Trimethoxysilylpropanethiol manufacturers and suppliers

Trimethoxysilylpropanethiol suppliers

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.)

Flash point:: 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

Odor: Slightly mercaptan odor

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

LogP: -1.4-1.7 at 20℃

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)

Safety Information

Symbol(GHS): GHS07,GHS09

Signal word: Warning

Hazard statements: H302-H317-H411

Precautionary statements: P273-P280-P301+P312+P330-P302+P352

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

Use

Trimethoxysilylpropanethiol is a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group. Trimethoxysilylpropanethiol is a clear, colorless to light yellow liquid with a slightly mercaptan odor. It is soluble in alcohols, ketones and aliphatic or aromatic hydrocarbons. Applications: Trimethoxysilylpropanethiol can be used as coupling agent to improve the adhesion of sulfur cured elastomers (polysulfide, polyurethane sealants) to inorganic fillers (such as silica, clay, glass, mica and talc etc.), fiberglass and surfaces. Mineral-reinforced articles such as shoe soles, rubber rollers and wheels, white sidewalls, and wire and cable insulation also can be produced with lower silane loadings. Used to improve properties of mineral filled elastomer, including modulus, tensile and tear strength, heat buildup, abrasion resistance, resilience, compression set and cure time. Used as a pretreatment on minerals or added at the time of compounding. Used to improve low-rolling resistance in silica-reinforced tire tread compounds.

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