Trimethylolpropane

Synonyms

1,1,1-Tri(hydroxymethyl)propane; 1,1,1-Trimethylolpropane; 1,1,1-Tris(hydroxymethyl)propane; 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-; 2,2-Bis(hydroxymethyl)-1-butanol; 2-Ethyl-2-(hydroxymethyl)propanediol; Ethriol; Ethyltrimethylolmethane; Etriol; Ettriol; Methanol, (propanetriyl)tris-; Propane, 1,1,1-tris(hydroxymethyl)-; TMP; TMP (VAN); TMP (alcohol); Tri(hydroxymethyl)propane; Tris(hydroxymethyl)propane; Propylidynetrimethanol; Propanediol, 2-ethyl-2-(hydroxymethyl)-, 1,3-; [ChemIDplus]

Category

Alcohols and Polyols, Other

Description

Colorless to white hygroscopic solid; [ICSC] White crystalline chunks; [MSDSonline]

Sources/Uses

Used to make varnishes, alkyd resins, polyesters, UV cross linking agents, and esters; Also used in synthetic drying oils, urethane foams and coatings, silicone lube oils, lactone plasticizers, textile finishes, surfactants, epoxidation products, and as a cross-linking agent for spandex fibers; [HSDB] Used to make resins in closed systems; [OECD SIDS: Trimethylolpropane]

Comments

Causes somnolence and respiratory depression in lethal-dose feeding studies of rats and mice; [RTECS] An eye and respiratory tract irritant; [ICSC] May cause irritation; [MSDSonline]

Biomedical References

4.49E-05 mm Hg

LC50 (rat) > 850 mg/m3/4h

Acute solvent syndrome

Diseases

Occupational diseases associated with exposure to this agent:

• Encephalopathy, chronic solvent
• Solvents, acute toxic effect

Processes

Industrial Processes with risk of exposure:

• Painting (Solvents)
• Textiles (Fiber & Fabric Manufacturing)
• Textiles (Printing, Dyeing, or Finishing)