HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1656791Generated: October 31, 2026
Acetic Anhydride → Propylene Glycol Diacetate
https://huagongshe.com/reaction/1656791
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Catalyst | Zincchloride | HCID 3007855 | — |
| Product | Propylene Glycol Diacetate | HCID 12198 | 80% |
Reaction Steps
A 1-liter flask is charged with 3000 mol. wt. polyether triol (200 g, PO/EO copolymer having about 15 wt. % internal oxyethylene content; a flex-slab polyol), acetic anhydride (500 g), and zinc chloride (35 g). The mixture is heated to 140° C. for 7 h. Propylene glycol diacetate is isolated by distillation in 80% yield.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US05254723 |
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| Source dataset | uspto-grants-1993_10 |
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| ORD ID | ord-7456438fd0884970ae07779cab1e083b |
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| Source note | uspto-grants-1993_10 |
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