Toluene diisocyanate (TDI) is an organic compound with the formula CH3C6H3(NCO)2. Two of the six possible isomers are commercially important: 2,4-TDI (CAS: 584-84-9) and 2,6-TDI (CAS: 91-08-7). 2,4-TDI is produced in the pure state, but TDI is often marketed as 80/20 and 65/35 mixtures of … See more 2,4-TDI is prepared in three steps from toluene via dinitrotoluene and 2,4-diaminotoluene (TDA). Finally, the TDA is subjected to phosgenation, i.e., treatment with phosgene to form TDI. This final step produces See more The isocyanate functional groups in TDI react with hydroxyl groups to form carbamate (urethane) links. The two isocyanate groups … See more • Methylene diphenyl diisocyanate • Hexamethylene diisocyanate • Isophorone diisocyanate See more The LD50 for TDI is 5800 mg/kg for oral contact and LC50 of 610 mg/m for the vapour. Despite the indicated low toxicity, TDI is classified as … See more • International Chemical Safety Card 0339 • IARC Monograph: "Toluene Diisocyanates" • NIOSH Pocket Guide to Chemical Hazards See more
Gas Mileage of 2024 Audi Q7 - Fuel Economy
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WebGasBuddy has performed over 900 million searches providing our consumers with the cheapest gas prices near you. WebThe difference between VW TSI and TDI comes down to one basic key. TSI (Turbo Stratified Engine) uses petrol. Whilst TDI (Turbo Diesel Engine), as its name states, uses diesel. That is the main difference. Another key one is the price. TSI is usually cheaper than TDI, and it’s also lighter. However, some of the internal technology is also ... WebDec 24, 2013 · In both TDI drive locales, we explored part-throttle passing and accelerator response, probing the limits of where the car calls for a downshift. In many cases, the 3.0-liter V-6 needs only the... designer brand with a horseshoe