偏苯三酸酐Trimellitic Anhydride(TMA

偏苯三酸酐 (1,2,4-苯三酸酐) 　　本品主要用于聚脂树脂、偏苯三酸三辛脂(TOTM)、环氧树脂固化剂（M68）及绝缘漆等产品原料。还可以生产耐热绝缘材料、表面活剂、合成染料等。

CAS　号 552-30-7 结 构 式 分 子 式 C9H4O5 分 子 量 192.12 主要指标 酐含量 ≥97.5% 熔 点 165±2 °C 色 号（铂钴比色计） ≤150# 酸 值 ≥872 mg(KOH)/g 包　　装 25Kg/复合袋(可依顾客要求)

Trimellitic Anhydride(TMA)

CAS.No. 552-30-7

Trimellitic Anhydride is mainly used as raw material for polyester resin,polyimide resin,plasticizer TOTM ,and also be used for producing heatproof & insulating,adhesive,surfactant, paint,synthesize dye materials etc.
Trimellitic anhydride is used as an embossing agent for vinyl flooring and as a curing agent for epoxy resins. It is also used as an intermediate for the synthesis of surface coatings chemicals, adhesives, polymers, dyes printing inks, pharmaceuticals .

Molecular formula:C9H4O5

Molecular weight:192.12

Appearance: white to off-white flakes

Major Index:

1)Anhydride content:≥97.5

2)Purity:>99.5

3) Melting point :163-165 ° C

4) Color,Hazen: 150 max (molten state)

5) Acid value: ≥872mg(KOH)/g

Packing:25kgs/bag,15 tons in 20’FCL with pallets