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Trimethylolpropane

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Identification
Molecular formula
C6H14O3
CAS number
77-99-6
IUPAC name
2,2-bis(hydroxymethyl)propane-1,3-diol
State
State

At room temperature, trimethylolpropane is typically found as a solid. It is stable under normal conditions but should be handled with standard precautionary measures associated with chemicals in powdered form.

Melting point (Celsius)
58.00
Melting point (Kelvin)
331.15
Boiling point (Celsius)
295.40
Boiling point (Kelvin)
568.55
General information
Molecular weight
134.17g/mol
Molar mass
134.1740g/mol
Density
1.1760g/cm3
Appearence

Trimethylolpropane is a white, crystalline solid with a wax-like appearance. In powdered form, it can appear to have a slight sheen and is often devoid of any significant color. It is odorless and is usually presented in a granular form for industrial applications.

Comment on solubility

Solubility of 2,2-bis(hydroxymethyl)propane-1,3-diol

2,2-bis(hydroxymethyl)propane-1,3-diol, commonly known as Trimethylolpropane, exhibits notable solubility characteristics that are essential for its application in various fields. Here are some key points regarding its solubility:

  • Solubility in Water: This compound is highly soluble in water due to its three hydroxyl groups. These groups can form strong hydrogen bonds with water molecules, enhancing solubility.
  • Solvent Compatibility: 2,2-bis(hydroxymethyl)propane-1,3-diol is also soluble in a variety of organic solvents, which include:
    • Ethanol
    • Acetone
    • Dichloromethane
  • Temperature Dependency: Solubility may vary with temperature; generally, as temperature increases, solubility tends to increase, allowing for more versatile applications.
  • Effects of Molecular Structure: The presence of multiple –OH (hydroxyl) groups significantly contributes to its polar nature, promoting solubility in polar solvents, while limiting its solubility in non-polar environments.

As noted, the unique structure of 2,2-bis(hydroxymethyl)propane-1,3-diol plays a crucial role in its solubility profile, making it a valuable component in formulations where solubility is a key factor.

Interesting facts

Interesting Facts About 2,2-bis(hydroxymethyl)propane-1,3-diol

2,2-bis(hydroxymethyl)propane-1,3-diol, commonly known as Trimethylolpropane, is a fascinating compound that plays a crucial role in various chemical applications. Here are some intriguing details about this versatile molecule:

  • Versatile Intermediate: Trimethylolpropane is widely used as an intermediate in the production of polyurethanes and unsaturated polyesters. It acts as a cross-linker, enhancing the durability and structural integrity of the materials.
  • Hydroxyl Groups: The presence of multiple hydroxyl groups in its structure allows for high reactivity and makes it an excellent candidate for applications in coatings, adhesives, and sealants.
  • Environmentally Friendly: Being a biobased compound, Trimethylolpropane can be produced from renewable resources, contributing to a more sustainable and eco-friendly chemical industry.
  • Cosmetic Applications: Beyond industrial uses, it's also utilized in cosmetics and personal care products due to its ability to retain moisture, making it ideal for skin care formulations.
  • Polyol Family: As a member of the polyol class of compounds, it offers unique properties that enable the synthesis of flexible foams and elastomers, which are invaluable in the furniture and automotive industries.

This compound showcases the remarkable versatility of organic molecules and their vital contributions to modern technology and consumer products. Its unique structure and properties continue to inspire further research and development in various fields.

Synonyms
PENTAERYTHRITOL
115-77-5
2,2-bis(hydroxymethyl)propane-1,3-diol
Pentek
Tetramethylolmethane
Penetek
Metab-Auxil
Pentaerythrite
Auxinutril
Maxinutril
Monopentaerythritol
Monopentek
Hercules P6
Methane tetramethylol
Tetrakis(hydroxymethyl)methane
1,3-Propanediol, 2,2-bis(hydroxymethyl)-
pentaerithrityl
2,2-Bis(hydroxymethyl)-1,3-propanediol
Tetrahydroxymethylmethane
tetra(hydroxymethyl)methane
Auxitrans
PE 200
1,1,1-Tris(hydroxymethyl)ethanol
Charmor PM 15
NSC 8100
THME
Auxenutril
Pentaertyhritol
CCRIS 2306
HSDB 872
Pentaerythritol-13C
Hercules Mono-PE
EINECS 204-104-9
Auxitrans (TN)
UNII-SU420W1S6N
MFCD00004692
mono pentaerythritol
BRN 1679274
DTXSID2026943
AI3-19571
NSC-8100
334974-06-0
PENTAERYTHRITOL [MI]
PENTAERYTHRITOL [HSDB]
DTXCID806943
SU420W1S6N
PENTAERYTHRITOL [MART.]
PENTAERYTHRITOL [WHO-DD]
CHEBI:134760
EC 204-104-9
Methane, tetrakis(hydroxymethyl)-,
4-01-00-02812 (Beilstein Handbook Reference)
PENTAERYTHRITOL (MART.)
Pentaerythrital
1632063-92-3
CAS-115-77-5
Tetrahydroxymethylolmethane
Pentaerithritol
Pentaerythrit
Hydrafuca
MetabAuxil
3SY
Pentaerythritol, CP
tetramethylol methane
Tetrahydroxymethylmetane
MONO PE
Pentaerythrit (German)
Pentaerythritol, 98%
Pentaerythritol, 99%
Pentaerythritol, sodium salt
SCHEMBL15049
WLN: Q1X1Q1Q1Q
C(CH2OH)4
PENTAERYTHRITOL [INCI]
1, 2,2-bis(hydroxymethyl)-
Pentaerythritol (ACGIH:OSHA)
CHEMBL3186112
1,2-Diacylglycerol-LD-PE-pool
NSC8100
Pentaerythritol, calcium, zinc salt
1,1,1-Tris(hydroxymethyl) ethanol
Tox21_201921
Tox21_303573
2,2Bis(hydroxymethyl)1,3propanediol
STL483077
AKOS009166690
DB13526
FP30893
1,3 Propandiolo 2,2-bis(idossimetil)
1,3Propanediol, 2,2bis(hydroxymethyl)
2,2-bis-hydroxymethyl-propane-1,3-diol
NCGC00249136-01
NCGC00257496-01
NCGC00259470-01
2,2,-Bis(hidroximetil)-1,3-propanodiol
BP-13392
2,2-bis(hydroxymethyl)-propane-1,3-diol
NS00005658
P0039
EN300-29828
D08331
1,3 Propandiolo 2,2-bis(idossimetil) (Italian)
A803483
Q421828
2,2,-Bis(hidroximetil)-1,3-propanodiol (Spanish)
F0001-0283
Z295122660
204-104-9
618-127-0
859-492-8
88201-29-0