Phthalic anhydride/CAS:85-44-9
specification
|
Item |
Specifications |
|
Appearance |
Flaky crystals |
|
Colour |
White |
|
Melting point |
131–134 °C (lit.) |
|
Boiling point |
284 °C (lit.) |
|
Bulk density |
500–700 kg/m³ |
|
Density |
1.53 g/cm³ |
|
Vapor density |
5.1 (vs air) |
|
Vapor pressure |
< 0.01 mmHg (20 °C) |
|
Refractive index |
1.4500 (estimate) |
|
Flash point |
152 °C |
|
Storage conditions |
Store below +30 °C. |
|
Solubility |
6 g/L (slow decomposition) |
|
Conclusion |
This sample meets the specifications. |
Usage
-
Plasticizers Production
Raw material for manufacturing dioctyl phthalate (DOP), dibutyl phthalate (DBP) and other general plasticizers, widely used in flexible PVC products, cables, artificial leather and pipes.
-
Unsaturated Polyester Resins (UPR)
Reacts with alcohols to produce polyester resins used in fiberglass-reinforced plastics, automotive parts, sanitary ware and anti-corrosion coatings.
-
Alkyd Resins
Key raw material for coatings, paints, wood varnishes and industrial anti-corrosion finishes.
-
Dyes & Pigment Intermediates
Used in the synthesis of anthraquinone dyes, optical brighteners and organic pigments.
-
Pesticide & Pharmaceutical Intermediates
Applied in the production of various medicines, insecticides and fungicides.
-
Chemical Intermediates & Curing Agents
Used in polyester resins, alkyd resins and epoxy resin curing agents for coatings and insulating materials.
-
Fine Chemicals
Also used in flame retardants, synthetic fragrances and other specialty chemicals.
Packaging and Shipping
25KG/Bag or as customer requirements.
Belongs to common goods and can deliver by ocean and air
Keep and storage
Shelf life:24 month from date of manufacture in original unopened packaging stored in a cool dry place out of direct sunlight, water.
Ventilated warehouse, Low temperature drying, Separated from oxidants, acids.









