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Trimellitic Anhydride

Product Name
Trimellitic Anhydride
CAS No.
552-30-7
Chemical Name
Trimellitic Anhydride
Synonyms
1,3-Dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid;1,2,4-BENZENETRICARBOXYLIC ANHYDRIDE;TMAN;TRIMELLITIC ACID ANHYDRIDE;1,2,4-BENZENETRICARBOXYLIC 1,2-ANHYDRIDE;1,2,4-Benzenetricarboxylic acid anhydride;epon9150;NCI-C56633;AKOS BBS-00003778;rimellitic anhydride
CBNumber
CB5293056
Molecular Formula
C9H4O5
Formula Weight
192.13
MOL File
552-30-7.mol
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Trimellitic Anhydride Property

Melting point:
163-166 °C (lit.)
Boiling point:
390 °C
Density 
1.54
vapor density 
6.6 (vs air)
vapor pressure 
<0.01 mm Hg ( 20 °C)
refractive index 
1.4717 (estimate)
Flash point:
227 °C
storage temp. 
Store below +30°C.
solubility 
24.4g/l (decomposition)
pka
3.11±0.20(Predicted)
form 
Flakes
color 
White to off-white
PH
2 (21g/l, H2O, 20℃)
explosive limit
1-7%(V)
Water Solubility 
DECOMPOSES
Sensitive 
Moisture Sensitive
Merck 
14,9703
BRN 
9394
Exposure limits
ACGIH: TWA 0.0005 mg/m3; STEL 0.002 mg/m3 (Skin)
NIOSH: TWA 0.005 ppm(0.04 mg/m3)
Stability:
Stable. Moisture sensitive.
InChIKey
SRPWOOOHEPICQU-UHFFFAOYSA-N
LogP
0.06-0.54 at 20℃
CAS DataBase Reference
552-30-7(CAS DataBase Reference)
NIST Chemistry Reference
Trimellitic anhydride(552-30-7)
EPA Substance Registry System
Trimellitic anhydride (552-30-7)
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Safety

Hazard Codes 
Xn
Risk Statements 
37-41-42/43
Safety Statements 
22-26-36/37/39
WGK Germany 
1
RTECS 
DC2050000
10-21
TSCA 
Yes
HS Code 
29173980
Hazardous Substances Data
552-30-7(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: > 2730 mg/kg LD50 dermal Rabbit 23000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H317May cause an allergic skin reaction

H318Causes serious eye damage

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
B4600
Product name
1,2,4-Benzenetricarboxylic anhydride
Purity
97%
Packaging
25g
Price
$44.4
Updated
2024/03/01
Sigma-Aldrich
Product number
B4600
Product name
1,2,4-Benzenetricarboxylic anhydride
Purity
97%
Packaging
1kg
Price
$105
Updated
2024/03/01
Sigma-Aldrich
Product number
8.20138
Product name
1,2,4-Benzenetricarboxylic 1,2-anhydride
Purity
for synthesis
Packaging
100g
Price
$35.5
Updated
2024/03/01
Sigma-Aldrich
Product number
8.20138
Product name
1,2,4-Benzenetricarboxylic 1,2-anhydride
Purity
for synthesis
Packaging
500g
Price
$57.9
Updated
2024/03/01
TCI Chemical
Product number
C0046
Product name
Trimellitic Anhydride
Purity
>97.0%(HPLC)(T)
Packaging
25g
Price
$16
Updated
2024/03/01
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Trimellitic Anhydride Chemical Properties,Usage,Production

Chemical Properties

Trimellitic anhydride is a white powder or flakes. It is the anhydride of trimellitic acid (1,2,4-benzenetricarboxylic acid). It is soluble in water, ethanol, acetone and other general organic solvents.

Uses

Trimellitic anhydride is mainly applied to produce good heat-proof, weather-proof and solvent-proof trimellitate plasticizers, among which the most popular product is tri(2-ethylhexyl)trimellitate. It is also used to synthesize polyester resins.TMA can also be applied to curing agent of epoxy resins.

Uses

Trimellitic Anhydride is mainly used as raw material for polyester resin,polyimide resin,plasticizer TOTM ,and also be used for producing heatproof & insulating,adhesive,surfactant, paint,synthesize dye materials etc. Trimellitic anhydride is used as an embossing agent for vinyl flooring and as a curing agent for epoxy resins. It is also used as an intermediate for the synthesis of surface coatings chemicals, adhesives, polymers, dyes printing inks, pharmaceuticals .

Definition

ChEBI: Trimellitic anhydride is a 2-benzofuran compound having oxo groups at the 1- and 3-positions and a carboxy substituent at the 5-position; the cyclic anhydride formed from the carboxy groups at the 1- and 2-positions of trimellitic acid. It has a role as an epitope, an allergen and a hapten. It is a cyclic dicarboxylic anhydride, a dioxo monocarboxylic acid and a member of 2-benzofurans. It is functionally related to a phthalic anhydride and a trimellitic acid.

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).

Air & Water Reactions

Sensitive to moisture. Hydrolyzes slowly. Solutions in water or alcohol may be unstable. Insoluble in water.

Reactivity Profile

1,2,4-Benzenetricarboxylic anhydride reacts exothermically with water. This reaction is expected to be slow, but can become vigorous if local heating accelerates it. Reaction with water is accelerated by acids. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases. Incompatible with strong oxidizing agents, strong acids or strong bases. .

Hazard

Toxic by inhalation. Respiratory sensitization.

Health Hazard

Trimellitic anhydride (TMAN) causes both respiratory irritation and immunologic respiratory disease.

Safety Profile

Moderately toxic by ingestion. Has caused pulmonary edema from inhalation. Irritant to lungs and air passages. May be a powerful allergen. Typical attack consists of breathlessness, wheezing, cough, running nose, immunologcal sensitization, and asthma symptoms. When heated to decomposition it emits acrid smoke and irritating fumes. See also ANHYDRIDES.

Synthesis

3-Xylene is carbonylated with carbon monoxide in the presence of boron trifluoride and hydrogen fluoride to form 2,4-dimethylbenzaldehyde. 2,4-Dimethylbenzaldehyde is decomplexed from the acids, purified, and oxidized to trimellitic acid. Trimellitic acid is subjected to normal dehydration and purification steps to obtain high quality trimellitic anhydride.

Potential Exposure

TMA is used to produce trimellitate plasticizers, poly (amide-imide) polymers; in paints, enamels, and coatings; polymers, polyesters; as a curing agent for epoxy and other resins; in vinyl plasticizers; agricultural chemicals; dyes and pigments; pharmaceuticals, surface active agents; modifiers, intermediates, and specialty chemicals.

Carcinogenicity

There are no reports of carcinogenicity associated with TMAN exposure. It was not mutagenic in bacterial assays with or without metabolic activation. No teratogenic effects or developmental toxicity was seen in rats or guinea pigs exposed to 500mg/m3 for 6 hours/day during their period of major organogenesis.

Incompatibilities

Dust can cause an explosion. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Reacts slowly with water, forming trimellitic acid. Compounds of the carboxyl group react with all bases, both inorganic and organic (i.e., amines) releasing substantial heat, water and a salt that may be harmful.

Waste Disposal

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.

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Trimellitic Anhydride Suppliers

JinJin Le Chemical Co., Ltd
Tel
10106090
Email
jjlchem2@163.com
Country
China
ProdList
9986
Advantage
58
Zhengzhou KeYulong chemical products Co., Ltd
Tel
17319789407
Fax
0371-53335504
Email
Keyulongchem@163.com
Country
China
ProdList
1993
Advantage
55
Wuxi tomorrow Chemical Technology Co., Ltd
Tel
0510-80776682 15949267094
Fax
0510-80776682
Email
2657909084@qq.com
Country
China
ProdList
54
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TAIYUAN RHF CO.,LTD.
Tel
+86 351 7031519
Fax
+86 351 7031519
Email
sales@RHFChem.com
Country
China
ProdList
2341
Advantage
56
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
BeiJing Hwrk Chemicals Limted
Tel
0757-86329057 18501085097
Fax
010-89508210
Email
sales3.gd@hwrkchemical.com
Country
China
ProdList
7508
Advantage
55
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
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View Lastest Price from Trimellitic Anhydride manufacturers

Hebei Dangtong Import and export Co LTD
Product
Trimellitic Anhydride 552-30-7
Price
US $2200.00-2100.00/tons
Min. Order
1tons
Purity
99%
Supply Ability
1000tons
Release date
2023-02-22
hebei hongtan Biotechnology Co., Ltd
Product
Trimellitic Anhydride 552-30-7
Price
US $30.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
20000kg
Release date
2024-03-27
WUHAN FORTUNA CHEMICAL CO., LTD
Product
Trimellitic Anhydride 552-30-7
Price
US $0.00/KG
Min. Order
25KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-08

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