Triphosgene

Triphosgene
Names
	Preferred IUPAC name Bis(trichloromethyl) carbonate
	Other names BTC
Identifiers
CAS Number	32315-10-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	85216 ;
ECHA InfoCard	100.046.336
PubChem CID	94429;
UNII	2C0677Q3B2 ;
CompTox Dashboard (EPA)	DTXSID00865631 ;
	InChI InChI=1S/C3Cl6O3/c4-2(5,6)11-1(10)12-3(7,8)9 Key: UCPYLLCMEDAXFR-UHFFFAOYSA-N ; InChI=1/C3Cl6O3/c4-2(5,6)11-1(10)12-3(7,8)9 Key: UCPYLLCMEDAXFR-UHFFFAOYAA;
	SMILES ClC(Cl)(Cl)OC(=O)OC(Cl)(Cl)Cl;
Properties
Chemical formula	C3Cl6O3
Molar mass	296.748 g/mol
Appearance	white solid
Density	1.780 g/cm3
Melting point	80 °C (176 °F; 353 K)
Boiling point	206 °C (403 °F; 479 K)
Solubility in water	Reacts
Solubility	*soluble in dichloromethane soluble in THF; soluble in toluene;
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314, H330
Precautionary statements	P260, P280, P284, P305+P351+P338, P310
Safety data sheet (SDS)	SDS Triphosgene
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Triphosgene (bis(trichloromethyl) carbonate (BTC)) is a chemical compound with the formula OC(OCCl₃)₂. It is used as a solid substitute for phosgene, which is a gas and diphosgene, which is a liquid. Triphosgene is stable up to 200 °C. Triphosgene is used in a variety of halogenation reactions.