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Home > Encyclopedia > 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol

2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol

2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol structure
  • CAS No:

    77-99-6

  • Formula:

    C6H14O3

  • Synonyms:

    1,1,1-tris(hydroxymethyl)propane;trimethylolpropane;2-ethyl-2-(hydroxymethyl)propane-1,3-diol;Trimethylol propane;2-Ethyl-2-(hydroxymethyl)-1,3-propanediol;Ethriol;Hexaglycerine;Ettriol;Etriol

  • China Export:

    From 2018.11 to 2019.11, total export volume of 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol from China was 38,951,893KG while total export value was $64,948,238. The biggest proportion of exporting volume in the last 12 months was 10.71% in 2019.03.

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Description

Trimethylolpropane is a Colorless, hygroscopic crystals. Soluble in water and alcohol. Combustible.The three primary hydroxyl groups undergo the normal OH group reactions.

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Basic Attributes

  • 77-99-6

  • C6H14O3

  • 134.174

  • 134.094

  • 60.69

  • -0.8

  • 201-074-9

  • ZJCCRDAZUWHFQH-UHFFFAOYSA-N

  • 3

  • 3

  • 4

Characteristics

  • Crystalline tablets

  • 1.176

  • 56-58 °C(lit.)

  • 159-161 °C2 mm Hg(lit.)

  • 172 °C

  • 1.484

  • Solubility in water at 20°C: miscible

  • Treasury ventilation low temperature drying

  • <1 mm Hg ( 20 °C)

  • 4.8 (vs air)

Safety Information

  • 2905410000

  • NONH for all modes of transport

  • 1

  • s22-S24/25

  • TY6470000

  • Separated from strong oxidants. Dry. Well closed.

  • P261, P264, P270, P271, P273, P280, P301+P310, P302+P352, P304+P340, P311, P312, P321, P322, P330, P361, P363, P391, P403+P233, P405, P501

  • H301

  • vol% in air: 2.01.8

  • LD50 orally in Rabbit: > 2500 mg/kg

Usage

Conditioning agent, manufacture of varnishes, alkylated resins, synthetic drying oils, urethane foams & coatings, silicone lube oils, lactone plasticizers, textile finishes, surfactants, epoxidation products.

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Production Methods

N-butyraldehyde and formaldehyde in alkaline conditions for aldol condensation reaction, the reaction solution by concentration and desalination, and then ion exchange resin decolorization, purification, and finally evaporate with a thin film evaporator, cooling, rolling, the finished product. Raw material consumption quota: n-butyraldehyde (≥ 95%) 950kg / t, formaldehyde (37%) 3400kg / t. Refining method: General distillation with vacuum distillation. As the production of sodium formate mixed with easy pyrolysis, the need to use ion exchange resin to remove, and in the distillation by adding ammonium salt, hydroquinone or α-naphthol as a stabilizer. For further refinement, available ether ether acetone (1 : 1) to recrystallize. The triadimine as the catalyst of the condensation disproportionation method is n-butyraldehyde and formaldehyde as raw materials to triethylamine as a catalyst for aldol condensation reaction to produce 2, 2 - dimethylol butyraldehyde, and then with excess formaldehyde And alkali reaction occurs in the formation of trimethoprim propane, trimethylol propane, amine salt decomposition recovery catalyst triethylamine, and then in the distillation column to be trimethylol propane. The reaction is as follows: Condensation Hydrogenation With n-butyraldehyde and formaldehyde as raw materials, trihydroxyethylaldehyde is synthesized by using triethylamine as the catalyst to form 2, 2-dimethylolbutylaldehyde, and then catalyzed hydrogenation to produce trimethylolpropane , And the reaction solution after hydrogenation was distilled under reduced pressure to give trimethylolpropane. Hydrogenation catalyst is generally divided into two categories: one is palladium carbon catalyst, the reaction conditions are mild, the general reaction temperature is 140 ℃, the reaction pressure is 0.98MPa, but the price is more expensive; the other is copper catalyst, carrier γ  aluminum oxide, the operating conditions for the reaction temperature of 130 ℃, pressure 3.0MPa.

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Downstream Products

China 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol Export Data

Data referenced from General Administration of Customs,P.R.China

2018.11-2019.11 China - America  2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol Export Data

From 2018.11 to 2019.11, total export volume of 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol from China to America was 694,855KG while total export value was $1,219,879. The biggest proportion of exporting volume in the last 12 months was 47.56% in 2018.11.

2018.11-2019.11 China 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol Export Data

From 2018.11 to 2019.11, total export volume of 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol from China was 38,951,893KG while total export value was $64,948,238. The biggest proportion of exporting volume in the last 12 months was 10.71% in 2019.03.

2018.11-2019.11 TOP10 Purchasing Countries' Export Data of Chinese 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol

From 2018.11 to 2019.11, China has exported 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol to 36 countries in total. Country ranks by import volume from high to low is Korea, Taiwan, Germany, Malaysia, Italy, India, Singapore, Vietnam, Thailand, Iran. The highest export volume was China to Korea, accounting for 14.15% of the total volume of China.

Check Export Data for More Purchasing Countries

Purchasing Country Export Volume(KG) Export Percentage Export Value($)

Korea

11,568,086

14.15%

19,154,112

Taiwan

6,853,240

8.38%

11,235,163

Germany

2,775,620

3.39%

4,860,962

Malaysia

2,525,450

3.09%

4,184,497

Italy

1,899,580

2.32%

3,028,061

India

1,868,697

2.29%

2,987,178

Singapore

1,650,420

2.02%

2,787,093

Vietnam

1,452,050

1.78%

2,394,961

Thailand

1,223,040

1.50%

2,016,162

Iran

748,150

0.91%

1,428,413

Mexico

730,000

0.89%

1,214,590

America

694,855

0.85%

1,219,879

Spain

600,000

0.73%

977,770

Japan

564,950

0.69%

983,550

Canada

557,000

0.68%

929,965

Indonesia

493,125

0.60%

836,895

Belgium

459,480

0.56%

793,104

Australia

435,000

0.53%

726,870

Brazil

400,000

0.49%

717,940

Netherlands

315,000

0.39%

501,458

Pakistan

256,000

0.31%

450,393

Turkey

215,000

0.26%

357,829

Egypt

122,100

0.15%

206,612

Poland

120,000

0.15%

198,364

United Arab Emirates

111,500

0.14%

202,841

South Africa

60,000

0.07%

110,005

Peru

58,000

0.07%

95,552

Slovenia

50,000

0.06%

91,816

Philippines

45,000

0.06%

93,060

Lebanon

30,000

0.04%

43,730

Price Analysis

  • 2020-03-13

    Reference price of 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol is 1660.301USD/MT, down 0.43% from 1667.409USD/MT on 2020-03-12.

  • 2020-03-12

    Reference price of 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol is 1667.409USD/MT, down 1.0% from 1684.204USD/MT on 2020-03-11.

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