substance

Phosphorus tribromide

No ChEBI entry found (EBI OLS search by name and InChIKey, 2026-11-05).

Formula: PBr3
CAS: 7789-60-8
InChIKey: IPNPIHIZVLFAFP-UHFFFAOYSA-N

Show in the process graph →

Made by

Phosphorus tribromide by semi-batch bromination of white phosphorus in a PBr3 heel (1000 t/a)Main productConcept · not reviewed

Used by

No process in the Atlas uses this yet.

When a process with this chemical is added to the library, it appears here.

Takes part in

2P+3Br₂gives2PBr₃Product · Free bromine taken up by red phosphorus · one process
P₄+6Br₂gives4PBr₃Product · Bromination of white phosphorus in a PBr3 heel · one process

Routes compared

One route in the Atlas makes Phosphorus tribromide: nothing to compare yet. A comparison appears when a second route is added.

Per 1 kg of Phosphorus tribromide: inventory from each route's LCI dataset, unallocated; footprints per the functional unit of their own LCA.

Route	Tier, design maturity, review status	Geography, year	Energy	Feedstocks	Key emissions	Footprint	Comparability
Phosphorus tribromide by semi-batch bromination of white phosphorus in a PBr3 heel (1000 t/a)Batch plant: molten white phosphorus and bromine dosed together over 10 h into a PBr3 heel at 398 K (semi-batch, 0.4 % bromine excess), the heel kept for the next batch, the crude treated with red phosphorus and distilled at 4 kPa(a); 1421 kg per batch, 704 batches a year on a dedicated train	flowsheet or hand-writtenDesign maturity: Concept (research)Not independently reviewedDataset review: unreviewed	GLO, 2026	Electric power: 0.0396 kWh LP steam 350 kPa(a) (still reboiler): 0.0626 kWh	Molten white phosphorus (merchant): 0.12 kg Liquid bromine (bromine-1): 0.936 kg Red phosphorus (merchant): 0.0012 kg Nitrogen for inerting R-101 and C-101 and breaking the still's vacuum: 0.00528 kg	none	no footprint	–

ISO 14044 requires a critical review (by a panel of interested parties, ISO/TS 14071) of a comparative assertion intended to be disclosed to the public. These routes are listed side by side for screening; a statement that one is better than another needs that review. None of these routes has had such a review.