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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

4,4-Thiobis(2-(tert-butyl)-5-methylphenol)

Synonyms: 4,4'-Thiobis(6-tert-butyl-m-cresol) · Sumilizer WX · Santonox BM · Yoshinox SR

CAS No.96-69-5
FormulaC22H30O2S
Mol. weight358.50
Catalogue No.VQ-032506
PurityReference Standard
HSN38229090

4,4-Thiobis(2-(tert-butyl)-5-methylphenol) (CAS 96-69-5) – API impurity reference standard. C22H30O2S, MW 358.5. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 4,4-Thiobis(2-(tert-butyl)-5-methylphenol)

Listed under CAS 96-69-5, 4,4-Thiobis(2-(tert-butyl)-5-methylphenol) is an API impurity reference standard available from Vaqora Chemicals. Formula C22H30O2S, molecular weight 358.5 g/mol. Its systematic (IUPAC) name is 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol. Alternative names: 4,4'-Thiobis(6-tert-butyl-m-cresol) and Sumilizer WX.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4,4-Thiobis(2-(tert-butyl)-5-methylphenol) is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Industries

Specifications & identifiers

Chemical identifiers
Product name4,4-Thiobis(2-(tert-butyl)-5-methylphenol)
Catalogue No.VQ-032506
CAS Number96-69-5
IUPAC name2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol
Molecular formulaC22H30O2S
Molecular weight358.5 g/mol
Exact mass358.1967
GradeReference Standard
HSN code38229090
InChIKeyHXIQYSLFEXIOAV-UHFFFAOYSA-N
SMILESCC1=CC(=C(C=C1SC2=CC(=C(C=C2C)O)C(C)(C)C)C(C)(C)C)O
PubChem CID7308
Physical properties
Physical formSolid
LogP (XLogP3)7.4
H-bond donors / acceptors2 / 3
TPSA65.8 Ų
Synonyms4,4'-Thiobis(6-tert-butyl-m-cresol), Sumilizer WX, Santonox BM, Yoshinox SR, Thioalkofen MBCh, Thioalkofen BMCH, Sumilizer WX-R, Santowhite crystals, Santonox R, Disperse MB-61, Thioalkofen BM 4

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS09 Environmental hazard
Environmental hazard

Signal word: Warning

Hazard statements

  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of 4,4-Thiobis(2-(tert-butyl)-5-methylphenol)?

The CAS Registry Number of 4,4-Thiobis(2-(tert-butyl)-5-methylphenol) is 96-69-5. It is also known as 4,4'-Thiobis(6-tert-butyl-m-cresol), Sumilizer WX, Santonox BM.

What is the molecular formula and molecular weight of 4,4-Thiobis(2-(tert-butyl)-5-methylphenol)?

4,4-Thiobis(2-(tert-butyl)-5-methylphenol) has the molecular formula C22H30O2S and a molecular weight of 358.5 g/mol. Its IUPAC name is 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol.

Which grade and pack sizes of 4,4-Thiobis(2-(tert-butyl)-5-methylphenol) can I order?

We supply 4,4-Thiobis(2-(tert-butyl)-5-methylphenol) in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4,4-Thiobis(2-(tert-butyl)-5-methylphenol)?

Yes. Every lot of 4,4-Thiobis(2-(tert-butyl)-5-methylphenol) is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4,4-Thiobis(2-(tert-butyl)-5-methylphenol) be shipped internationally?

Yes. 4,4-Thiobis(2-(tert-butyl)-5-methylphenol) is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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