Phthalic Anhydride flake
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Post Date:
Dec 30,2020
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Expiry Date:
Jun 28,2021
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Detailed Description:
Cas No. :85-44-9
Quantity: 19Metric Tons
Specs:99.5% Phthalic Anhydride
Price:900 USD Metric Tons
Payment Method: TT or LC
Product Name Phthalic Anhydride
CAS No 85-44-9
Molecular Formula C8H4O3
Molecular Weight 148.11
Introduction Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid.
Application It is one of important organic chemical raw materials, used in the production of plasticizer, alkyd resins and unsaturated polyester resins, dyes and pigments, pharmaceutical and pesticide, etc.
Item Unit Specification
Appearance - White phosphorus flake or crystal powder
Molten chromaticity(color) ≤ 20
Thermal stability chromaticity(color) ≤ 50
Sulphuric acid chromaticity(color) ≤ 40
Crystallization point ºC ≥ 130.5
Purity ≥% 99.5
Maleic anhydride content ≤ 0.05
Free acid content ≤ 0.20
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CAS Registry Number:
85-44-9
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Synonyms:
;2,5-Isobenzofurandione;2-benzofuran-1,3-dione;2,2'-(oxydicarbonyl)dibenzoic acid;o-Phthalic anhydride;
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Molecular Formula:
C8H4O3
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Molecular Weight:
148.12
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Molecular Structure:
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Hazard Symbols:
Xn:Harmful;
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Risk Codes:
R22:;
R37/38:;
R41:;
R42/43:;
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Safety Description:
S22:;
S24/25:;
S26:;
S37/39:;
S46:;
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