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Butane-1,4-diyl diethyl bis[phenyl(phosphonate)] is a complex organic compound with the chemical formula C20H24O4P2. It is a type of phosphonate ester, which is characterized by the presence of a phosphorus atom bonded to two carbonyl groups and two alkyl or aryl groups. This specific compound features a butane-1,4-diyl backbone, which connects two ethyl phenyl phosphonate groups. The molecule is symmetrical, with each ethyl phenyl phosphonate group attached to opposite ends of the butane chain. It is known for its potential applications in various chemical processes, such as flame retardants, stabilizers, and as intermediates in the synthesis of other phosphorus-containing compounds. Due to its phosphorus content, it may also have unique properties in areas like catalysis and materials science.

4151-23-9

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Basic information
1. Product Name: butane-1,4-diyl diethyl bis[phenyl(phosphonate)]
2. Synonyms:
3. CAS NO:4151-23-9
4. Molecular Formula: C₂₀H₂₈O₆P₂
5. Molecular Weight: 426.3802
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 4151-23-9.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 526.7°C at 760 mmHg
3. Flash Point: 285.3°C
4. Appearance: N/A
5. Density: 1.19g/cm³
6. Vapor Pressure: 1.18E-10mmHg at 25°C
7. Refractive Index: 1.523
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: butane-1,4-diyl diethyl bis[phenyl(phosphonate)](CAS DataBase Reference)
11. NIST Chemistry Reference: butane-1,4-diyl diethyl bis[phenyl(phosphonate)](4151-23-9)
12. EPA Substance Registry System: butane-1,4-diyl diethyl bis[phenyl(phosphonate)](4151-23-9)
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: 4151-23-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4151-23-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,5 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4151-23:
(6*4)+(5*1)+(4*5)+(3*1)+(2*2)+(1*3)=59
59 % 10 = 9
So 4151-23-9 is a valid CAS Registry Number.

4151-23-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name	[ethoxy-[4-[ethoxy(phenyl)phosphoryl]oxybutoxy]phosphoryl]benzene

1.2 Other means of identification

Product number	-
Other names	-

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).

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