Hydroquinone bis(2-hydroxyethyl)ether

Product Name: Hydroquinone bis(2-hydroxyethyl)ether
CAS No.: 104-38-1
Chemical Name: Hydroquinone bis(2-hydroxyethyl)ether
Synonyms: HQEE;HYDROQUINONE BIS(2-HYDROXYETHYL) ETHER;1,4-BIS(2-HYDROXYETHOXY)BENZENE;HQER;JADEWIN HQEE;HORSETAILP.E;JADEADD HQEE;chain extender;Vernatzer 30/10;CROSS LINKING AGENT 30/10
CBNumber: CB2708881
Molecular Formula: C10H14O4
Formula Weight: 198.22
MOL File: 104-38-1.mol

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Hydroquinone bis(2-hydroxyethyl)ether Property

Melting point:: 100-102 °C(lit.)
Boiling point:: 185-200 °C (0.3 mmHg)
Density: 1.0143 (rough estimate)
vapor pressure: 0.45Pa at 45℃
refractive index: 1.4720 (estimate)
storage temp.: Inert atmosphere,Room Temperature
pka: 13.99±0.10(Predicted)
form: Crystalline Powder or Flakes
color: White to off-white
Odor: odorless
Water Solubility: practically insoluble
Sensitive: Hygroscopic
InChIKey: WTPYFJNYAMXZJG-UHFFFAOYSA-N
LogP: 0.41 at 30℃
CAS DataBase Reference: 104-38-1(CAS DataBase Reference)
EPA Substance Registry System: Ethanol, 2,2'-[1,4-phenylenebis(oxy)]bis- (104-38-1)

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Safety

Safety Statements: 24/25
WGK Germany: 1
Autoignition Temperature: 874 °F
TSCA: Yes
HS Code: 29094990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 237914
Product name: Hydroquinone bis(2-hydroxyethyl) ether
Purity: 98%
Packaging: 100g
Price: $41.3
Updated: 2023/01/07

Sigma-Aldrich

Product number: 237914
Product name: Hydroquinone bis(2-hydroxyethyl) ether
Purity: 98%
Packaging: 1kg
Price: $168
Updated: 2023/01/07

TCI Chemical

Product number: D1065
Product name: 1,4-Bis(2-hydroxyethoxy)benzene
Purity: >95.0%(GC)
Packaging: 25g
Price: $19
Updated: 2024/03/01

TCI Chemical

Product number: D1065
Product name: 1,4-Bis(2-hydroxyethoxy)benzene
Purity: >95.0%(GC)
Packaging: 500g
Price: $75
Updated: 2024/03/01

Alfa Aesar

Product number: B24037
Product name: Hydroquinone bis(2-hydroxyethyl) ether, 95%
Packaging: 100g
Price: $29.65
Updated: 2024/03/01

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Hydroquinone bis(2-hydroxyethyl)ether Chemical Properties,Usage,Production

Description

Hydroquinone bis(2-hydroxyethyl) ether (HQEE) is a kind of polyurethane chain extender synthesized by hydroquinone (HQ) and ethylene oxide (EO). With different molar ratios of hydroquinone bis(2-hydroxyethyl)ether (HQEE)/1,4-butanediol 9/91, 18/82 and 27/73, a series of thermoplastic poly(butylene-co-hydroquinone bis(2-hydroxyethyl)ether terephthalates) (PBHT) were synthesized via melt polycondensation. The incorporation of the HQEE group significantly improved the thermal properties of the polymers. However, HQEE did not change the crystal structure of PBT. The Tm values of the copolymers decreased (from 208?°C to 174?°C) with increasing content of HQEE segments, on the contrary, Tg values increased (from 37?°C to 43?°C)[1-2].

Chemical Properties

white to off-white crystalline powder or flakes

Uses

Preparation of polyester, polyolefins, polyurethanes, and hard waxy resins, organic synthesis.

Uses

Hydroquinone bis(2-hydroxyethyl) ether is used to produce 1,4-bis-(2-bromo-ethoxy)-benzene.

Synthesis Reference(s)

Tetrahedron Letters, 29, p. 163, 1988 DOI: 10.1016/S0040-4039(00)80042-8

Flammability and Explosibility

Non flammable

References

[1] Mei-Fei Wang. “Separation and Identification of Relative Substances in Polyurethane Chain Extender Hydroquinone Bis(2-hydroxyethyl) Ether by High Performance Liquid Chromatography with Photodiode Array Detection and Electrospray Ionization Mass Spectrometry.” Industrial Engineering Chemistry Research 48 5 (2009): 2487–2492.
[2] Long Gu. “Synthesis and characterization of poly(butylene terephthalates) modified by hydroquinone bis(2-hydroxyethyl)ether.” Journal of Macromolecular Science, Part A 18 1 (2019): 871–876.

Hydroquinone bis(2-hydroxyethyl)ether Preparation Products And Raw materials

Raw materials

Preparation Products

2-(8-BROMO-2,3,6,7-TETRAHYDRO-BENZO[1,2-B:4,5-B']DIFURAN-4-YL)-1-METHYL-ETHYLAMINE

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Hydroquinone bis(2-hydroxyethyl)ether Suppliers

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View Lastest Price from Hydroquinone bis(2-hydroxyethyl)ether manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: Hydroquinone bis(2-hydroxyethyl)ether 104-38-1
Price: US $10.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20ton
Release date: 2024-05-06

Hebei Weibang Biotechnology Co., Ltd

Product: Hydroquinone bis(2-hydroxyethyl)ether 104-38-1
Price: US $30.00-10.00/KG
Min. Order: 50KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-25

Hebei Yanxi Chemical Co., Ltd.

Product: Hydroquinone bis(2-hydroxyethyl)ether 104-38-1
Price: US $0.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 20tons
Release date: 2023-10-09

104-38-1, Hydroquinone bis(2-hydroxyethyl)etherRelated Search:

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HORSETAILP.E

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HQER

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Hydroquinone diethylol ether

Hydroquinone Dihydroxyethyl ether (Aromatic diol chain extender hqee) - Solid

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