FREEMIND
PHARMA & CHEMICALS
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Propylene glycol alginate
CAS No.
9005-37-2
Synonyms
PGA; Hydroxypropyl alginate; E405; also listed as Propylene Glycol Alginate (PGA)
Molecular formula
Not applicable — polymeric or multi-component material
Molecular weight
Not specified in the supplied record.
Grade
Food grade
Packaging
Food-grade PE bag / Kraft paper bag with food-grade PE liner
Chemical Product Description & Applications
Specifications
| Parameter | Specification | Test Method |
|---|---|---|
| Appearance | White to pale yellow powder | Visual inspection |
| Identification | Consistent with authenticated reference | FTIR fingerprint comparison |
| Viscosity, 1% aqueous solution at 25 C | 20-100 mPa.s | Brookfield LV, spindle 1, 60 rpm |
| Degree of esterification | ≥80% | Saponification and back-titration |
| Loss on drying | ≤20% w/w | Gravimetric drying |
| pH, 1% aqueous solution at 25 C | 3.0-4.5 | Calibrated pH meter |
Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.
Documents & Handling
Packaging
Food-grade PE bag / Kraft paper bag with food-grade PE liner
What You Get With This Product
【待客户提供：本产品可公开的批次 CoA、TDS、SDS；按产品名或 CAS 命名的 PDF，用于本页文档申请区】
【待客户提供：本产品储存条件、保质期与特殊运输要求；经确认的文字或 SDS/TDS，用于储运说明】
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