CAS No.959-26-2,TEREPHTHALIC ACID BIS(2-HYDROXYETHYL) ESTER Suppliers

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Basic Information

Molecular Structure:
CAS No.:	959-26-2
Name:	TEREPHTHALIC ACID BIS(2-HYDROXYETHYL) ESTER
Article Data:	93

Formula:	C₁₂H₁₄O₆
Molecular Weight:	254.24
Synonyms:	1,4-Benzenedicarboxylicacid, bis(2-hydroxyethyl) ester (9CI);Terephthalic acid, bis(2-hydroxyethyl) ester(6CI,8CI);Ethylene glycol, terephthalate (2:1) (8CI);BHET(J);BHET-N;Bis(2-hydroxyethyl) terephthalate;Bis(ethylene glycol) terephthalate;Bis(hydroxyethyl) terephthalate;Bis(b-hydroxyethyl) terephthalate;Nisso BHET;Terephthalicacid diethylene glycol ester;Terephthalic acid diglycol ester;
EINECS:	213-497-6
Density:	1.315 g/cm³
Melting Point:	106-109 °C
Boiling Point:	446.5 °C at 760 mmHg
Flash Point:	172 °C
Solubility:	6.011g/L at 20℃
Appearance:	White to Off-White
Safety:	22-24/25
PSA:	93.06000
LogP:	-0.01520

Synthetic route

: 100-21-0
terephthalic acid

: 107-21-1
ethylene glycol

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

Conditions

Conditions	Yield
at 185℃; for 9h; Temperature; Time; Inert atmosphere;	97.5%

: 120-61-6
1,4-benzenedicarboxylic acid dimethyl ester

: 107-21-1
ethylene glycol

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

Conditions

Conditions	Yield
With C30H42N2; potassium tert-butylate In tetrahydrofuran at 20℃; for 12h; Molecular sieve;	93%
With potassium tert-butylate; (1,3-biphenyl)imidazolinium chloride In tetrahydrofuran for 0.5h;	83%
With 1,3-di(2,4,6-trimethylphenyl)-2-(pentafluorophenyl)-2,4,5-trihydroimidazole In tetrahydrofuran at 65℃; for 3h;	75%

: 107-21-1
ethylene glycol

poly(ethylene terephthalate): poly(ethylene terephthalate)

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

Conditions

Conditions	Yield
With 1,5,7-triazabicyclo[5.5.0]dec-5-ene mesylate at 180℃; for 2h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Sealed tube;	88%
With calcium oxide at 192℃; for 4h; Catalytic behavior; Mechanism; Reagent/catalyst; Time;	76%
at 150℃; under 760.051 Torr; for 4h; Ionic liquid;

: C10H8O4Pol2

: 107-21-1
ethylene glycol

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

Conditions

Conditions	Yield
With (Mg-Zn)-Al layered double hydroxide at 190℃; for 3h; Temperature;	75%

: 75-21-8
oxirane

: 100-21-0
terephthalic acid

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

Conditions

Conditions	Yield
With potassium hydroxide
With sodium hydroxide
With potassium hydroxide

: 1009-61-6
1,4-Diacetylbenzene

: 107-21-1
ethylene glycol

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

Conditions

Conditions	Yield
With sodium hypochlorite

: 120-61-6
1,4-benzenedicarboxylic acid dimethyl ester

: 107-21-1
ethylene glycol

A: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

B: 2144-69-6
bis(2-hydroxy ethyl terephthaloyl) ethylene

Conditions

Conditions	Yield
With zinc diacetate; chloroacetic acid at 70℃; for 24h;
With zinc diacetate; chloroacetic acid at 70℃; for 24h;

...Expand

: 107-07-3
2-chloro-ethanol

disodium-salt of/the/ terephthalic acid: disodium-salt of/the/ terephthalic acid

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

poly(ethylene terephthalate): poly(ethylene terephthalate)

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

Conditions

Conditions	Yield
With potassium tert-butylate; 4,5-Dihydro-1,3-diphenyl-1H-imidazoliumchlorid; ethylene glycol In tetrahydrofuran for 2h;

polyethylene terephthalate resin: polyethylene terephthalate resin

: 959-26-2
Bis(2-Hydroxyethyl)terephthalat

Conditions

Conditions	Yield
With sodium hydroxide; ethylene glycol at 215℃; under 975.098 Torr; for 1.83333h;

Raw Materials

1009-61-6

120-61-6

107-21-1

75-21-8

108-10-1

107-07-3

100-21-0

Downstream Products

120-61-6

1137-99-1

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Specification

The 1,4-Benzenedicarboxylicacid, 1,4-bis(2-hydroxyethyl) ester, with the CAS registry number 959-26-2, is also known as Bis(ethyleneglycol)terephthalate. Its EINECS number is 213-497-6. It belongs to the product categories of Classes of Alcohols; Monomers; Polymer Science. This chemical's molecular formula is C₁₂H₁₄O₆ and molecular weight is 254.24. What's more, its systematic name is Bis(2-hydroxyethyl) benzene-1,4-dicarboxylate. Besides, when using it, you should not breathe dust and avoid contact with skin and eyes.

Physical properties of 1,4-Benzenedicarboxylicacid, 1,4-bis(2-hydroxyethyl) ester are: (1)ACD/LogP: 0.32; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.32; (4)ACD/LogD (pH 7.4): 0.32; (5)ACD/BCF (pH 5.5): 1.03; (6)ACD/BCF (pH 7.4): 1.03; (7)ACD/KOC (pH 5.5): 35.61; (8)ACD/KOC (pH 7.4): 35.61; (9)#H bond acceptors: 6; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 10; (12)Polar Surface Area: 71.06 Å²; (13)Index of Refraction: 1.556; (14)Molar Refractivity: 62.13 cm³; (15)Molar Volume: 193.2 cm³; (16)Polarizability: 24.63×10^-24cm³; (17)Surface Tension: 56.5 dyne/cm; (18)Density: 1.315 g/cm³; (19)Flash Point: 172 °C; (20)Enthalpy of Vaporization: 74.26 kJ/mol; (21)Boiling Point: 446.5 °C at 760 mmHg; (22)Vapour Pressure: 9.35E-09 mmHg at 25°C.

Uses of 1,4-Benzenedicarboxylicacid, 1,4-bis(2-hydroxyethyl) ester: it can be used to produce terephthalic acid bis-(2-mercaptoacetoxy-ethyl) ester by heating. It will need reagent p-MeC₆H₄SO₃H and solvents benzene, tetrahydrofuran with the reaction time of 24 hours. The yield is about 100%.

1,4-Benzenedicarboxylicacid, 1,4-bis(2-hydroxyethyl) ester can be used to produce terephthalic acid bis-(2-mercaptoacetoxy-ethyl) ester by heating

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: O=C(OCCO)c1ccc(C(=O)OCCO)cc1
(2)InChI: InChI=1S/C12H14O6/c13-5-7-17-11(15)9-1-2-10(4-3-9)12(16)18-8-6-14/h1-4,13-14H,5-8H2
(3)InChIKey: QPKOBORKPHRBPS-UHFFFAOYSA-N