Note: Ingredients listed on restricted chemical lists
EC/CAS
100-42-5
Name of the chemical
Styrene ( Vinyl benzene )
Concentration
20-30%
General Information
Version
0002
Revision date
2026-01-13
Product name
DEXARES 423
Chemical name
Polyester Resin
1.2.1 Relevant identified uses
Filament winding, pultrusion resin
Emergency telephone
+2731 713 0699, 1-800-424-9300, +1 703-527-3887
Icons in SDS
Company Information
company name
NCS SOUTH AFRICA (PTY) LTD
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H226, H315, H319, H332, H335, H361, H372, H412
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
GHS Classification Acute toxicity – Dermal, Category 4 Acute toxicity - Inhalation (Vapors), Category 4 Skin corrosion/irritation, Category 2 Serious eye damage/eye irritation, Category 2A Aspiration hazard, Category 1 Carcinogenicity, Category Group A4 (ACGIH) Specific target organ toxicity - single exposure, Category 3 Specific target organ toxicity - repeated exposure, Category 1 Chronic aquatic toxicity, Category 3 Flammability, Category 3
Signal word
Danger
Hazard statements
H226 : Flammable liquid and vapour H315 : May cause skin irritation H319 : May cause eye irritation H332 : May be harmful if inhaled H335 : May cause respiratory irritation H361 : Suspected of damaging fertility or the unborn child H372 : Causes damage to organs (hearing organs) through prolonged or repeated exposure H412 : Harmful to aquatic life with long lasting effects
Prevention
P210 : Keep away from heat/sparks/open flames/hot surfaces – No smoking P261 : Avoid breathing vapours P273 : Avoid release to the environment P280 : Wear protective gloves/protective clothing/eye protection/face protection.
Response
P301 + P310 : IF SWALLOWED: Immediately call a POISON CENTER/ doctor. P303 + P361 + P353 : IF ON SKIN (or hair): Remove/ Take off immediately all contaminated clothing. Rinse skin with water/shower. P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor if you feel unwell P305+P351+P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P331 : Do NOT induce vomiting
Storage
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
Potential health effects
Inhalation : At high vapour/fog concentrations: Risk of irritation of respiratory system. Skin contact : Irritating to skin. Risk of skin sensitization Eye contact : Slightly irritating to eyes Ingestion : Potential for aspiration if swallowed. This material may enter the lungs during vomiting.
Environmental effects
Unknown aquatic toxicity 66.7% of the mixture consists of components(s) of unknown hazards to the aquatic
Other physicochemical hazards
Flammable liquid. Thermal decomposition giving toxic decomposition products: See chapter 10
2.1 Classification of the substance or mixture
Acute toxicity – Dermal, Category 4 Acute toxicity - Inhalation (Vapors), Category 4 Skin corrosion/irritation, Category 2 Serious eye damage/eye irritation, Category 2A Aspiration hazard, Category 1 Carcinogenicity, Category Group A4 (ACGIH) Specific target organ toxicity - single exposure, Category 3 Specific target organ toxicity - repeated exposure, Category 1 Chronic aquatic toxicity, Category 3 Flammability, Category 3 0002