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Bis(4-methoxyphenyl) disulfide

Also known as: 4,4'-Dimethoxy diphenyl disulfide, 4,4'-Dithiobis(methoxybenzene), 4,4'-Dithiodianisole, 4-Methoxyphenyl disulfide, Bis(4-methoxyphenyl) persulfide, Di(4-methoxyphenyl) disulfide, 1,1'-Disulfanediylbis(4-methoxybenzene), 1,1'-Dithiobis(4-methoxybenzene), 1-methoxy-4-[(4-methoxyphenyl)disulfanyl]benzene

Bis(4-methoxyphenyl) disulfide (CAS 5335-87-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H14O2S2 and a molecular weight of 278.390 g/mol. Key properties include a melting point of 41-45 °C(lit.), a boiling point of 395.1±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 192.8±23.7 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5335-87-5
Jingsj CID
J-18510-4
Molecular Formula
C14H14O2S2
Molecular Weight
278.390 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point41-45 °C(lit.)
Boiling Point395.1±27.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point192.8±23.7 °C
Exact Mass278.043518
PSA69.06000
LogP4.30
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.639

GHS Safety & Compliance

Corrosion / Environmental HazardSignal word: Danger
  • H318 — Causes serious eye damage
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Bis(4-methoxyphenyl) disulfide?

The CAS number of Bis(4-methoxyphenyl) disulfide is 5335-87-5.

What are the molecular formula and molecular weight of Bis(4-methoxyphenyl) disulfide?

Bis(4-methoxyphenyl) disulfide has molecular formula C14H14O2S2 and molecular weight 278.390 g/mol.

Is Bis(4-methoxyphenyl) disulfide hazardous?

Bis(4-methoxyphenyl) disulfide has GHS signal word Danger and hazard statements H318 — Causes serious eye damage; H410 — Very toxic to aquatic life with long lasting effects.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Bis(4-methoxyphenyl) disulfide (CAS 5335-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18510-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.