Methyltriphenylphosphonium iodide is an organic compound with the formula C₁₉H₁₈P^.I, and its systematic name is the same with the product name. With the CAS registry number 2065-66-9, it is also named as Phosphonium,methyltriphenyl-, iodide (1:1). It belongs to the product categories of Phosphonium Compounds; Synthetic Organic Chemistry; Wittig & Horner-Emmons Reaction; Wittig Reaction; C-C Bond Formation; Olefination; Wittig Reagents. Its EINECS number is 218-178-5. In addition, the molecular weight is 404.22. This chemical should be sealed and stored in a cool and dry place. Moreover, it should be protected from oxides, light and water. It should be ensured that the workshop is well ventilated or equipped with exhaust devices. It is used as hydrogenation and epoxy resin hardening promoting agents, and it is also used as chain olefin polymerization, hydrogenation reforming and polyurea catalysts.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. It is toxic if swallowed. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need to wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: [I-].c1(ccccc1)[P+](c2ccccc2)(c3ccccc3)C
(2)Std. InChI: InChI=1S/C19H18P.HI/c1-20(17-11-5-2-6-12-17,18-13-7-3-8-14-18)19-15-9-4-10-16-19;/h2-16H,1H3;1H/q+1;/p-1
(3)Std. InChIKey: JNMIXMFEVJHFNY-UHFFFAOYSA-M