Trimellitic acid

Modify Date: 2026-06-30 08:56:46

Trimellitic acid Structure
Trimellitic acid structure
Common Name Trimellitic acid
CAS Number 528-44-9 Molecular Weight 210.140
Density 1.7±0.1 g/cm3 Boiling Point 505.5±45.0 °C at 760 mmHg
Molecular Formula C9H6O6 Melting Point 229-231 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 273.6±25.2 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name trimellitic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.7±0.1 g/cm3
Boiling Point 505.5±45.0 °C at 760 mmHg
Melting Point 229-231 °C (dec.)(lit.)
Molecular Formula C9H6O6
Molecular Weight 210.140
Flash Point 273.6±25.2 °C
Exact Mass 210.016434
PSA 111.90000
LogP 1.00
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.663
Storage condition 2-8°C
Water Solubility 2.1 G/100 ML (25 ºC)

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DC1980000
CHEMICAL NAME :
1,2,4-Benzenetricarboxylic acid
CAS REGISTRY NUMBER :
528-44-9
BEILSTEIN REFERENCE NO. :
2214815
LAST UPDATED :
199709
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C9-H6-O6
MOLECULAR WEIGHT :
210.15
WISWESSER LINE NOTATION :
QVR BVQ DVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(7),57,1974 *** REVIEWS *** TOXICOLOGY REVIEW BPCT** Progress Report from the Environmental Protection Agency to NIOSH on Benzenepolycarboxylates, 1974 Volume(issue)/page/year: -,183,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83703 No. of Facilities: 82 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 1278 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS DC1980000
HS Code 2917399090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2917399090
Summary 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Articles12

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Short-column anion-exchange chromatography for soil and peat humic substances profiling by step-wise gradient of high pH aqueous sodium ethylenediaminetetraacetate.

J. Chromatogr. A. 1408 , 72-7, (2015)

Novel anion-exchange liquid chromatographic method with step gradient of aqueous EDTA(4-) based mobile phase elution has been developed to profile available Slovak soil humic substances and alkaline e...

Benzenepolycarboxylic acids with potential anti-hemorrhagic properties and structure–activity relationships

Bioorg. Med. Chem. 19 , 7000-2, (2011)

Previously, we reported the structural requirements of the cinnamic acid relatives for inhibition of snake venom hemorrhagic action. In the present study, we examined the effect of benzenepolycarboxyl...

[Dosimetry using pyromellitic acid and trimellitic acid. Part 1].

Strahlenther. Onkol. 170(3) , 174-9, (1994)

The intention of the study was to demonstrate that a chemical dosimeter on the basis of fluorescing acids is able to measure ionizing radiation much more sensitively than the Fricke dosimeter.As detec...

 Trimellitic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Dicer-mediated maturation of pre-microRNA
Source: Center for Chemical Genomics, University of Michigan
Target: N/A
External Id: TargetID_659_CEMA
Name: p53 small molecule agonists, cell-based qHTS assay
Source: 824
External Id: P53344
Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS233
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS898
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00002470
benzene-1,2,4-tricarboxylic acid
EINECS 208-432-3
Trimellitic acid
1,2,4-Benzenetricarboxylic acid
Benzene-1,2,4-tricarboxylic acid,Trimellitic acid

 Trimellitic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of trimellitic acid?
A: LogP of trimellitic acid is 1.00.
Q: What is the molecular formula of trimellitic acid?
A: Molecular formula of trimellitic acid is C9H6O6.
Q: What English synonyms does trimellitic acid have?
A: English synonyms of trimellitic acid: MFCD00002470, benzene-1,2,4-tricarboxylic acid, EINECS 208-432-3, Trimellitic acid, 1,2,4-Benzenetricarboxylic acid, Benzene-1,2,4-tricarboxylic acid,Trimellitic acid.
Q: What is the polar surface area (PSA) of trimellitic acid?
A: Polar surface area (PSA) of trimellitic acid is 111.90000.
Q: What is the English name of trimellitic acid?
A: The English name of trimellitic acid is trimellitic acid.
Q: What is the molecular weight of trimellitic acid?
A: Molecular weight of trimellitic acid is 210.140.
Q: How is the water solubility of trimellitic acid?
A: Water solubility of trimellitic acid: 2.1 G/100 ML (25 ºC).
Q: What is the CAS number of trimellitic acid?
A: CAS number of trimellitic acid is 528-44-9.
Q: What are the storage conditions for trimellitic acid?
A: Storage conditions for trimellitic acid: 2-8°C.
Q: What is the boiling point of trimellitic acid?
A: Boiling point of trimellitic acid is 505.5±45.0 °C at 760 mmHg.

 Trimellitic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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