Table 1 The main physico-chemical characteristics of higher alcohols (ROH) (mixture of homologues) and of heterogeneous polyethoxylated higher alcohols R-(EO) n -H
Product name | Hydrocarbon chain (R) | Notation | Appearance | Hydrocarbon chain distribution (%)2) | Physico-chemical characteristics | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
C12 | C14 | C16 | C18 | Polyethyleneglycols content PEG (%) | Higher alcohols (%) | Polyethoxylated higher alcohols, mixtures of chain homologues (%) | H2O (%) | ||||
Lauryl/myristyl alcohol | C12H25/C14H29 | LM-O-H | colorless fluid | 70 | 30 | - | - | - | 99.55 | - | - |
Cetyl/stearyl alcohol | C16H33/C18H37 | CS-O-H | waxy colorless solid | - | - | 70 | 30 | - | 99.24 | - | - |
Polyethoxylated (n = 3) lauryl/myristyl alcohol | C12H25/C14H29 | LM-(EO)3-H | colorless fluid | 70 | 30 | - | - | 0.43 (−)1) | 15.03 (−)1) | 84.24 (99.12)1) | 0.30 (−)1) |
Polyethoxylated (n = 3) cetyl/stearyl alcohol | C16H33/C18H37 | CS-(EO)3-H | colorless solid | - | - | 70 | 30 | 0.52 | 17.36 | 82.78 | 0.32 |
Polyethoxylated (n = 6) lauryl/myristyl alcohol | C12H25/C14H29 | LM-(EO)6-H | viscous colorless fluid | 70 | 30 | - | - | 0.61 | 4.58 | 88.36 | 0.58 |
Polyethoxylated (n = 6) cetyl/stearyl alcohol | C16H33/C18H37 | CS-(EO)6-H | waxy colorless solid | - | - | 70 | 30 | 0.74 | 5.18 | 85.15 | 0.49 |
Polyethoxylated (n = 9) lauryl/myristyl alcohol | C12H25/C14H29 | LM-(EO)9-H | colorless paste | 70 | 30 | - | - | 0.78 | 0.88 | 92.45 | 0.68 |
Polyethoxylated (n = 9) cetyl/stearyl alcohol | C16H33/C18H37 | CS-(EO)9-H | waxy colorless solid | - | - | 70 | 30 | 0.93 | 1.25 | 89.63 | 0.88 |
Polyethoxylated (n = 12) lauryl/myristyl alcohol | C12H25/C14H29 | LM-(EO)12-H | waxy colorless solid | 70 | 30 | - | - | 0.95 | 0.25 | 97.48 | 0.90 |
Polyethoxylated (n = 12) cetyl/stearyl alcohol | C16H33/C18H37 | CS-(EO)12-H | waxy colorless solid | - | - | 70 | 30 | 1.18 | 0.98 | 93.47 | 1.02 |
Polyethoxylated (n = 16) lauryl/myristyl alcohol | C12H25/C14H29 | LM-(EO)16-H | waxy colorless solid | 70 | 30 | - | - | 1.19 | - | 98.52 | 1.15 |
Polyethoxylated (n = 16) cetyl/stearyl alcohol | C16H33/C18H37 | CS-(EO)16-H | waxy colorless solid | - | - | 70 | 30 | 1.47 | 0.73 | 96.51 | 1.42 |
Polyethoxylated (n = 20) lauryl/myristyl alcohol | C12H25/C14H29 | LM-(EO)20-H | waxy colorless solid | 70 | 30 | - | - | 1.79 | - | 98.11 | 1.58 |
Polyethoxylated (n = 20) cetyl/stearyl alcohol | C16H33/C18H37 | CS-(EO)20-H | waxy colorless solid | - | - | 70 | 30 | 1.93 | 0.46 | 98.23 | 1.74 |