Molecular Formula:C18H15O4P
CAS (115-86-6)
Molecular Weight：326
Structural Formula：O=P(OC6H5)3
Nature：White flake or power crystal . It has fragrant odor ，irinflammable ,a little deliquescence .Melting point : 48.4-51℃. Liquid state relative density :1.208/60℃. B.P.:370℃/ 0.1MPa, 245℃/1.467kPa. Refractive Index: 1.5518-1.5630/ 25℃.Flash point 220℃。It can dissolve in benzene, chloroform , ether, acetone and so on organic matter .But it is difficult to dissolve water .
Hazardous articals number：TC 8400000
Toxicity ：LD50 ：（white rat to eat ）3000mg/Kg
Quality Index:
| Index Name |
INdex |
Top grade |
Industrial grade |
Appearance |
white flake or power crystal |
Color Value APHA |
≤ 40 |
≤ 100 |
Acid Value mgKOH/g |
≤ 0.03 |
≤ 0.10 |
Freezing Point ℃ |
≥ 48.5 |
≥ 47.0 |
Free Phenol% |
≤ 0.05 |
≤ 0.10 |
Content % |
≥ 99.8 |
≥ 99.5 |
Usage ：It can be used as fireproof plasticizer in cellulose resin, vinyl resin, natural and synthetic rubber, with low volatility, high fireproof effect, excellent retention rate of mechanical property, transparency, softness and obdurability; used as plasticizer and fireproof additive in cellulose nitrate, a wide variety of coatings, the thin ester and soft sheet of glycerol triacetate, hard polyurethane foamed plastic, engineering plastics, etc. Mainly used for the fire retardation of cellulose resin, vinyl resin, natural rubber and synthetic rubber.。It apply to plastic：ABS, CN, CA, Pet, PVc , PO, PU, PVAc, PPO.
Packing ：25Kg/bag
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