99% TPA/ Terephthalic Acid ISO Factory CAS 100-21-0 CAS NO.100-21-0

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99% TPA/ Terephthalic Acid ISO Factory CAS 100-21-0 

 

Description:
Terephthalic Acid is a white crystalline solid with a slight aromatic odor. It is an organic compound with the chemical formula C8H6O4. It is also known as 1,4-benzenedicarboxylic acid.

Specification:

• Chemical Formula: C8H6O4
• Molecular Weight: 166.13 g/mol
• Appearance: White crystalline powder
• Melting Point: 300-305 °C (572-581 °F)
• Solubility: Sparingly soluble in water, soluble in organic solvents (e.g. benzene)

Application:
Terephthalic Acid has a primary application in the production of polyethylene terephthalate (PET), a widely used polymer. Some key applications include:

1. Polyester Fibers: Terephthalic Acid is a crucial raw material for the production of polyester fibers. These fibers are used in textiles, clothing, carpets, upholstery, and other applications.

2. Polyester Films: Terephthalic Acid is utilized in the manufacturing of polyester films, which find applications in packaging, electrical insulation, and various industrial uses.

3. PET Resins: Terephthalic Acid, along with ethylene glycol, is used to produce PET resins. These resins are widely used in the production of plastic bottles, containers, and packaging materials.

4. Coatings and Adhesives: Terephthalic Acid can be used in the formulation of coatings and adhesives, providing desirable properties such as chemical resistance and adhesion.

Features:

• High Purity: Terephthalic Acid is commercially available in high purity, ensuring consistent performance and quality in various applications.

• Thermal Stability: Terephthalic Acid exhibits good thermal stability, making it suitable for processes involving high temperatures, such as polymerization.

• Chemical Reactivity: Terephthalic Acid has two carboxylic acid groups, allowing it to undergo various chemical reactions, such as esterification and condensation, to form polymers.

• Mechanical Strength: Products made from polyesters derived from Terephthalic Acid often exhibit good mechanical strength, making them suitable for a wide range of applications.

 

CAS No.:	100-21-0
Formula:	C8H6O4
Molecular Weight:	166.13
Melting Point:	300ºC
Boiling Point:	392.4ºC at 760 mmHg
Density:	1.51

 

Terephthalic acid Usage And Synthesis

Description	Terephthalic acid is the organic compound with formula C6H4(COOH)2. This colourless solid is a commodity chemical, used principally as a precursor to the polyester PET, used to make clothing and plastic bottles. Several million tones are produced annually. It is one of three isomeric phthalic acids.
Chemical Properties	Terephthalic acid is poorly soluble in water and alcohols, consequently up until around 1970 most crude terephthalic acid was converted to the dimethyl ester for purification. It sublimates when heated.
Chemical Properties	TPA is a white crystalline solid.
Chemical Properties	white powder
History	Terephthalic acid came to prominence through the work of Winfield and Dickson in Britain around 1940. Earlier work by Carothers and coworkers in the United States established the feasibility of producing high molecular weight linear polyesters by reacting diacids with diols, but they used aliphatic diacids and diols. These made polyesters which were unsuitable to be spun into fibers. Winfield and Dickson found that symmetrical aromatic diacids yield high-melting, crystalline, and fiberforming materials; poly(ethylene terephthalate) (PET) has since become the largest volume synthetic fiber.
Uses	Terephthalic acid (TPA) is a high-tonnage chemical, widely used in the production of synthetic materials, notably polyester fibers (poly-(ethylene terephthalate)).
Uses	Terephthalic acid is a benzenepolycarboxylic acid with potential anti-hemorrhagic properties.
Uses	1,4-benzenedicarboxylic acid is mainly used for the production of poly (ethylene terephthalate). Also production of plasticizer dioctyl phthalate (DOTP) and polyester plasticized agents. 1,4-benzenedicarboxylic acid and polyhydric alcohols have a condensation reaction withd iethylene glycol, triethylene glycol, glycerol, propylene glycol, butylene glycol, etc. preparation of the polyester plasticizer.

Item	Standard
Identification	A.H-NMR:Comply with the structure
	B.LC-MS:Comply with the structure
	C.The IR spectrum of sample should be identical with that of reference standard;
Loss on drying	≤0.1%
Heavy metals	≤10 ppm
Water	≤0.1%
Purity	≥99.0%

 

 

Packaging	1kg-15kg packing	2 PE bag inside + 1 foil bag outside in carton
	25kg-50kg packing	2 PE bag inside + 1 foil bag outside in drum
	Other packing	Customized packing
Drum Size	D38cm*H60cm or customized, 25 kg/ drum
Shipping	1-50kg	International Express	Fast and convenient	Door to Door
	50-500kg	Air Transportation	Fast and cheap	To Air Port
	Above 500kg	Sea Transportation	Cheap and convenient	To Port

 

 

 

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Yes. We can print your Logo on the packages if you can meet our MOQ.

 

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