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B4600

Sigma-Aldrich

1,2,4-Benzenetricarboxylic anhydride

97%

Synonym(s):

Trimellitic anhydride, Benzene-1,2,4-tricarboxylic anhydride

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About This Item

Empirical Formula (Hill Notation):
C9H4O5
CAS Number:
552-30-7
Molecular Weight:
192.13
Beilstein:
9394
EC Number:
209-008-0
MDL number:
MFCD00005925
UNSPSC Code:
12162002
PubChem Substance ID:
24891792
NACRES:
NA.23

vapor density

6.6 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)

Assay

97%

form

solid

expl. lim.

7 %

mp

163-166 °C (lit.)

SMILES string

OC(=O)c1ccc2C(=O)OC(=O)c2c1

InChI

1S/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11)

InChI key

SRPWOOOHEPICQU-UHFFFAOYSA-N

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General description

1,2,4-Benzenetricarboxylic anhydride(TA) is a hydrophilic monomer with multipurpose usage; as a curing agent for epoxy based resins and as a plasticizer for polyvinyl chloride(PVC).

Application

TA can chemically modify sugarcane bagasse, which can be used in the absorption of auramine and safranin dyes from aqueous solutions. It can be blended with epoxy propane in the synthesis of polyurethane acrylates, which can be used as oligomers for ultra-violet based coatings. Polyamide P84 ultra-filtration membranes can be functionalized with TA by interacting the amide linkages with the anhydrides.

Signal Word

Danger

Hazard Statements

H317,H318,H334,H335

Hazard Classifications

Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

440.6 °F - closed cup

Flash Point(C)

227 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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1,2,4,5-Benzenetetracarboxylic acid 96%

Sigma-Aldrich

B4007

1,2,4,5-Benzenetetracarboxylic acid

Vibrational, electronic and quantum chemical studies of 1, 2, 4-benzenetricarboxylic-1, 2-anhydride.
Arjunan V, et al.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, 110(11), 141-150 (2013)
Synthesis and characterization of hyperbranched polyurethane acrylates used as UV curable oligomers for coatings.
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Progress in Organic Coatings, 52(2), 110-117 (2005)
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Multiple chemical sensitivity (MCS) is characterized by various signs, including neurological disorders and allergy. Exposure may occur through a major event, such as a chemical spill, or from long-term contact with chemicals at low levels. We are interested in the
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Identification of allergenic chemicals is an important occupational safety issue. While several methods exist to identify contact sensitizers, there is currently no validated model to predict the potential of chemicals to act as respiratory sensitizers. Previously, we reported that cytometry
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