8.18818

3-(Trimethoxysilyl)-1-propanethiol

for synthesis

• Synonym(s): 3-(Trimethoxysilyl)-1-propanethiol, (3-Mercaptopropyl)trimethoxysilane
• Empirical Formula (Hill Notation): C₆H₁₆O₃SSi
• CAS Number: 4420-74-0
• Molecular Weight: 196.34
• MDL number: MFCD00004901
• UNSPSC Code: 12352103
• EC Index Number: 224-588-5
• NACRES: NA.22

Properties

• vapor pressure: 0.2 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥95.0% (GC)
• form: liquid
• autoignition temp.: 235 °C
• potency: 774 mg/kg LD₅₀, oral (Rat); 2268 mg/kg LD₅₀, skin (Rabbit)
• bp: 213-215 °C/1013 hPa
• mp: <-50 °C
• transition temp: flash point 85 °C
• density: 1.05 g/cm³ at 25 °C
• storage temp.: 2-30°C
• InChI: 1S/C6H16O3SSi/c1-7-11(8-2,9-3)6-4-5-10/h10H,4-6H2,1-3H3
• InChI key: UUEWCQRISZBELL-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 95.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.055 - 1.057
Identity (IR): passes test

Safety Information

• Pictograms: GHS07,GHS09
• Signal Word: Warning
• Hazard Statements: H302 - H317 - H411
• Precautionary Statements: P261 - P264 - P273 - P280 - P301 + P312 - P302 + P352
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2 - Skin Sens. 1
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 2
• Flash Point(F): 204.8 °F - closed cup
• Flash Point(C): 96 °C - closed cup