trans-1,2-Bis(phenylsulfonyl)ethylene

Also known as: Benzene,1,1'-[(1E)-1,2-ethenediylbis(sulfonyl)]bis-, (E)-1,2-Bis(benzenesulfonyl)ethylene, (E)-1,2-Bis(phenylsulfonyl)ethene, (E)-1,2-Bis(phenylsulfonyl)ethylene, trans-1,2-Di(phenylsulfonyl)ethylene, (E)-2-(Benzenesulfonyl)ethenyl]sulfonylbenzene, NSC 202471, MFCD00066528, RARECHEM AQ A1 0068

trans-1,2-Bis(phenylsulfonyl)ethylene (CAS 963-16-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H12O4S2 and a molecular weight of 308.37300 g/mol. Key properties include a melting point of 221-223ºC(lit.), a boiling point of 545ºC at 760 mmHg, a density of 1.355g/cm3 and a flash point of 363.3ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 963-16-6
Jingsj CID: J-31581-1
Molecular Formula: C₁₄H₁₂O₄S₂
Molecular Weight: 308.37300 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	221-223ºC(lit.)
Boiling Point	545ºC at 760 mmHg
Density	1.355g/cm3
Flash Point	363.3ºC
Exact Mass	308.01800
PSA	85.04000
LogP	4.56700
Refractive Index	1.604

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2904100000
Summary	2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of trans-1,2-Bis(phenylsulfonyl)ethylene?

The CAS number of trans-1,2-Bis(phenylsulfonyl)ethylene is 963-16-6.

What are the molecular formula and molecular weight of trans-1,2-Bis(phenylsulfonyl)ethylene?

trans-1,2-Bis(phenylsulfonyl)ethylene has molecular formula C14H12O4S2 and molecular weight 308.37300 g/mol.

Is trans-1,2-Bis(phenylsulfonyl)ethylene hazardous?

trans-1,2-Bis(phenylsulfonyl)ethylene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of trans-1,2-Bis(phenylsulfonyl)ethylene?

For trans-1,2-Bis(phenylsulfonyl)ethylene, Upstream Products: cis-1,2-Bis(phenylsulfonyl)ethylene, Sodium benzenesulfinate, 1,1-bis(phenylsulfonyl)ethylene; Downstream Products: Methyl 5-phenyl-1H-pyrrole-2-carboxylate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "trans-1,2-Bis(phenylsulfonyl)ethylene (CAS 963-16-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31581-1 (accessed 2026-11-09).

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