Description

1, 3, *-TrimethylBenzene Alias: Mesitylene Molecule Formula: C9H*2 Structurer Formula: CAS No.: *******8 Molecule weight: **0 Physical chemical properties: Colorless transparent ***** point: α-type **5℃ï&frac*4;›Î²-type *1℃. Boiling point **4.7℃. Relative density( d**0 )0.**4. Refractive index ( nd*1 )1.***4. Flash point *4℃. Self-combustion point **0℃. Insoluble in water, soluble in ethanol. Soluble in benzene, aether, acetone with any ratio. Typical Data: Standard: Q/SHJL********8 appendix A (updated) Item Standard Testing results 1, 3, *-Trimethylbenzene, % (w/w) min *9.*0 *9.*0 1, 2, *-Trimethylbenzene, %ï&frac*4;ˆw/wï&frac*4;‰max 0.*0 0.*0 Moisture, %(w/w) max 0.*0 0.*9 Density(*0℃), kg/m3 **0.****0.0 **5.0 Alpha color, max *0 *0 Product Applications: It is a raw material for organic synthesis. It is used to make 1, 3, *-Benzene Tricarboxylic Acid, antioxidant, ethoxyline resin solidifying agent, polyester resin stabilizer, and alkide resin plasticizer. It is used to produce 2, 4, *-trimethyl benzene for making such dyes as active cobalt blue and K*3R. Manufacture method: Distill heavy aromatic hydrocarbons to obtain pseudocumene. At the same time, isomerize highly pure 1, 2, 4ï&frac*4;Trimethyl Benzene to 1, 3, 5ï&frac*4;trimethyl benzene. Then fraction distillation is performed to isolate1, 3, 5ï&frac*4;trimethyl benzene from the reaction oil. Toxicity and protection: Its toxicity is similar to ***** irritates the nose and the throat. The highest permitted concentration in air is **5mg/m3. The operation spot should be well ventilated and the operators should wear protection masks. Packaging, storage and transportation: DOT Hazard Class: 3 DOT Identification Number: UN***5 DOT Packing Group: III Fire and insolation should be avoided during storage. It should be separated from oxidants. It should be handled with care to avoid breaking the package. To be *****