substance

Benzyl alcohol

Formula: C7H8O
CAS: 100-51-6
InChIKey: WVDDGKGOMKODPV-UHFFFAOYSA-N
ChEBI: CHEBI:17987

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Made by

Benzyl alcohol by continuous hydrolysis of benzyl chloride with soda solutionMain productConcept · not reviewed

Used by

Benzyl chloroformate by semi-batch phosgenation of benzyl alcohol at reduced pressure (1000 t/a, batch)FeedstockConcept · not reviewed

Takes part in

C₈H₇ClO₂+C₇H₈OgivesC₁₅H₁₄O₃+HClReactant · Dibenzyl carbonate from the chloroformate and the alcohol · one process
C₇H₈O+COCl₂givesC₇H₇Cl+CO₂+HClReactant · Benzyl chloride and CO2 (net of the alcohol's chlorination by HCl and the water's phosgene hydrolysis) · one process
C₇H₈O+COCl₂givesC₈H₇ClO₂+HClReactant · Phosgenation of benzyl alcohol to benzyl chloroformate · one process

Routes compared

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

Per 1 kg of Benzyl alcohol: 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
Benzyl alcohol by continuous hydrolysis of benzyl chloride with soda solutioncontinuous countercurrent hydrolysis with aqueous sodium carbonate at 145 degC and 18 bar, toluene as inert solvent, two vacuum columns; batch stirred-tank hydrolysis, the water-only route without base (US 5,750,801) and benzaldehyde hydrogenation are not modelled	Tier 0 (stoichiometric)Design maturity: Concept (research)Not independently reviewedDataset review: unreviewed	GLO, 1982	Electricity: 0.333 kWh Steam, as heat delivered (reactor column and two vacuum columns): 0.955 kWh	Benzyl chloride: 1.19 kg Sodium carbonate (soda ash), dissolved to a 10.9 wt% solution: 0.551 kg Process water (soda solution and wash water): 6 kg	Sodium chloride in the spent brine, to surface water after treatment: 0.551 kg Excess sodium carbonate in the spent brine, to surface water after treatment: 0.0517 kg CO2 from the reacted carbonate, vented at degassing: 0.207 kg	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.