Observations
Expt Table remarks: Brownish pinkish appearance after reaction
Raw materials (collected from the per-step charges)
| Step | Material | Role |
|---|---|---|
| 1 | Surfol R-1400 HV-59 (R-53/07032024) | - |
| 1 | Phosphorous pentaoxide | - |
| 2 | Epomine SP- 018 | - |
| 2 | Toluene | solvent |
| 2 | AIBN catalyst | catalyst |
| 2 | 2 ethyl hexyl acrylate | - |
| 3 | Step - 1 Product | intermediate |
| 3 | Step - 2 Product | intermediate |
Process
| Step | Conditions | Charged | What happened | Results |
|---|---|---|---|---|
|
Step 1
28112025 9076 Expt Table 2025.xls
|
temperature: 58 / 75 (two-row Temp cell; no explicit ramp times)atmosphere: N2time_h: 4 h (75 oC row) |
Surfol R-1400 HV-59 (R-53/07032024) Phosphorous pentaoxide
|
— | acid_value 38.2 |
|
Step 2
28112025 9076 Expt Table 2025.xls
|
temperature: 68-72atmosphere: N2time_h: 0.15 h initial; 1.15 hr feed; 3.5 h |
Epomine SP- 018 Toluene AIBN catalyst 2 ethyl hexyl acrylate AIBN catalyst
|
Stirrer well and disperse amine; Feed; Initially turbid / After 1 hr clear mass
—
|
— |
|
Step 3
28112025 9076 Expt Table 2025.xls
|
temperature: 58-60atmosphere: N2time_h: 2.5 hr (Step-2 product row); feed slowly over 30 min (Step-1 product row) |
Step - 1 Product Step - 2 Product AIBN catalyst 2 ethyl hexyl acrylate
|
Brownish pinkish
appearance after reaction
—
|
iodine_value 15.5 |
No test results linked to this batch yet.
Where this record comes from
28112025 9076 Expt Table 2025.xls
— researcher summary (cross-check)
Something wrong on this page? Record a correction
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Field-by-field provenance (4 fields) — for auditors
1 extraction fragments · merged 2026-08-25 · 0 human-validated fields
Fix a wrong or missing extraction side-by-side with the original:
expt-block--35
| Field | Source | Extractor | Conf. |
|---|---|---|---|
| process_steps[0] | 28112025 9076 Expt Table 2025.xls sheet 9076_Experiments, batch block '35' | qwen-tasks/extract-expt-block.md@unversioned | medium |
| process_steps[1] | 28112025 9076 Expt Table 2025.xls sheet 9076_Experiments, batch block '35' | qwen-tasks/extract-expt-block.md@unversioned | medium |
| process_steps[2] | 28112025 9076 Expt Table 2025.xls sheet 9076_Experiments, batch block '35' | qwen-tasks/extract-expt-block.md@unversioned | medium |
| observations | 28112025 9076 Expt Table 2025.xls sheet 9076_Experiments, batch block '35' | qwen-tasks/extract-expt-block.md@unversioned | high |
Raw record JSON
{
"record_id": "exp-9076-035",
"project": "9076",
"aliases": [
"35"
],
"provenance": {
"fragments": [
"expt-block--35"
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"field_provenance": {
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"locator": "sheet 9076_Experiments, batch block '35'",
"confidence": "medium",
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"locator": "sheet 9076_Experiments, batch block '35'",
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"documents": [
{
"file": "docs/Project Expt Report/28112025 9076 Expt Table 2025.xls",
"role": "summary_table",
"link_basis": "alias match: 35",
"link_status": "rule"
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],
"validation": {
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"corrections_applied": []
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"process_steps": [
{
"step": 1,
"materials": [
{
"name": "Surfol R-1400 HV-59 (R-53/07032024)",
"qty_g": 250,
"role": "unknown",
"verbatim": "i) Surfol R-1400 HV-59 (R-53/07032024), 250",
"role_verbatim": "raw_material"
},
{
"name": "Phosphorous pentaoxide",
"qty_g": 8.5,
"role": "unknown",
"verbatim": "ii) Phosphorous pentaoxide, 8.5",
"role_verbatim": "reagent"
}
],
"procedure": [
{
"seq": 1,
"type": "reaction",
"temperature": "58",
"verbatim": "58 oC (first row, no time)"
},
{
"seq": 2,
"type": "reaction",
"temperature": "75",
"time_h": "4",
"atmosphere": "N2",
"verbatim": "75 oC, 4 h, N2"
},
{
"seq": 3,
"type": "workup",
"verbatim": "After digestion cool to RT and filter \nthrough Nylon mesh"
}
],
"conditions": {
"temperature": "58 / 75 (two-row Temp cell; no explicit ramp times)",
"atmosphere": "N2",
"time_h": "4 h (75 oC row)"
},
"results": [
{
"parameter": "acid_value",
"value": "38.2",
"verbatim": "38.2",
"note": "A.V. column cell; unit not stated in the cell."
}
]
},
{
"step": 2,
"materials": [
{
"name": "Epomine SP- 018",
"qty_g": 15,
"role": "unknown",
"verbatim": "i) Epomine SP- 018, 15 gm",
"role_verbatim": "raw_material"
},
{
"name": "Toluene",
"role": "solvent",
"verbatim": "ii) Toluene, 95 ml",
"note": "Qty given in ml, not g."
},
{
"name": "AIBN catalyst",
"qty_g": 0.052,
"role": "catalyst",
"verbatim": "iii) AIBN catalyst, 52 mg"
},
{
"name": "2 ethyl hexyl acrylate",
"qty_g": 85,
"role": "unknown",
"verbatim": "iv) 2 ethyl hexyl acrylate, 85 gm",
"role_verbatim": "raw_material"
},
{
"name": "AIBN catalyst",
"qty_g": 0.725,
"role": "catalyst",
"verbatim": "v) AIBN catalyst, 0.725 gm"
}
],
"procedure": [
{
"seq": 1,
"type": "reaction",
"temperature": "68-70",
"time_h": "0.15",
"verbatim": "Toluene, 95 ml, 68-70 oC, 0.15 h"
},
{
"seq": 2,
"type": "feed",
"temperature": "68-72",
"time_h": "1.15",
"atmosphere": "N2",
"verbatim": "2 ethyl hexyl acrylate, 85 gm, 68-72 oC, 1.15 hr feed, N2"
},
{
"seq": 3,
"type": "reaction",
"temperature": "68-72",
"time_h": "3.5",
"atmosphere": "N2",
"verbatim": "AIBN catalyst, 0.725 gm, 68-72 oC, 3.5 h, N2"
}
],
"conditions": {
"temperature": "68-72",
"atmosphere": "N2",
"time_h": "0.15 h initial; 1.15 hr feed; 3.5 h"
},
"results": [],
"remarks": "Stirrer well and disperse amine; Feed; Initially turbid / After 1 hr clear mass"
},
{
"step": 3,
"materials": [
{
"name": "Step - 1 Product",
"qty_g": 80,
"role": "intermediate",
"verbatim": "Step - 1 Product, 80 gm"
},
{
"name": "Step - 2 Product",
"qty_g": 20,
"role": "intermediate",
"verbatim": "Step - 2 Product , 20 gm"
},
{
"name": "AIBN catalyst",
"qty_g": 0.052,
"role": "catalyst",
"verbatim": "iii) AIBN catalyst, 52 mg"
},
{
"name": "2 ethyl hexyl acrylate",
"qty_g": 85,
"role": "unknown",
"verbatim": "iv) 2 ethyl hexyl acrylate, 85 gm",
"role_verbatim": "raw_material"
}
],
"procedure": [
{
"seq": 1,
"type": "feed",
"time_h": "30 min",
"atmosphere": "N2",
"verbatim": "Step - 1 Product, 80 gm, Feed slowly \nover 30 min, N2"
},
{
"seq": 2,
"type": "reaction",
"temperature": "58-60",
"time_h": "2.5",
"atmosphere": "N2",
"verbatim": "Step - 2 Product, 20 gm, 58-60 oC, 2.5 hr, N2"
}
],
"conditions": {
"temperature": "58-60",
"atmosphere": "N2",
"time_h": "2.5 hr (Step-2 product row); feed slowly over 30 min (Step-1 product row)"
},
"results": [
{
"parameter": "iodine_value",
"value": "15.5",
"verbatim": "IV-15.5",
"note": "Stray value outside the fixed columns (last column of the block, under the Remarks header); attributed to Step 3 as it is the final step. No unit stated in the cell."
}
],
"remarks": "Brownish pinkish \nappearance after reaction"
}
],
"observations": "Expt Table remarks: Brownish pinkish \nappearance after reaction"
}