Tel:
+86 15628782329
+86 15628782329
English 
Tel:
+86-156-2878-2329
E-Mail：sales001@bosschemical.com
E-Mail：sales001@bosschemical.com
No. 55, Gongye South Road, Jinan Area, China (Shandong) Pilot Free Trade Zone.
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85-44-9
bosschem
85-44-9
Product Description
Product name: Phthalic anhydride
CAS：85-44-9
MF：C8H4O3
MW： 148.12
EINECS:201-607-5
Application:
Production of plasticizers, alkyd resins, and unsaturated polyester resins
Specifications :
Test Items | Executive Standards | Measured Value | ||
Superior Products | First Grade | Qualified Products | ||
Appearance |
White Flake Or Crystalline Powder | Scaly Or Crystalline Powder With White And Other Colors |
White Scaly | |
Melt Chroma (Chroma Number) ≤ |
20 |
50 |
100 |
20 |
Thermal Stability Chroma (Chroma Number) ≤ |
50 |
150 |
- |
50 |
Sulphuric Acid Chroma (Chroma Number) ≤ |
40 |
100 |
150 |
30 |
Crystallization Point/℃ ≥ |
130.5 |
130.3 |
130.0 |
130.7 |
Phthalic Anhydride Purity/% ≥ |
99.50 |
99.50 |
99.50 |
99.86 |
Mass Fraction Of Free Acid ≤ |
0.20 |
0.30 |
0.50 |
0.03 |
Product Description
Product name: Phthalic anhydride
CAS：85-44-9
MF：C8H4O3
MW： 148.12
EINECS:201-607-5
Application:
Production of plasticizers, alkyd resins, and unsaturated polyester resins
Specifications :
Test Items | Executive Standards | Measured Value | ||
Superior Products | First Grade | Qualified Products | ||
Appearance |
White Flake Or Crystalline Powder | Scaly Or Crystalline Powder With White And Other Colors |
White Scaly | |
Melt Chroma (Chroma Number) ≤ |
20 |
50 |
100 |
20 |
Thermal Stability Chroma (Chroma Number) ≤ |
50 |
150 |
- |
50 |
Sulphuric Acid Chroma (Chroma Number) ≤ |
40 |
100 |
150 |
30 |
Crystallization Point/℃ ≥ |
130.5 |
130.3 |
130.0 |
130.7 |
Phthalic Anhydride Purity/% ≥ |
99.50 |
99.50 |
99.50 |
99.86 |
Mass Fraction Of Free Acid ≤ |
0.20 |
0.30 |
0.50 |
0.03 |