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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.

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(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

Electronics, PCB and SemiconductorsResearch Labs and Universities

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.

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