Contents
- Product Overview
- Specification Comparison
- Key Applications
- Usage Guidelines
- Industry Case Studies
- Client Success Stories
- Request Consultation
Polyoxyethylene Stearate (CAS 9004-99-3) Technical Overview
Basic Specifications
| Parameter | Value |
|---|---|
| Chemical Name | Polyoxyethylene stearate |
| CAS Number | 9004-99-3 |
| Molecular Formula | C17H35COO(CH2CH2O)nH |
| Molecular Weight | 400-5000 g/mol (variable) |
| Appearance | White to cream waxy solid |
| Solubility | Water-soluble (thermoreversible) |
| HLB Value | 8.0-18.5 (depending on EO units) |
| Melting Point | 40-55°C |
| Density | 1.03-1.08 g/cm³ |
Performance Comparison Chart
| Feature | PEG-8 Stearate | PEG-40 Stearate | Polysorbate 80 |
|---|---|---|---|
| HLB Value | 8.0-10.5 | 16.5-18.5 | 15.0 |
| Solubility | Oil-soluble | Water-soluble | Water-soluble |
| Primary Use | W/O emulsifier | O/W emulsifier | Solubilizer |
| pH Stability | 4.0-8.0 | 3.0-9.0 | 3.0-8.0 |
| Viscosity (25°C) | 200-400 cP | 500-800 cP | 400-600 cP |
Industrial Applications
Core Functional Uses
- Emulsification: Stabilizes oil-water interfaces in cosmetic creams
- Wetting Agent: Reduces surface tension in agrochemical formulations
- Solubilizer: Enhances API dissolution in pharma preparations
- Processing Aid: Improves flow properties in polymer production
- Lubricant: Reduces friction in metalworking fluids
Formulation Guidelines
Optimal Usage Parameters
| Application | Concentration Range | Temperature | Mixing Method |
|---|---|---|---|
| Cosmetic Emulsions | 1-5% w/w | 60-75°C | High-shear homogenization |
| Pharmaceutical Ointments | 2-8% w/w | 45-60°C | Propeller mixing |
| Industrial Lubricants | 0.5-3% w/w | RT-40°C | Slow agitation |
Implementation Case Studies
Pharmaceutical Application
Challenge: Stabilizing hydrophobic API in topical gel
Solution: 4% PEG-30 Stearate incorporation
Result: 92% bioavailability improvement
Cosmetic Formulation
Challenge: Phase separation in SPF 50 emulsion
Solution: 3% PEG-20 Stearate as co-emulsifier
Result: 18-month stability at 40°C
Verified Client Implementations
Case 1: European Pharma Manufacturer
Product: Dermatological Cream
Usage: 6% PEG-15 Stearate
Outcome: Reduced manufacturing costs by 22% through improved emulsion stability
Case 2: Asian Cosmetic Brand
Product: Anti-Aging Serum
Usage: 2.5% PEG-25 Stearate
Outcome: Achieved 98% consumer satisfaction for texture
Technical Consultation Request
Contact our formulation experts:
Email: info@vivalr.com
Phone: (86) 15866781826
相关产品
Chemical Name: o-Xylene
Synonyms: 1,2-Dimethylbenzene; ortho-xylene
CAS No.: 95-47-6
Molecular Formula: C8H10
Molecular Weight: 106.17
Chemical Name: DL-4-Chlorophenylglycine
Cas No.: 6212-33-5
Molecular Fomula: C8H8ClNO2
Molecular Weight: 185.61
Chemical Name: 1,5-Diphenylcarbazide
Synonyms: 1,5-Diphenylcarbohydrazide; 2,2’-diphenylcarbazide; Diphenylcartazide; sym-diphenylcarbazide
CAS No.: 140-22-7
Molecular Formula: C13H14N4O
Molecular Weight: 242.28
Chemical Name: Potassium Castorate
CAS No.: 8013-05-6
Molecular Formula: C57H107K3O12
Molecular Weight: 1101.74718
Appearance: Yellow Liquid
Chemical Name: 4-((2-Furylmethyl)thio)-4-methylpentan-2-one
Cas No.: 64835-96-7
Molecular Fomula: C11H16O2S
Molecular Weight: 212.31
Appearance: Colorless to light yellow liquid
Chemical Name: D-PANTOTHENIC ACID
CAS No.: 79-83-4
Molecular Formula: C9H17NO5
Molecular Weight: 219.24
Appearance: Colorless or Light Yellow Oily Liquid
Chemical Name: Isoflavone
Synonyms: Soy Isoflavone; Soybean Lsoflavones; 3-Phenylchromen-4-one; 3-Phenylchromone
CAS No.: 574-12-9
Molecular Formula: C15H10O2
Molecular Weight: 222.24
Appearance: Powder
Chemical Name: alpha-Hexylcinnamaldehyde
CAS No.: 101-86-0
Molecular Formula: C15H20O
Molecular Weight: 216.32
Appearance: Yellow Liquid
Chemical Name: Zinc citrate
Synonyms: Zinc citrate trihydrate
CAS No.: 546-46-3
Molecular Formula: C6H8O7Zn
Molecular Weight: 257.5
Appearance: White powder
Chemical Name: Dehydrocholic acid
Synonyms: Acide dehydrocholique; Triketocholanic acid
CAS No.: 81-23-2
Molecular Formula: C24H34O5
Molecular Weight: 402.53
Appearance: Powder
Chemical Name: 1-[9-ethyl-6-(4-fluoro-benzoyl)-9H-carbazol-3-yl]-ethanone
Cas No.: 876907-97-0
Molecular Fomula: C23H18FNO2
Molecular Weight: 359.39
评论
目前还没有评论。