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Pyromellitic acid

Product Name
Pyromellitic acid
CAS No.
89-05-4
Chemical Name
Pyromellitic acid
Synonyms
1,2,4,5-BENZENETETRACARBOXYLIC ACID;BENZENE-1,2,4,5-TETRACARBOXYLIC ACID;1,2,4,5-BenzenetetracarboxyL;1,2,4,5-Benzenetetracarboxylic acid, 96% 5GR;usafxr-20;USAF xr-20;AKOS AUF2102;pyromelliticaci;Pyrome1htic Acid;PYROMELLITIC ACID
CBNumber
CB9370591
Molecular Formula
C10H6O8
Formula Weight
254.15
MOL File
89-05-4.mol
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Pyromellitic acid Property

Melting point:
281-284.5 °C(lit.)
Boiling point:
317.36°C (rough estimate)
Density 
0,56 g/cm3
refractive index 
1.7010 (estimate)
Flash point:
325 °C
storage temp. 
Store below +30°C.
solubility 
0.1 M NaOH: 0.2 M, clear, faintly yellow
pka
pK1: 1.92;pK2: 2.87;pK3: 4.49;pK4: 5.63 (25°C)
form 
Crystalline Powder
color 
White to very slightly yellow
Water Solubility 
1.5 g/100 mL (20 ºC)
Merck 
14,8004
Stability:
Stable. Incompatible with strong oxidizing agents, strong bases.
InChIKey
CYIDZMCFTVVTJO-UHFFFAOYSA-N
LogP
0.15 at 25℃
CAS DataBase Reference
89-05-4(CAS DataBase Reference)
NIST Chemistry Reference
1,2,4,5-Benzene-tetracarboxylic acid(89-05-4)
EPA Substance Registry System
1,2,4,5-Benzenetetracarboxylic acid (89-05-4)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38-36
Safety Statements 
26-36-37/39-24/25
WGK Germany 
3
RTECS 
DB9275000
F 
34
TSCA 
Yes
HS Code 
29173980
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

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

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

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
B4007
Product name
1,2,4,5-Benzenetetracarboxylic acid
Purity
96%
Packaging
100g
Price
$48.1
Updated
2024/03/01
Sigma-Aldrich
Product number
B4007
Product name
1,2,4,5-Benzenetetracarboxylic acid
Purity
96%
Packaging
500g
Price
$116
Updated
2024/03/01
Sigma-Aldrich
Product number
8.00784
Product name
1,2,4,5-Benzenetetracarboxylic acid
Purity
for synthesis
Packaging
5G
Price
$38.8
Updated
2024/03/01
Sigma-Aldrich
Product number
8.00784
Product name
1,2,4,5-Benzenetetracarboxylic acid
Purity
for synthesis
Packaging
50g
Price
$39.4
Updated
2024/03/01
Sigma-Aldrich
Product number
8.00784
Product name
1,2,4,5-Benzenetetracarboxylic acid
Purity
for synthesis
Packaging
250g
Price
$85.4
Updated
2024/03/01
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Pyromellitic acid Chemical Properties,Usage,Production

Chemical Properties

White powder. Absorbs moisture slowly if exposed to atmosphere. Soluble in alcohol, slightly soluble in water.

Uses

Pyromellitic acid is an eluent used in anion chromatography and forms complexes with magnesium and calcium ions. It is used as a curing agent, as an intermediate for powder coating and a cross-linking agent for alkyd resin. It is involved in the synthesis of polyimide and pyromellitic octyl.

Uses

Pyromellitic acid (PMA) is mainly used as intermediate for powder coating. Product Data Sheet

Uses

1,2,4,5-benzenetetracarboxylic acid is used for the synthesis of the polyimide, pyromellitic octyl, etc., it is the main raw material of matting curing agent.

Definition

ChEBI: A tetracarboxylic acid that is benzene substituted by four carboxy groups at positions 1, 2, 4 and 5 respectively.

Hazard

Skin irritant, may be carcinogenic.

Purification Methods

Dissolve it in 5.7 parts of hot dimethylformamide, decolorise, filter and cool. The precipitate is collected and dried in air. The solvent is removed by heating in an oven at 150-170o for several hours. It also crystallises from water. [Beilstein 9 H 997, 9 IV 3804.]

Pyromellitic acid Preparation Products And Raw materials

Raw materials

1,2,4-Trimethylbenzene 1,2,4,5-Tetramethylbenzene

Preparation Products

photosensitive polyimide photoresist (PSPI)
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Pyromellitic acid Suppliers

Americas 1 Belgium 1 Canada 1 China 267 Europe 3 France 2 Germany 8 India 2 Japan 5 Norway 1 Slovakia 1 Switzerland 2 Ukraine 1 United Kingdom 5 United States 32 Global 332
Aladdin Scientific
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View Lastest Price from Pyromellitic acid manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Pyromellitic acid PMA 89-05-4
Price
US $200.00-95.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-04-25
Hebei Yanxi Chemical Co., Ltd.
Product
pyromellitic acid 89-05-4
Price
US $0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20tons
Release date
2023-09-12
Hebei Chuanghai Biotechnology Co., Ltd
Product
Pyromellitic acid 89-05-4
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-31

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