The 1,3,2-Benzodioxaphosphole,2,2,2-trichloro-, with the CAS registry number 2007-97-8, is also known as Catechylphosphorotrichloride. Its EINECS number is 217-913-7. This chemical's molecular formula is C₆H₄Cl₃O₂P and molecular weight is 245.43. What's more, its systematic name is 2,2,2-Trichloro-1,3,2λ⁵-benzodioxaphosphole. It should be sealed and stored in ventilated, cool and dry places and be protected from oxidizers. What's more, it should be ensured that the workshop is well ventilated or equipped with exhaust device.

Physical properties of 1,3,2-Benzodioxaphosphole,2,2,2-trichloro- are: (1)#H bond acceptors: 2; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 18.46 Å².

Preparation: this chemical can be prepared by dichloro-(2-methoxy-phenoxy)-phosphine at the temperature of -15 °C. This reaction will need reagent chlorine and solvent CH₂Cl₂. The yield is about 72%.

Uses of 1,3,2-Benzodioxaphosphole,2,2,2-trichloro-: it can be used to produce 2-chloro-benzo[1,3,2]dioxaphosphole-2-oxide at the temperature of 120 °C. It will need reagent N,N-bis(trimethylsilyl)benzenesulfonamide with the reaction time of 1.5 hours. The yield is about 70%.

When you are using this chemical, please be cautious about it as the following:
It can cause burns, so in case of accident or if you feel unwell seek medical advice immediately (show the label where possible). And in case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing, gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: ClP1(Cl)(Cl)Oc2ccccc2O1
(2)InChI: InChI=1S/C6H4Cl3O2P/c7-12(8,9)10-5-3-1-2-4-6(5)11-12/h1-4H
(3)InChIKey: PHDTZFMTDQJSSW-UHFFFAOYSA-N