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CAS 9005-65-6 Polysorbate 81 Tween 81 Medium HLB for Flexible Emulsion Design
Product Summary
Polysorbate 81 (Tween 81) is a moderately lipophilic nonionic emulsifier with HLB 10.0. It offers excellent emulsifying, dispersing, stabilizing, and lubricating properties, resistant to acids/alkalis. Widely used in daily chemical, pesticide, coating, textile, food, and pharmaceutical industries as W/O/O/W emulsifier, dispersant, and stabilizer.
Basic Properties
Place of Origin:
China
Brand Name:
Shengtian
Trading Properties
Product Description
Polysorbate 81 (Tween 81) CAS 9005-65-6, Nonionic Surfactant with Medium HLB for Flexible Emulsion Design
Polysorbate 81 (Tween 81), chemical name Polyoxyethylene (5) sorbitan monooleate, HLB value 10.0, is a moderately lipophilic nonionic emulsifier. It is an amber-colored, viscous, oily liquid, slightly soluble in water and readily soluble in organic solvents; it is resistant to acids and alkalis, has good compatibility, and excellent emulsifying, dispersing, stabilizing, and lubricating properties.
Product Specifications
| Specifications | Appearance (25℃) | Hydroxyl value (mgKOH/g) | Saponification value (mgKOH/g) | Acid value (mgKOH/g) | Moisture (%) | HLB value | Specific Gravity |
|---|---|---|---|---|---|---|---|
| T-20 | amber-colored viscous liquid | 90～110 | 40～50 | ≤2.0 | ≤3 | 16.5 | 1.08～1.13 |
| T-40 | pale yellow waxy solid | 85～100 | 40～55 | ≤2.0 | ≤3 | 15.5 | 1.05～1.10 |
| T-60 | pale yellow waxy solid | 80～105 | 40～55 | ≤2.0 | ≤3 | 14.5 | 1.05～1.10 |
| T-80 | amber-colored viscous oily substance | 65～82 | 43～55 | ≤2.0 | ≤3 | 15 | 1.06～1.09 |
Product Features
- Product Name: Polysorbate 81 (Tween 81)
- Other Name: Polyoxyethylene (5) Sorbitan Monooleate, Emulsifier Tween 81, Polysorbate 81, Tween 81
- Chemical Composition: Polyoxyethylene sorbitan fatty acid ester
- Type: Nonionic surfactants
- CAS: 9005-65-6
Packaging & Shipping
Packaged in 200kg plastic drums; store and transport as general chemicals. Store in a dry, well-ventilated place.
Shelf life: 2 years.
Applications
Polysorbate 81 (Tween 81) is suitable for refined applications in various industries and can be used as a W/O and O/W transitional emulsifier, dispersant, stabilizer, and coupling agent. It is widely used in:
- Daily Chemical Industry: Formulation emulsification, foam stabilization, and system blending
- Pesticide Industry: System dispersion and emulsification
- Coating Industry: System dispersion and emulsification
- Textile Industry: Emulsifying carrier for spinning oils and auxiliaries
- Food Industry: Formulation emulsification and system stability
- Pharmaceutical Industry: Formulation emulsification and system stability
Product Details
Highlight:
9005-65-6 polysorbate 81
,polysorbate 81 tween 81
,9005-65-6 polysorbate 60
Hydroxyl Value:
65～82 MgKOH/g
Acid Value:
≤2.0 MgKOH/g
Saponification Value:
43～55 MgKOH/g
Moisture:
≤3%
HLB Value:
10
Specific Gravity:
1.06～1.09
CAS Number:
9005-65-6
Type:
Nonionic Surfactant
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