Certifications 2
MSDS-No.: 153465 
V005.0 
Loctite 272 Threadlocker 
Page 9 of 14 
SECTION 11: Toxicological information 
11.1. Information on toxicological effects 
General toxicological information: 
The mixture is classified based on the available hazard information for the ingredients as defined in the classification criteria for 
mixtures for each hazard class or differentiation in Annex I to Regulation 1272/2008/EC. Relevant available health/ecological 
information for the substances listed under Section 3 is provided in the following.  
STOT-single exposure: 
May cause respiratory irritation.  
Oral toxicity: 
May cause irritation to the digestive tract.  
Skin irritation: 
Causes skin irritation.  
Eye irritation: 
Causes serious eye damage.  
Sensitizing:  
May cause an allergic skin reaction.  
Acute oral toxicity: 
Hazardous components 
CAS-No. 
Value 
type 
Value 
Route of 
application 
Exposure 
time 
Species 
Method 
N,N-(m-
phenylene)dimaleimide 
3006-93-7 
LD50 
2.025 mg/kg 
oral 
rat 
Hydroxypropyl 
methacrylate 
27813-02-1 
LD50 
> 2.000 mg/kg 
oral 
rat 
OECD Guideline 401 (Acute 
Oral Toxicity) 
Cumene hydroperoxide 
80-15-9 
LD50 
550 mg/kg 
oral 
rat 
Maleic acid 
110-16-7 
LD50 
708 mg/kg 
oral 
rat 
Acute dermal toxicity: 
Hazardous components 
CAS-No. 
Value 
type 
Value 
Route of 
application 
Exposure 
time 
Species 
Method 
Hydroxypropyl 
methacrylate 
27813-02-1 
LD50 
> 5.000 mg/kg 
dermal 
rabbit 
Maleic acid 
110-16-7 
LD50 
1.560 mg/kg 
dermal 
rabbit 
Skin corrosion/irritation: 
Hazardous components 
CAS-No. 
Result 
Exposure 
time 
Species 
Method 
Cumene hydroperoxide 
80-15-9 
corrosive 
rabbit 
Draize Test 
Germ cell mutagenicity: 
Hazardous components 
CAS-No. 
Result 
Type of study / 
Route of 
administration 
Metabolic 
activation / 
Exposure time 
Species 
Method 
Cumene hydroperoxide 
80-15-9 
positive 
bacterial reverse 
mutation assay (e.g 
Ames test) 
without 
OECD Guideline 471 
(Bacterial Reverse Mutation 
Assay) 
Cumene hydroperoxide 
80-15-9 
negative 
dermal 
mouse 










