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CYCLOPENTADIENYLTHALLIUM

CAS No.
34822-90-7
Chemical Name:
CYCLOPENTADIENYLTHALLIUM
Synonyms
Thallocene;CYCLOPENTADIENYLTHALLIUM;Cyclopentadienylthanllium;Thallous cyclopentadienide;THALLIUM CYCLOPENTADIENIDE;2-Cyclopentadienyl thallium;Cyclopentadienylthallium,95%;Cyclopentadienylthallium,90%;Cyclopentadienylthallium 95%;Thallium(I) cyclopentadienide
CBNumber:
CB5293430
Molecular Formula:
C5Tl
Molecular Weight:
264.44
MDL Number:
MFCD00134141
MOL File:
34822-90-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 02:28:01
Product description Number Pack Size Price
Thallium(I) cyclopentadienide 97% 155349 10g $180
Cyclopentadienyl Thallium >95.0%(T) C0954 1g $178
Cyclopentadienyl Thallium >95.0%(T) C0954 5g $424
Cyclopentadienylthallium, 99% (99.9%-Tl) sublimed (99.9%-Tl) 81-0305 1g $77
Cyclopentadienylthallium, 99% (99.9%-Tl) sublimed (99.9%-Tl) 81-0305 5g $296

CYCLOPENTADIENYLTHALLIUM Properties

Melting point 300 °C(lit.)
storage temp. 2-8°C
form Powder
color Light yellow to Amber to Dark green
Sensitive Air Sensitive
Exposure limits ACGIH: TWA 0.02 mg/m3 (Skin)
NIOSH: IDLH 15 mg/m3; TWA 0.1 mg/m3
InChI 1S/C5H5.Tl/c1-2-4-5-3-1;/h1-5H;
InChIKey RKLJDPOVAWGBSD-UHFFFAOYSA-N
SMILES [Tl].[CH]1[CH][CH][CH][CH]1
EPA Substance Registry System Thallium, (.eta.5-2,4-cyclopentadien-1-yl)- (34822-90-7)
UNSPSC Code 12352300
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H300+H330-H373-H411
Precautionary statements  P273-P301+P310+P330-P304+P340+P310-P314
PPE dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Hazard Codes  T+,N
Risk Statements  26/28-33-51/53
Safety Statements  13-28-45-61
RIDADR  UN 1707 6.1/PG 2
WGK Germany  3
TSCA  TSCA listed
HS Code  2931.90.6000
HazardClass  6.1
PackingGroup  II
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications Acute Tox. 2 Inhalation
Acute Tox. 2 Oral
Aquatic Chronic 2
STOT RE 2
NFPA 704
0
4 0

CYCLOPENTADIENYLTHALLIUM price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 155349 Thallium(I) cyclopentadienide 97% 34822-90-7 10g $180 2026-04-30 Buy
TCI Chemical C0954 Cyclopentadienyl Thallium >95.0%(T) 34822-90-7 1g $178 2026-04-30 Buy
TCI Chemical C0954 Cyclopentadienyl Thallium >95.0%(T) 34822-90-7 5g $424 2026-04-30 Buy
Strem Chemicals 81-0305 Cyclopentadienylthallium, 99% (99.9%-Tl) sublimed (99.9%-Tl) 34822-90-7 1g $77 2026-04-30 Buy
Strem Chemicals 81-0305 Cyclopentadienylthallium, 99% (99.9%-Tl) sublimed (99.9%-Tl) 34822-90-7 5g $296 2026-04-30 Buy
Product number Packaging Price Buy
155349 10g $180 Buy
C0954 1g $178 Buy
C0954 5g $424 Buy
81-0305 1g $77 Buy
81-0305 5g $296 Buy

CYCLOPENTADIENYLTHALLIUM Chemical Properties,Uses,Production

Uses

Reagent in preparation of

  • η5-Cyclopentadienylpalladium(II) complexes as catalysts for vinyl addition polymerization and copolymerization reactions
  • Versatile carbon ligands via oxidative cyclization
  • Isomeric dinuclear dicyclopentadienyl Ti chloride complexes containing bridging cyclopentadienylsiloxo ligands with Me Li and Lewis acids
  • Bromide complexes of the triple-decker type
  • Naphthylazo cyclopalladates via regiospecific naphthyl carbon-hydrogen bond activation

Reactant fro:
  • Selective reduction of the U3+ metallocene amidinate

reaction suitability

core: thallium
reagent type: catalyst
reaction type: Olefin Metathesis

CYCLOPENTADIENYLTHALLIUM Preparation Products And Raw materials

Raw materials

Preparation Products

CYCLOPENTADIENYLTHALLIUM Suppliers

Global( 47)Suppliers
Supplier Tel Email Country ProdList Advantage
CONIER CHEM AND PHARMA LIMITED
sales@conier.com China 49906 58
Shaanxi Dideu Medichem Co. Ltd
+86-29-81139210 +86-17392587031 1059@dideu.com China 9984 58
Aladdin Scientific
tp@aladdinsci.com United States 52906 58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.
+8618950047208 ellena@amitychem.com China 43392 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80

CYCLOPENTADIENYLTHALLIUM Spectrum

THALLIUM CYCLOPENTADIENIDE 2,4-cyclopentadien-1-yl-thalliu 2,4-Cyclopentadien-1-ylthallium 2-Cyclopentadienyl thallium Thallium(I) cyclopentadienide Thallium, 2,4-cyclopentadien-1-yl- Thallium, pi-cyclopentadienyl- Thallous cyclopentadienide CYCLOPENTADIENYLTHALLIUM Thallocene Cyclopentadienylthallium,95% Cyclopentadienylthallium,99%(99.9%-Tl)sublimed Thallium, (.eta.5-2,4-cyclopentadien-1-yl)- CYCLOPENTADIENYLTHALLIUM SUBLIMED (2,4-Cyclopentadien-1-yl)thallium(I) 2,4-Cyclopentadien-1-ylthallium(I) Cyclopentadienylthallium,90% Cyclopentadienylthanllium Thallium(I) cyclopentadienide 97% Cyclopentadienylthallium 1g [34822-90-7] Thallium(I) cyclopentadienide/ 98+% Cyclopentadienylthallium 95% CyclopentadienylthalliuM (99.9%-Tl) subliMed (η5-Cyclopentadienyl)thallium Cyclopentadienyl Thallium > CYCLOPENTADIENYLTHALLIUM ISO 9001:2015 REACH Thallium(I) cyclopentadienide 97% 34822-90-7 C5H5Tl Catalysis and Inorganic Chemistry Classes of Metal Compounds Typical Metal Compounds Tl (Thallium) Compounds Thallium metallocene Catalysis and Inorganic Chemistry Chemical Synthesis Thallium Tl (Thallium) Compounds Classes of Metal Compounds Typical Metal Compounds