|
|
L-Cystine | L-Leucine
| L-Tyrosine | Hydroquinone
| P-Benzoquinone
Quinizarin | 1,4-Dihydroxy
Anthraquinone Leuco compound
1,4-Diamino Anthraquinone Leuco
Chemical Manganese Dioxide
| Manganese Carbonate | Iron Oxide Black
Benzaldehyde | Benzyl
Chloride | NPK Component Fertilizer | Urea
Phthalic anhydride (PA) | Dioctyl
phthalate(DOP)
Dibutyl phthalate |
Diisobutyl phthalate
Phthalic anhydride (PA)
| Product Name |
Phthalic anhydride (PA) |
| Formula |
C8H4O3 |
| Properties |
this product is a white flake or crystal powder. The melting point is 130.5°C, the specific gravity is 1.527; it is difficult to dissolve in water and ether; it possessess the property of anhydride of organic acid, for example: it reacts with alcohol to form ester through dehydrating, and reacts with hot water and steam to form acid, and benzoic acid through decarboxylating. |
| Specifications |
terms |
index |
| High class |
First class |
qualified |
| appearance |
White flake orCrystal powder |
White-other color traceFlake or crystal powder |
|
|
|
|
| Color number of moltePA(Pa-C0)≤ |
20 |
50 |
100 |
| Color number of heatStability(Pa-Co)≤ |
50 |
150
|
--
|
|
Solidifica-tion point℃ ≥
|
130.5
|
130.3
|
130.0
|
|
purity% ≥
|
99.5
|
99.5
|
99.0
|
|
Free acid(%)≤
|
0.5
|
0.5
|
0.5
|
|
ashes% ≤
|
0.05
|
--
|
--
|
| Package, storage &
transportations |
25kg/50kg packed in PP woven bag lined with PVC bag or compound
bag.. |
| Uses |
this product is major used in the production of the phthalic ester series plasticizer, and the unsaturated ployester resins, alkyd resins, glusides, plastics, paints, dyes and medicine industries. |
|
|
