CASUCOL 301

Casucol 301 acts as a rheology modifier, improving flow, workability, and consistency of gypsum and cement mixes.
Casucol 301 is widely applied in gypsum plasters, cement mortars, wall plasters, finishing coats, tile adhesives, and gypsum-based joint compounds.
Casucol 301 is also used in cement-based adhesives and repair mortars where controlled flow behavior and stability are required during application.

CAS Number: 69331-40-4
EC Number: Not publicly available/assigned in major regulatory databases for this proprietary product — many starch ether derivatives like CASUCOL products are not individually listed in the EC inventory under a specific EC number.
Composition class: Starch ether derivatives (modified starch)
Molecular Formula: Not defined as a single discrete chemical formula — CASUCOL 301 is a polymeric modified starch ether composed of repeating sugar units with substituents. 
Polymers and modified polysaccharides do not have one fixed molecular formula.
Molecular Weight: Not a single molecular weight — because it is a polymeric mixture with a distribution of chain lengths and degrees of substitution.

SYNONYMS:
Casucol 301, Casucol, Casucol PL, Casucol PL 1, Casucol S301, Casucol S, Starch Ethers (generic category)

Casucol 301 is a modified starch-ether–based additive mainly used in the construction and building materials industry, especially in gypsum- and cement-based dry-mix formulations.
Casucol 301's primary function is to modify rheology and improve the processing behavior of fresh mortars and plasters.

Casucol 301 is not a single pure molecule, so it does not have a well-defined chemical structure or a specific PubChem/ChemSpider entry typical for pure substances.
Instead Casucol 301 is a starch ether-type additive, similar to cellulose/starch derivatives used to modify rheology and processing behavior in building materials.

USES and APPLICATIONS of CASUCOL 301:
Casucol 301 is widely applied in gypsum plasters, cement mortars, wall plasters, finishing coats, tile adhesives, and gypsum-based joint compounds.
Casucol 301 is incorporated into dry-mix systems at low dosages to improve the consistency and handling of the mix after water addition.
In both hand-applied and machine-applied plasters, Casucol 301 helps achieve smooth, homogeneous pastes with good workability.
Casucol 301 is also used in cement-based adhesives and repair mortars where controlled flow behavior and stability are required during application.

-Typical Application Processes of Casucol 301:
Wall plaster (hand or machine applied).
Finishing plaster layers.
Gypsum building element adhesives and joint cements.

Cement-based tile adhesives and mortars.
Dosage in formulations is typically low (e.g., ~0.03–0.25 % relative to plaster or ~0.03–0.10 % relative to cement) depending on desired thickening/processing effect.

-Construction & Building Materials use of Casucol 301:
Casucol 301 is used primarily in dry-mix mortar systems and plaster formulations as an additive that:
Casucol 301 extends processing time of plaster pastes and cement mortars (delays set time).
Casucol 301 acts as a rheology modifier, improving flow, workability, and consistency of gypsum and cement mixes.

Casucol 301 functions as a binding component to improve paste cohesion and structural integrity.
Casucol 301 provides thickening and texturing effects for gypsum and cement-based adhesives.
Casucol 301 helps produce thixotropic slurries, enabling easier application and smoother finishes.

BENEFITS of CASUCOL 301:
One of the main benefits of Casucol 301 is its ability to improve workability and processing time of plaster and mortar systems.
Casucol 301 helps extend the open time, allowing easier application and finishing before setting occurs.
Casucol 301 provides effective viscosity control, which reduces segregation and bleeding in fresh mixes.

Casucol 301 also improves cohesion and internal stability, helping the material adhere better to surfaces and reducing sagging or slumping, especially on vertical applications.
Because Casucol 301 is effective at low dosages, it offers good performance efficiency without significantly increasing formulation cost.

CHARACTERISTICS of CASUCOL 301:
Casucol 301 is characterized by its thickening and rheology-modifying action, producing viscous and mildly thixotropic mixtures that are easy to apply but remain stable once in place.
Casucol 301 is compatible with lime, cement, gypsum, and common construction additives, making it suitable for a wide range of formulations.

As a starch-derived product, Casucol 301 is generally considered a low-hazard additive and does not release harmful substances once the building material has hardened.
Its powder form allows easy incorporation into dry-mix systems, and Casucol 301 disperses readily in water during mixing, ensuring uniform performance throughout the material.

FUNCTIONAL CHARACTERISTICS & BENEFITS of CASUCOL 301:
Casucol 301 adds specific performance advantages to construction mixes:
*Improved workability and pumpability of plasters and mortars.
*Viscosity control and thixotropy, reducing sagging and enhancing consistency.
*Enhanced cohesion and adhesion in cementitious pastes.
*Useful in cold/negative temperature conditions where flow and setting behavior require modification.
*Compatibility with common construction additives (e.g., water retention aids, retarders) supports formulation flexibility.
Overall, Casucol 301 is designed to optimize the performance of gypsum and cement-based building materials with improved processing time and handling properties.

MISCELLANEOUS NOTES of CASUCOL 301:
Casucol 301 belongs to a broader family of Casucol starch ethers and rheology modifiers along with related products like Opagel and Solvitose, which are also used to improve workability and performance of dry mix mortars.

Because it is a trade formulation, standard chemistry databases (e.g., PubChem, Wikipedia) do not have a discrete entry for “Casucol 301” itself; product-specific details and precise composition are available from manufacturer SDS or technical datasheets obtained from suppliers.

PHYSICAL and CHEMICAL PROPERTIES of CASUCOL 301:
Product Name: Casucol 301
CAS Number: 69331-40-4 (assigned to this trade product)
Chemical Nature: Modified starch ether (a class of cellulose/starch-based rheology modifiers and thickeners)
Product Form: White powder
Intended Industry: Construction (dry mix mortars, gypsum, and cement-based products)
Appearance: White powder
Physical Form: Dry granular/powder, suitable for dry mortar mixes

Solubility: Rapidly soluble/dispersible in cold water, forming viscous, thixotropic solutions even at low concentration
Viscosity Influence: Imparts viscous and thixotropic characteristics to aqueous slurries (helpful for plasters and mortars)
Compatibility: Performs well in the presence of lime and is compatible with common mortar additives (water retention aids, retarders, etc.)
Chemical Composition: Consists of modified polysaccharide chains (likely anionic/starch ether derivatives) rather than a single defined molecule; behaves as a thickener and binder modifier
Chemical Identity:

Product Name: CASUCOL 301
CAS Number: 69331-40-4
Composition Class: Starch ether derivatives (modified starch)
Appearance & Physical Properties:
Physical Form: Powder (dry solid)
Color: White powder
Engineered particle form to facilitate even dispersion in dry mixes
Rapid hydration upon contact with water

Solubility Details:
Very quickly soluble in cold water
Produces a viscous, thixotropic solution/slurry even at low concentrations
Solubility characteristics promote homogeneous distribution in gypsum/cement systems
Rheological Behavior:
Imparts viscosity increase and thixotropy (shear-dependent flow) to aqueous mixes, especially plaster and cement slurries
Extends processing time, modifies flow, improves workability

Storage Characteristics:
Stable as a dry powder if kept dry in closed bags
Typical recommended shelf-life: ~6 months in original packaging
Chemical Type: Starch ether (modified polysaccharide)
Usage Behavior: Extends processing time, modifies flow, improves workability
EC Number: Not publicly available / assigned in major regulatory databases for this proprietary product

Molecular Information:
Molecular Formula: Not defined as a single discrete chemical formula — CASUCOL 301 is a polymeric modified starch ether composed of repeating sugar units with substituents. Polymers and modified polysaccharides do not have a fixed molecular formula.
Molecular Weight: Not a single molecular weight — as a polymeric mixture with a distribution of chain lengths and degrees of substitution, there is no exact molecular weight value reported in public sources.

FIRST AID MEASURES of CASUCOL 301:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation: 
Fresh air.
*In case of skin contact: 
Take off immediately all contaminated clothing. 
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact: 
Rinse out with plenty of water. 
Call in ophthalmologist. 
Remove contact lenses.
*If swallowed:
After swallowing: 
Immediately make victim drink water (two glasses at most). 
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of CASUCOL 301:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains. 
Collect, bind, and pump off spills. 
Observe possible material restrictions. 
Take up dry. 
Dispose of properly. 
Clean up affected area.

FIRE FIGHTING MEASURES of CASUCOL 301:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2) 
Foam 
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of CASUCOL 301:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection. 
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A 
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of CASUCOL 301:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed. 
Dry.

STABILITY and REACTIVITY of CASUCOL 301:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available