Description
Phthalic anhydride is an organic compound with the chemical formula C8H4O3. It is a cyclic anhydride formed by the dehydration of phthalic acid molecules. It is a white crystalline powder, insoluble in cold water, slightly soluble in hot water and ether, and soluble in ethanol, pyridine, benzene, carbon disulfide, etc. It is an important organic chemical raw material and an important intermediate for the preparation of phthalate ester plasticizers, coatings, saccharins, dyes, and organic compounds.
Application
Phthalic Anhydride is most commonly used for the large-scale production of plasticizers for plastics.
It performs the useful functions of fillers for products such as paints, plastics, and textiles etc.
It is used in the production of building material.
It is utilised for making insulating material for protection from noise and cold etc. such as in homes and buildings.
It is also consumed for making insulation for wires and electrical cables.
In the chemical industry it acts as a modifier for chemicals.
It is widely used for the efficient production of colourants. It is used for making dyes and pigments.
It is employed as a colorant for drugs, textiles and personal care products like cosmetics, tattoo inks and hair dyes etc.
In the food industry it is highly demanded for the production of food colours.
It is put to use in the paper industry for the production of inks for printing.
It is an essential chemical compound in the construction industry for making construction material.
It serves as an effective disinfectant.
It performs significant functions in the treatment and purification of drinking water.
It is employed in the production of food additives such as spices, extracts colourings and flavours etc.
It is applicable for use in the production of food packaging materials and other products such as paper plates, cutlery etc.
It is an essential ingredient for making products used for cleaning and caring for automobiles.
It is used in products used for photography such as photographic films, photographic tools, and photo chemicals etc.
Specifications
| Item | Top grade | First grade | Qualified product |
| Appearance | white scaly or crystalline powder | white scaly or crystalline powder | white scaly or crystalline powder with slight colors |
| molten Chroma(Chroma no. )≤ | 20 | 50 | 100 |
| thermostable Chroma(Chroma no. )≤ | 50 | 150 | -- |
| Chroma of vitriol(Chroma no. )≤ | 60 | 100 | 150 |
| crystallization point°C≥ | 130.5 | 130.3 | 130.0 |
| Purity(mass fraction)%≥ | 99.80 | 99.50 | 99.00 |
| Free acid(mass fraction)≤ % | 0.20 | 0.30 | 0.50 |
Types of Packaging
25 kg bag with inner plastic bag.
50 kg bag with inner plastic bag.
1000 kg bag with inner plastic bag.
1200 kg bag with inner plastic bag.、
Certifications
ISO 9001. ISO 22716. cGMP certified
Kosher, Halal certified
Shipping Information
MOQ: (Due to the nature of chemical transportation, please consult the sea trade manager for details!)
Port of Loading: CHINA - Shanghai Port, Ningbo Zhoushan Port, Guangzhou Port, Qingdao Port, Tianjin Port, Dalian Port, Xiamen Port, Lianyungang Port (can be ensured according to the requirements of customers)
Delivery Time: 4-6 weeks, depending on order size and destination
Payment Terms
L/C, D/P, T/T at buyer’s cost
Sample available on request
Multiple Names
AKOS BBS-00004337
anhydridephtalique
Phthalic anhydride
Anhydride phtalique
o-Phthalic anhydride
2-Benzofuran-1.3-dione
2.5-Isobenzofurandione
2-benzofuran-1.3-dione
Anhydrid kyseliny ftalove
anhydridephtalique(french)
anhydridephtalique(etatvitreux)
1.2-Benzenedicarboxylic Anhydride
2.2'-(oxydicarbonyl)dibenzoic acid
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