Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
Electronic, Semiconductor & OLED Materials

(3-Mercaptopropyl) trimethoxysilane, 95%

Available on request

Order (3-Mercaptopropyl) trimethoxysilane, 95% (CAS 4420-74-0) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
(3-Mercaptopropyl) trimethoxysilane, 95% chemical structure
CAS number4420-74-0
FormulaC6H16O3SSi
Molar mass196.34 g/mol
Physical formLiquid
HS code29319090
UN numberUN 3082
Purity95%
InChIKeyUUEWCQRISZBELL-UHFFFAOYSA-N
IUPAC name3-trimethoxysilylpropane-1-thiol

About (3-Mercaptopropyl) trimethoxysilane, 95%

(3-Mercaptopropyl) trimethoxysilane, 95% is part of the Zemixal electronic, Semiconductor & OLED Materials range. Identity at a glance (95%): CAS 4420-74-0, formula C6H16O3SSi and molar mass 196.34 g/mol. It is described as colourless liquid.

Common uses in the lab and plant

  • Semiconductor research
  • Electronic devices
  • Thin films

Safe handling

Hazard communication follows GHS (Warning: H302, H312, H317 and H319). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 3082.

Order it in 25 g, 100 g, 500 g and 1 kg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Semiconductor research
  • Electronic devices
  • Thin films

Applications

Specifications and identifiers

Specifications of (3-Mercaptopropyl) trimethoxysilane, 95%
Product name(3-Mercaptopropyl) trimethoxysilane, 95%
Catalogue numberZX-017386
CAS number4420-74-0
IUPAC name3-trimethoxysilylpropane-1-thiol
Molecular formulaC6H16O3SSi
Molar mass196.34 g/mol
Exact mass196.0589
Purity / assay95%
Physical formLiquid
AppearanceColourless liquid
H-bond donors / acceptors1 / 4
Topological polar surface area28.7 Ų
HS code29319090
UN numberUN 3082
InChIKeyUUEWCQRISZBELL-UHFFFAOYSA-N
SMILESCO[Si](CCCS)(OC)OC
PubChem CID20473
Synonyms3-(Trimethoxysilyl)-1-propanethiol, (3-Mercaptopropyl)trimethoxysilane, MPTMS, 3-Mercaptopropyltrimethoxysilane, 3-(Trimethoxysilyl)propanethiol, 1-Propanethiol, 3-(trimethoxysilyl)-, Silquest A 189, Prosil 196, Silane A 189, (3-Thiopropyl)trimethoxysilane, NUCA 189, 3-(Sulfanylpropyl)trimethoxysilane

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P261, P264, P264 + P265, P270, P272, P273, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P317, P321, P330, P333 + P317, P337 + P317, P362 + P364, P391, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of (3-Mercaptopropyl) trimethoxysilane, 95%
25 gQuoted on request
100 gQuoted on request
500 gQuoted on request
1 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about (3-Mercaptopropyl) trimethoxysilane, 95%

Which CAS number identifies (3-Mercaptopropyl) trimethoxysilane, 95%?
(3-Mercaptopropyl) trimethoxysilane, 95% is registered under CAS 4420-74-0. You may also see it listed as 3-(Trimethoxysilyl)-1-propanethiol, (3-Mercaptopropyl)trimethoxysilane, MPTMS. Our catalogue number for this item is ZX-017386.
What are the formula and molar mass of (3-Mercaptopropyl) trimethoxysilane, 95%?
For (3-Mercaptopropyl) trimethoxysilane, 95%, its formula is C6H16O3SSi and its molar mass is 196.34 g/mol. The systematic (IUPAC) name is 3-trimethoxysilylpropane-1-thiol. InChIKey UUEWCQRISZBELL-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for (3-Mercaptopropyl) trimethoxysilane, 95%?
This listing is 95% purity. Standard packs are 25 g, 100 g, 500 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with (3-Mercaptopropyl) trimethoxysilane, 95%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship (3-Mercaptopropyl) trimethoxysilane, 95% to my country?
Yes. Because (3-Mercaptopropyl) trimethoxysilane, 95% is classed as hazardous (UN 3082), it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Compare 0 of 4Compare now