Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,4-Bis(diethylphosphonomethyl)biphenyl
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Purity: 98.0%
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17919-34-5

17919-34-5 structure

17919-34-5 structure

Name: 4,4'-Bis(diethoxyphosphono-methyl)-Biphenyl
Chemical Name: 1-(diethoxyphosphorylmethyl)-4-[4-(diethoxyphosphorylmethyl)phenyl]benzene
CAS Number: 17919-34-5
Molecular Formula: C₂₂H₃₂O₆P₂
Molecular Weight: 454.433
Catalog: Catalysts and additives Fluorescent whitening agent
Create Date: 2019-01-17 14:23:13
Modify Date: 2024-01-03 13:02:07

Name	1-(diethoxyphosphorylmethyl)-4-[4-(diethoxyphosphorylmethyl)phenyl]benzene
Synonyms	4,4'-Bis(diethoxyphosphono-methyl)-Biphenyl Tetraethyl [4,4'-biphenyldiylbis(methylene)]bis(phosphonate) Tetraethyl [biphenyl-4,4'-diylbis(methylene)]bis(phosphonate) Diethyl (4'-[(diethoxyphosphoryl)methyl][1,1'-biphenyl]-4-yl)methylphosphonate 4,4-Bis(diethylphosphonomethyl)biphenyl [4,4'-Biphenylylenebis(methylene)]bisphosphonic Acid Tetraethyl Ester Phosphonic acid, P,P'-[[1,1'-biphenyl]-4,4'-diylbis(methylene)]bis-, tetraethyl ester Phosphonic acid, [[1,1'-biphenyl]-4,4'-diylbis(methylene)]bis-, tetraethyl ester tetraethyl (biphenyl-4,4'-diyldimethanediyl)bis(phosphonate) 4,4'-Bis(diethylphosphonomethyl)biphenyl Tetraethyl [4,4'-Biphenylylenebis(methylene)]bisphosphonate MFCD01321144 Bisdiethylphosphonomethylbiphenyl

Density	1.2±0.1 g/cm3
Boiling Point	578.4±50.0 °C at 760 mmHg
Melting Point	108-110°C
Molecular Formula	C₂₂H₃₂O₆P₂
Molecular Weight	454.433
Flash Point	316.4±50.4 °C
Exact Mass	454.167419
PSA	90.68000
LogP	3.66
Vapour Pressure	0.0±1.5 mmHg at 25°C
Index of Refraction	1.515

Hazard Codes	Xi
Safety Phrases	S22-S24/25
WGK Germany	3
HS Code	2916399090

20248-86-6 structure

20248-86-6

122-52-1 structure

122-52-1

~91%

17919-34-5 structure

17919-34-5

Literature: Tetrahedron, , vol. 59, # 25 p. 4673 - 4685

1667-10-3 structure

1667-10-3

122-52-1 structure

122-52-1

~86%

17919-34-5 structure

17919-34-5

Literature: Asian Journal of Chemistry, , vol. 22, # 5 p. 3929 - 3935

1667-10-3 structure

1667-10-3

~89%

17919-34-5 structure

17919-34-5

Literature: JP2005/200358 A, ; Page/Page column 41 ;

613-33-2 structure

613-33-2

~%

17919-34-5 structure

17919-34-5

Literature: Tetrahedron, , vol. 59, # 25 p. 4673 - 4685

Precursor 4
20248-86-6 122-52-1 1667-10-3 613-33-2
DownStream 1
17919-31-2

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%