Propanethiol,3-(trimethoxysilyl)-;3-(trimethoxysilyl)-1-propanethio;kbm803;m8500;nuca189;Propanethiol, trimethoxysilyl-;Prosil 196
CAS:    4420-74-0
MF:    C6H16O3SSi
MW:    196.34
EINECS:    224-588-5
Mol File:    4420-74-0.mol

Safety Information
Hazard Codes     Xn,N
Risk Statements     22-43-51/53
Safety Statements     24/25-36/37-61-57-37-24
RIDADR     UN 3082 9/PG 3
WGK Germany     2
RTECS     TZ7800000
F     1-10-13
Autoignition Temperature    235 °C
TSCA     Yes
HazardClass     9
PackingGroup     III
HS Code     29310095
Toxicity    LD50 orally in Rabbit: 774 mg/kg LD50 dermal Rabbit 2268 mg/kg