17455-21-9

• 

• Basic information

  1. Product Name: Dicyclohexano-21-crown-7
  2. Synonyms: Dicyclohexano-21-crown-7
  3. CAS NO:17455-21-9
  4. Molecular Formula: C22H40O7
  5. Molecular Weight: 416.551
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 17455-21-9.mol
  9. Article Data: 1

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: 591.1°Cat760mmHg
  3. Flash Point: 226.9°C
  4. Appearance: /
  5. Density: 1.008g/cm³
  6. Vapor Pressure: 2.52E-13mmHg at 25°C
  7. Refractive Index: 1.455
  8. Storage Temp.: N/A
  9. Solubility: N/A
  10. CAS DataBase Reference: Dicyclohexano-21-crown-7(CAS DataBase Reference)
  11. NIST Chemistry Reference: Dicyclohexano-21-crown-7(17455-21-9)
  12. EPA Substance Registry System: Dicyclohexano-21-crown-7(17455-21-9)

• Safety Data

  1. Hazard Codes: N/A
  2. Statements: N/A
  3. Safety Statements: N/A
  4. WGK Germany:
  5. RTECS:
  6. HazardClass: N/A
  7. PackingGroup: N/A
  8. Hazardous Substances Data: 17455-21-9(Hazardous Substances Data)

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• SDS
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• Downstream Products
• Article

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• Dibenzo[b,k][1,4,7,10,13,16,19]heptaoxacycloheneicosin,docosahydro-

  Cas No: 17455-21-9

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17455-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17455-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,4,5 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17455-21:
(7*1)+(6*7)+(5*4)+(4*5)+(3*5)+(2*2)+(1*1)=109
109 % 10 = 9
So 17455-21-9 is a valid CAS Registry Number.

InChI:InChI=1/C26H48O7/c1-3-7-24(8-4-1)26(25-9-5-2-6-10-25)23-32-20-19-30-16-15-28-12-11-27-13-14-29-17-18-31-21-22-33-26/h24-25H,1-23H2

17455-21-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	2,2-dicyclohexyl-1,4,7,10,13,16,19-heptaoxacyclohenicosane

1.2 Other means of identification

Product number	-
Other names	Dicyclohexyl-21-Krone-7

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:17455-21-9 SDS

17455-21-9Upstream product

• 14098-41-0 dibenzo-21-crown-7 

17455-21-9Downstream Products

17455-21-9Relevant articles and documents

Extraction selectivities of crown ethers for alkali metal cations: Differences between single-species and competitive solvent extractions

Talanova, Galina G.,Elkarim, Nazar S. A.,Hanes Jr., Robert E.,Hwang, Hong-Sik,Rogers, Robin D.,Bartsch, Richard A.

, p. 672 - 677 (1999)

Separation factor values for pairs of alkali metal cations determined in competitive solvent extractions of alkali metal picrates from aqueous solutions into chloroform by a variety of benzo- and cyclohexano-group-containing crown ethers vary significantly from extrapolations based upon the results of single-species extraction experiments. For almost all of the crown ether-alkali metal cation combinations examined, the separation factor values are greater for competitive solvent extraction. In view of the unexpected results for sodium picrate extraction by dibenzo-24-crown-8, the solid-state structure of the isolated complex was determined.

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