Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Industrial Additives Functions
- CAS No.
- 68439-57-6
- EC No.
- 270-407-8
- Technologies
- Chemical Structure
RCH=CHCH2--SO3Na R = CH3 (CH2)10-12
Features & Benefits
- Biodegradability
Product is readily biodegradable.
Applications & Uses
- Markets
- Applicable Processes
- Applications
POLYSTEP A-18-S is an economical, versatile, and biodegradable surfactant; it is supplied unbleached at high pH. POLYSTEP A-18-S is used in vinyl chloride latex manufacture. It is also used in acrylic and styrene acrylic latexes; it functions well at low levels. POLYSTEP A-18 and A-18-S showed better hydrolytic stability than to SLS.
Properties
- Physical Form
- Appearance
- Clear light brown liquid
- Typical Properties
| Value | Units | Test Method / Conditions | |
| pH | min. 11 | — | — |
| Actives Content (EW 315) | 39 | % | — |
| Pour Point | -4 | °C | — |
| Freeze Point | -7 | °C | — |
| Color (5% active) | max. 600 | % | Klett Colorimeter |
| Viscosity (at 25°C) | max. 250 | cPs | — |
| Flash Point | min. 94 | °C | — |
| Density (at 74°F) | 1.05 | g/ml | — |
| Critical Micelle Concentration (CMC) | 301 | mg/L | — |
| Regulated Volatile Organic Chemicals (Ethanol) | 0 | % | U.S. EPA |
| Surface Tension (at CMC) | 31 | dynes/cm | — |
Regulatory & Compliance
- Certifications & Compliance
- Chemical Inventories
- Clearances
- All components of POLYSTEP A-18-S are listed in the following countries; the registration numbers for the active ingredients are included in parentheses: Europe (EINECS 270-407-8), Japan (ENCS 2-2807), Canada (DSL 68439-57-6), Australia (AICS 68439-57-6), Philippines (PICCS 68439-57-6) and China (EICS Part 3).
- POLYSTEP A-18-S is available as Kosher Certified.
Safety & Health
- Toxicity
The product is slightly toxic orally (LD50 ~4000 mg/kg) and can cause minimal skin irritation and no eye irritation at 1%.
Packaging & Availability
- Standard Packaging
POLYSTEP A-18-S is available in drums (450 lb/204 kg) and in bulk quantities.
Storage & Handling
- Storage & Handling
Normal safety precautions (i.e., gloves and safety goggles) should be employed when handling POLYSTEP A-18-S. Avoid contact with eyes, nose or prolonged contact with the skin. Wash thoroughly after handling material. It is recommended that POLYSTEP A-18-S be stored in sealed containers and kept in a cool, dry place. The product may exhibit a tendency to separate if stored below about 50°F. Product should be warmed and agitated to ensure homogeneity prior to use. Preferred storage conditions are 80 - 100 °F.
Bulk Storage Information
POLYSTEP A-18-S should be stored in vessels of 316 stainless steel. Heating and agitation are recommended for outside storage. Material should be stored between 80 - 110°F. Use mild heat if needed avoiding the use of steam since it may impact product integrity. Recirculated warm water is recommended. Pumps, pipes and transfer lines should be 316 stainless steel.