Note: Ingredients listed on restricted chemical lists
EC/CAS
101-68-8
Name of the chemical
4,4’-Methylenediphenyl diisocyanate
Concentration
>=0.5-<=1.5
EC/CAS
14808-60-7
Name of the chemical
Silica, crystalline
Concentration
>=0.1-<=1
General Information
Revision date
2025-12-03
Product name
Sikaflex -221
Emergency telephone
800-424-9300, +1-703-527-3887
Icons in SDS
Company Information
company name
Sika Corporation
e-mail address of the competent person responsible for the Safety Data Sheet
ehs@sika-corp.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H317, H334, H350, H373
Hazard statements
Code
Statements
H317
May cause an allergic skin reaction
Section 2
SECTION 2: Hazards identification
Other hazards
Intentional misuse by deliberate concentration and inhalation of vapor may be harmful or fatal
Signal word
Danger
Hazard statements
H317 May cause an allergic skin reaction. H334 May cause allergy or asthma symptoms or breathing diffi- culties if inhaled. H350 May cause cancer by inhalation. H373 May cause damage to organs through prolonged or re- peated exposure if inhaled.
Prevention
P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe mist or vapors. P272 Contaminated work clothing must not be allowed out of the workplace. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P284 Wear respiratory protection.
Response
P302 + P352 IF ON SKIN: Wash with plenty of water. P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P333 + P313 If skin irritation or rash occurs: Get medical advice/ P342 + P311 If experiencing respiratory symptoms: Call a POISON CENTER/ doctor. P362 + P364 Take off contaminated clothing and wash it before reuse.
Storage
P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste dis- posal plant.
Additional information
There are no ingredients with unknown acute toxicity used in a mixture at a concentration >= 1% Intentional misuse by deliberate concentration and inhalation of vapor may be harmful or fatal.
2.1 Classification of the substance or mixture
1910.1200) Respiratory sensitization : Category 1 Skin sensitization : Category 1 Carcinogenicity (Inhalation) : Category 1A Specific target organ toxicity : Category 2 - repeated exposure (Inhala- tion) Other hazards Intentional misuse by deliberate concentration and inhalation of vapor may be harmful or fatal.
