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API Reference Standards

Octasulfur

Reference StandardAvailable on request

Order Octasulfur (CAS 10544-50-0) online at Zemixal: S8, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes
Octasulfur chemical structure
CAS number10544-50-0
FormulaS8
Molar mass256.5 g/mol
Physical formSolid
HS code38229090
InChIKeyJLQNHALFVCURHW-UHFFFAOYSA-N
IUPAC nameoctathiocane

About Octasulfur

Octasulfur sits in our API Reference Standards section and ships worldwide from stock or short lead time. Key data (Reference Standard): CAS 10544-50-0, formula S8 and molar mass 256.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Safe handling

Classified under GHS with signal word Warning and hazard statements H228 and H315. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Octasulfur
Product nameOctasulfur
Catalogue numberZX-047735
CAS number10544-50-0
IUPAC nameoctathiocane
Molecular formulaS8
Molar mass256.5 g/mol
Exact mass255.7766
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors0 / 8
Topological polar surface area202 Ų
HS code38229090
InChIKeyJLQNHALFVCURHW-UHFFFAOYSA-N
SMILESS1SSSSSSS1
PubChem CID66348
SynonymsCyclic octaatomic sulfur, Sulphur yellow 2, Sulfur, mol. (S8), Sulfur powder, Cyclooctasulfane, Sulfur S8, Delmite, Micronite, Sulfur,sublimed, Sulfur octamer, Cosavet Fertis, Crystex Sulfur

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

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H228Flammable solid
  • H315Causes skin irritation

Precautionary statements P210, P240, P241, P264, P280, P302 + P352, P321, P332 + P317, P362 + P364, P370 + P378

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 Octasulfur
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Octasulfur

Which CAS number identifies Octasulfur?
Octasulfur is registered under CAS 10544-50-0. You may also see it listed as Cyclic octaatomic sulfur, Sulphur yellow 2, Sulfur, mol. (S8). Our catalogue number for this item is ZX-047735.
What are the formula and molar mass of Octasulfur?
For Octasulfur, its formula is S8 and its molar mass is 256.5 g/mol. The systematic (IUPAC) name is octathiocane. InChIKey JLQNHALFVCURHW-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Octasulfur?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Octasulfur?
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 Octasulfur to my country?
Yes. Because Octasulfur is classed as hazardous, 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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