Undecacyclo[65.3.1.14,8.111,15.118,22.125,29.132,36.139,43.146,50.153,57.160,64]octaconta-1(71),4,6,8(80),11,13,15(79),18,20,22(78),25,27,29(77),32,34,36(76),39,41,43(75),46,48,50(74),53,55,57(73),60,62,64(72),67,69-triacontaene-Shandong Huashang Chemical Co., Ltd.

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Undecacyclo[65.3.1.14,8.111,15.118,22.125,29.132,36.139,43.146,50.153,57.160,64]octaconta-1(71),4,6,8(80),11,13,15(79),18,20,22(78),25,27,29(77),32,34,36(76),39,41,43(75),46,48,50(74),53,55,57(73),60,62,64(72),67,69-triacontaene

Brand：HS

Model：25kg/drum

Purity：99%

Cas：18725-72-9

Createtime： 2026-04-14
Updatetime： 2026-04-15

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Product Details

useage	Industrial use
deliveryInfo
appearance	powder
Molecular Weight	1041.52 g/mol
aliasen
supplyCapacity	50000MT/Month
harbor	Qingdao,China
minorder	1KG
Appearance	White to pale yellow crystalline powder

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

Basic Information

IUPAC Name: Undecacyclo[65.3.1.1?,?.111,1?.11?,22.12?,2?.132,3?.13?,?3.1??,??.1?3,??.1??,??]octaconta-1(71),4,6,8(80),11,13,15(79),18,20,22(78),25,27,29(77),32,34,36(76),39,41,43(75),46,48,50(74),53,55,57(73),60,62,64(72),67,69-triacontaene

CAS Number: 18725-72-9

Alias: Deca-m-xylylene, [2.2.2.2.2.2.2.2.2.2]Metacyclophane

Molecular Formula: C??H??

Molecular Weight: 1041.52 g/mol

Structural Information

Structure Type: Undecacyclic metacyclophane, macrocyclic aromatic compound formed by cyclization of ten m-xylene units.
Structural Features:
- Highly symmetric cage-like macrocyclic skeleton
- Contains 30 conjugated double bonds
- Rigid aromatic framework; cavity diameter approx. 1.2 nm

Physical & Chemical Properties

Appearance: White to pale yellow crystalline powder
Melting Point: > 300 °C (decomposition)
Boiling Point: Not determined (decompose at high temperature)
Estimated Density: ~1.1 g/cm3
Solubility:
- Organic solvents: Soluble in chloroform, dichloromethane, toluene
- Water: Insoluble
Stability: Stable at room temperature; store away from light and sealed

Synthesis & Applications

Synthesis Method

Prepared by Friedel-Crafts alkylation cyclization of m-xylene; synthesized via cyclization of 1,3-bis(bromomethyl)benzene under high dilution conditions.

Main Applications

Supramolecular chemistry: Molecular recognition, host-guest chemistry research
Material science: Organic semiconductor and porous material precursor
Research reagent: Standard substance for macrocyclic aromatic structure study

Safety & Storage

Hazard Classification: Non-hazardous chemical
Toxicity: No acute toxicity data available, low biological toxicity
Storage Condition: Sealed, dry and dark place at room temperature
Transportation: Conventional chemical transportation, no special restrictions

Spectral Data

1H NMR (CDCl?): δ 7.0–7.3 (m, aromatic H), 3.8–4.0 (m, methylene H)
UV-Vis: λmax 260 nm, 290 nm (aromatic conjugated system)
MALDI-TOF MS: m/z 1041.6 [M+H]?

Item	Specification
CAS Number	18725-72-9
IUPAC Name	Undecacyclo[65.3.1.1?,?.111,1?.11?,22.12?,2?.132,3?.13?,?3.1??,??.1?3,??.1??,??]octaconta-1(71),4,6,8(80),11,13,15(79),18,20,22(78),25,27,29(77),32,34,36(76),39,41,43(75),46,48,50(74),53,55,57(73),60,62,64(72),67,69-triacontaene
Alias	Deca-m-xylylene, [2.2.2.2.2.2.2.2.2.2]Metacyclophane
Molecular Formula	C??H??
Molecular Weight	1041.52
Appearance	White to pale yellow crystalline powder
Melting Point	＞300℃ (Decomposition)
Solubility	Soluble in chloroform, dichloromethane, toluene; Insoluble in water
Storage Condition	Sealed, dry, dark place at room temperature
Application	Supramolecular chemistry, material science, research reagent