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93370

Sigma-Aldrich

1,1,1-Tris(hydroxymethyl)propane

dist., ≥98.0% (GC)

Synonym(s):

2-Ethyl-2-hydroxymethyl-1,3-propanediol, Trimethylolpropane

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250 G
CN¥309.77
1 KG
CN¥496.74

About This Item

Linear Formula:
CH3CH2C(CH2OH)3
CAS Number:
Molecular Weight:
134.17
Beilstein:
1698309
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

CN¥309.77


Available to ship onOctober 14, 2025Details


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vapor density

4.8 (vs air)

vapor pressure

<1 mmHg ( 20 °C)

Assay

≥98.0% (GC)

form

(Powder or Crystals or Granules or Chunks)

autoignition temp.

1301 °F

quality

dist.

bp

159-161 °C/2 mmHg (lit.)

mp

56-58 °C (lit.)
56-61 °C

solubility

H2O: 0.1 g/mL, clear

functional group

hydroxyl

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1 of 1

This Item
148083T8780789878
assay

≥98.0% (GC)

assay

97%

assay

≥98%

assay

≥96.5% (GC)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

-

solubility

H2O: 0.1 g/mL, clear

solubility

-

solubility

-

solubility

-

form

(Powder or Crystals or Granules or Chunks)

form

(Powder or Crystals or Granules or Chunks)

form

-

form

powder

mp

56-58 °C (lit.), 56-61 °C

mp

56-58 °C (lit.)

mp

193-195 °C (lit.)

mp

56-58 °C (lit.)

bp

159-161 °C/2 mmHg (lit.)

bp

159-161 °C/2 mmHg (lit.)

bp

-

bp

159-161 °C/2 mmHg (lit.)

Application

1,1,1-Tris(hydroxymethyl)propane is used as a starting material in the synthesis of a variety of polyglycerols and polylactides.[1][2] It is also used as a tripodal ligand to construct manganese-based metal-organic complexes as single molecular magnets.[3][4]

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Repr. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

356.0 °F - Cleveland open cup

Flash Point(C)

180 °C - Cleveland open cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Telechelic and star-shaped poly (L-lactide) s by means of bismuth (III) acetate as initiator.
Kricheldorf HR, et al.
Biomacromolecules, 5(2), 492-496 (2004)
A family of manganese rods: Syntheses, structures, and magnetic properties.
Rajaraman G, et al.
Journal of the American Chemical Society, 126(47), 15445-15457 (2004)
Synthesis, structure, and magnetic properties of a [Mn22] wheel-like single-molecule magnet.
Murugesu M, et al.
Inorganic Chemistry, 43(14), 4203-4209 (2004)
Synthesis, characterization, and viscoelastic properties of high molecular weight hyperbranched polyglycerols.
Kainthan RK, et al.
Macromolecules, 39(22), 7708-7717 (2006)
Stephanie E A Gratton et al.
Journal of controlled release : official journal of the Controlled Release Society, 121(1-2), 10-18 (2007-07-24)
A novel method for the fabrication of polymeric particles on the order of tens of nanometers to several microns is described. This imprint lithographic technique called PRINT (Particle Replication In Non-wetting Templates), takes advantage of the unique properties of elastomeric

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