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Sulfur Compounds (Thiols, Sulfides, Sulfonates)

1-Octadecanethiol, 98%

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Order 1-Octadecanethiol, 98% (CAS 2885-00-9) online at Zemixal: C18H38S, COA and SDS with every lot, worldwide shipping.

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1-Octadecanethiol, 98% chemical structure
CAS number2885-00-9
FormulaC18H38S
Molar mass286.6 g/mol
Physical formLiquid
HS code29420090
UN numberUN 3335
Purity98%
InChIKeyQJAOYSPHSNGHNC-UHFFFAOYSA-N
IUPAC nameoctadecane-1-thiol

About 1-Octadecanethiol, 98%

Researchers and plant chemists source 1-Octadecanethiol, 98% from Zemixal for routine and specialised work. Key data (98%): CAS 2885-00-9, formula C18H38S and molar mass 286.6 g/mol. Typical appearance is white to colourless solid to liquid.

Where it is used

  • Organic synthesis
  • API synthesis

Safe handling

Physical constants on file: melting point 30-33 °C and density 0.847 g/mL at 25 °C. Hazard communication follows GHS (Warning: H315, H319, H335 and H413). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 3335.

Available as 25 mL, 100 mL and 500 g. Larger or split packs can be arranged. Every shipment includes 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

  • Organic synthesis
  • API synthesis

Applications

Specifications and identifiers

Specifications of 1-Octadecanethiol, 98%
Product name1-Octadecanethiol, 98%
Catalogue numberZX-009805
CAS number2885-00-9
IUPAC nameoctadecane-1-thiol
Molecular formulaC18H38S
Molar mass286.6 g/mol
Exact mass286.2694
Purity / assay98%
Physical formLiquid
AppearanceWhite to colourless solid to liquid
Melting point30-33 °C
Density0.847 g/mL at 25 °C
XLogP39.4
H-bond donors / acceptors1 / 1
Topological polar surface area1 Ų
HS code29420090
UN numberUN 3335
InChIKeyQJAOYSPHSNGHNC-UHFFFAOYSA-N
SMILESCCCCCCCCCCCCCCCCCCS
PubChem CID17905
SynonymsMercaptan C18, Octadecyl mercaptan, Stearyl mercaptan, n-Octadecyl mercaptan, 1-Mercaptooctadecane, n-octadecanethiol, octadecylthiol, 1-Octadecyl mercaptan, Octadecanethiol, octadecane thiol, 1-octadecanthiol, 1-octadecylmercaptan

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

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 1-Octadecanethiol, 98%
25 mLQuoted on request
100 mLQuoted on request
500 gQuoted on request

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

Questions about 1-Octadecanethiol, 98%

Which CAS number identifies 1-Octadecanethiol, 98%?
1-Octadecanethiol, 98% is registered under CAS 2885-00-9. You may also see it listed as Mercaptan C18, Octadecyl mercaptan, Stearyl mercaptan. Our catalogue number for this item is ZX-009805.
What are the formula and molar mass of 1-Octadecanethiol, 98%?
For 1-Octadecanethiol, 98%, its formula is C18H38S and its molar mass is 286.6 g/mol. The systematic (IUPAC) name is octadecane-1-thiol. InChIKey QJAOYSPHSNGHNC-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 1-Octadecanethiol, 98%?
This listing is 98% purity. Standard packs are 25 mL, 100 mL, 500 g. Larger quantities and custom packing can be quoted on request.
Which documents come with 1-Octadecanethiol, 98%?
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 1-Octadecanethiol, 98% to my country?
Yes. Because 1-Octadecanethiol, 98% is classed as hazardous (UN 3335), 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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