Specialty Additives Available to Source

Trimellitic Anhydride

TMA
CAS 552-30-7 · MF C9H4O5 · MW 192.12 g/mol

Trimellitic Anhydride (TMA) is a specialty additive chemical with the molecular formula C9H4O5 that functions as a crosslinking and curing agent in polymer systems. This organic anhydride compound is primarily utilized in the coatings & construction and plastics & polymers industries for enhancing material properties through chemical crosslinking reactions.

SDS / TDS Download
CAS Number
552-30-7
Molecular Formula
C9H4O5
Molecular Weight
192.12 g/mol
Material Family
Specialty Additives
Functional Roles
Physical Properties
melting_point
329 to 336 u00b0F (NTP, 1992)
boiling_point
464 to 473 u00b0F at 14 mmHg (NTP, 1992)
density
1.55 at 68 u00b0F (NTP, 1992) - Denser than water; will sink
solubility
less than 1 mg/mL at 68 u00b0F (NTP, 1992)
vapor_pressure
4e-06 mmHg at 77 u00b0F (NTP, 1992)
flash_point
440.6 u00b0F (NTP, 1992)
GHS / SDS Safety Danger
Irritant Health Hazard Corrosive
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
  • H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
  • H317 (99.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H316: Causes mild skin irritation [Warning Skin corrosion/irritation]
  • H334 (> 99.9%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
  • H303: May be harmful if swallowed [Warning Acute toxicity, oral]
  • H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H335 (95.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • H318 (> 99.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
Chemical Identity
CAS Number552-30-7
IUPAC Name1,3-dioxo-2-benzofuran-5-carboxylic acid
InChI KeySRPWOOOHEPICQU-UHFFFAOYSA-N
PubChem CID 11089
INCI NameTRIMELLITIC ANHYDRIDE
Synonyms & Trade Names
TRIMELLITIC ANHYDRIDE 1,2,4-Benzenetricarboxylic anhydride Anhydrotrimellitic acid Trimellitic acid anhydride 4-Carboxyphthalic anhydride TMAN Trimellitic acid 1,2-anhydride Trimellic acid anhydride 1,3-Dioxo-5-phthalancarboxylic acid Trimellic acid 1,2-anhydride 1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid Epon 9150 Trimellitic acid cyclic 1,2-anhydride 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-
Full Description

Trimellitic Anhydride (TMA) is a specialty additive chemical with the molecular formula C9H4O5 that functions as a crosslinking and curing agent in polymer systems. This organic anhydride compound is primarily utilized in the coatings & construction and plastics & polymers industries for enhancing material properties through chemical crosslinking reactions.