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5,5-Dimethoxy-1,2,3,4-tetrachlorocyclopentadiene_Molecular_structure_CAS_2207-27-4)
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5,5-Dimethoxy-1,2,3,4-tetrachlorocyclopentadiene

Catalog No. 38817 Name Sigma Aldrich
CAS Number 2207-27-4 Website http://www.sigmaaldrich.com
M. F. C7H6Cl4O2 Telephone 1-800-521-8956
M. W. 263.93334 Fax
Purity ≥95.0% (GC) Email
Storage Chembase ID: 146760

SYNONYMS

Title
5,5-二甲氧基-1,2,3,4-四氯环戊二烯
IUPAC name
1,2,3,4-tetrachloro-5,5-dimethoxycyclopenta-1,3-diene
IUPAC Traditional name
1,2,3,4-tetrachloro-5,5-dimethoxycyclopenta-1,3-diene

DATABASE IDS

PubChem SID 24864211
CAS Number 2207-27-4
EC Number 218-623-3
MDL Number MFCD00001353
Beilstein Number 477013

PROPERTIES

Empirical Formula (Hill Notation) C7H6Cl4O2
Grade purum
Purity ≥95.0% (GC)
Boiling Point 108-110 °C/11 mmHg(lit.)
Density 1.501 g/mL at 25 °C(lit.)
Flash Point 67 °C
Flash Point 152 °F
Melting Point 26-28 °C
MSDS Link Download
Safety Statements 22-24/25
Storage Temperature 2-8°C
German water hazard class 3

DETAILS

Description (English)
Caution
readily forms a subcooled melt
Other Notes
Highly reactive diene for Diels-Alder reactions.; Reagent for a three carbon annulation (formation of cyclopentanones from olefins)1
Description (简体中文)
Caution
易于形成过冷却熔体
Other Notes
用于 Diels-Alder 反应的高活性二烯;用于三碳环(由烯烃形成环戊酮)的试剂1

REFERENCES