HuagongsheHuagongshe Chemistry Print Report · For research reference only
Formaldehyde → HCID 86735192, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Formaldehyde | HCID 712 | — |
| Reactant | Glyoxylic Acid | HCID 760 | — |
| Reactant | Urea | HCID 1176 | — |
| Product | HCID 86735192 | HCID 86735192 | — |
Reaction Steps
in a first stage condensing urea and formaldehyde in an aqueous solution in the presence of glyoxylic acid at a pH between two and five at a temperature of 20° C to 100° C and with a molar ratio of urea/formaldehyde/glyoxylic acid of substantially 1 : 2 to 10 : 0.03 to 0.6 to produce a precondensate; and
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04058498 |
| Source dataset | uspto-grants-1977_11 |
| ORD ID | ord-47a25a4bed2f434880855e7ab4f96441 |
| Source note | uspto-grants-1977_11 |