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    | product Name | 3,4,9,10-Perylenetetracarboxylic dianhydride |  
    | Synonyms | 71127; C.I.Pigment Red 224; P.R.224; Perylene Red Y; Irgazin Red BPT; Perylo[3,4-cd:9,10-c'd']dipyran 1,3,8,10-tetrone; PERYLENETETRACARBOXYLIC ACID(-3,4,9,10)-DIANHYDRIDE; 3,4,9,10-Perylene tetracarboxylic acid dianhydride; isochromeno[4',5',6':6,5,10]anthra[2,1,9-def]isochromene-1,3,8,10-tetrone; 1,3,8,10-TETRAHYDROPYRANO[3',4',5':9,10]PERYLO[3,4-CD]PYRAN-1,3,8,10-TETRAONE; 3,4,9,10-PERYLENETETRACARBOXYLIC 3,4,9,10-DIANHYDRIDE; PTCDA |  
    | Molecular Formula | C48H22O15 |  
    | Molecular Weight | 838.6793 |  
    | InChI | InChI=1/C48H22O15/c49-41(50)25-15-13-21-19-9-1-5-17-7-3-11-23(27(17)19)31-29(21)33(25)35(43(53)54)37(45(57)58)39(31)47(61)63-48(62)40-32-24-12-4-8-18-6-2-10-20(28(18)24)22-14-16-26(42(51)52)34(30(22)32)36(44(55)56)38(40)46(59)60/h1-16H,(H,49,50)(H,51,52)(H,53,54)(H,55,56)(H,57,58)(H,59,60) |  
    | CAS Registry Number | 128-69-8 |  
    | EINECS | 204-905-3 |  
    | Molecular Structure |   |  
    | Melting point | 350℃ |  
    | Refractive index | 1.969 |  
    | Water solubility | insoluble |  
    | Hazard Symbols |  Xi:Irritant; 
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    | Risk Codes | R36/37/38:; 
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    | Safety Description | S26:; S36:;
 
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