substance

Hydroxylammonium sulfate

Bis(hydroxylammonium) sulfate, (NH3OH)2SO4. Identity from PubChem (CAS 10039-54-0 -> CID 24846); the chemicals package 1.5.2 lists this CAS with the 1:1 formula H5NO5S, which does not fit it.

Formula: H8N2O6S
CAS: 10039-54-0
InChIKey: VGYYSIDKAKXZEE-UHFFFAOYSA-L

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Made by

Hydroxylammonium sulfate by catalytic NO hydrogenation (30 kt/a NH2OH, 25 wt% solution)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

2NO+3H₂+H₂SO₄givesH₈N₂O₆SProduct · one process

Routes compared

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

Per 1 kg of Hydroxylammonium sulfate: 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
Hydroxylammonium sulfate by catalytic NO hydrogenation (30 kt/a NH2OH, 25 wt% solution)NH3 oxidation with O2 and steam on Pt/Rh (about 130 kPa(a)), O2 removal by hydrogenation, condensation, NO hydrogenation in about 20 wt% H2SO4 on suspended Pt/graphite in a stirred-tank cascade (313 K, 200 kPa(a)) with off-gas recycle and purge to a thermal oxidiser; 30 kt/a NH2OH	flowsheet or hand-writtenDesign maturity: Concept (research)Not independently reviewedDataset review: unreviewed	GLO, 2026	Electric power: 0.00968 kWh LP steam 500 kPa(a), indirect (ammonia vaporiser): 0.0203 kWh	Liquid ammonia (boundary feed; e.g. from ammonia-1): 0.0626 kg Gaseous oxygen 99.5 mol% (boundary feed; e.g. from asu-1): 0.157 kg Hydrogen 99.9 mol% (boundary feed; e.g. from hydrogen-1): 0.0134 kg Sulfuric acid 98.5 wt% (boundary feed; e.g. from sulfuric-acid-1): 0.181 kg Demineralised water: 0.276 kg Ambient air (thermal oxidiser): 0.153 kg (free) LP steam 500 kPa(a), direct use (burner dilution steam): 0.319 kg Pt/Rh gauze metal lost from the ammonia burner: 0.0000000313 kg Platinum lost from the suspended Pt/graphite hydrogenation catalyst: 0.00000000409 kg Ag-Mn oxygen-hydrogenation catalyst (R-102) replaced: 0.00000273 kg	H2 to the environment: 0 kg N2O to the environment: 0.00265 kg NO to the environment: 0.00345 kg	not published	–

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.