Datasheet
Product name: DOWSIL™ 744 RTV Sealant White
Revision Date: 11.09.2020
Version: 4.0
Page 8 of 15
Information on likely routes of exposure
Eye contact, Skin contact, Ingestion.
Acute toxicity (represents short term exposures with immediate effects - no chronic/delayed
effects known unless otherwise noted)
Acute oral toxicity
Very low toxicity if swallowed. Harmful effects not anticipated from swallowing small amounts.
As product: Single dose oral LD50 has not been determined.
Based on information for component(s):
LD50, Rat, > 5,000 mg/kg Estimated.
Information for components:
Methyltrimethoxysilane
LD50, Rat, male and female, 11,685 mg/kg
Acute dermal toxicity
Prolonged skin contact is unlikely to result in absorption of harmful amounts.
As product: The dermal LD50 has not been determined.
Based on information for component(s):
LD50, Rabbit, > 2,000 mg/kg Estimated.
Information for components:
Methyltrimethoxysilane
LD50, Rabbit, male and female, > 9,500 mg/kg OECD 402 or equivalent
Acute inhalation toxicity
Brief exposure (minutes) is not likely to cause adverse effects. Vapor from heated material
may cause respiratory irritation.
As product: The LC50 has not been determined.
Information for components:
Methyltrimethoxysilane
LC50, Rat, male and female, 6 Hour, vapour, > 7605 ppm OECD Test Guideline 403
Skin corrosion/irritation
Based on information for component(s):
Brief contact is essentially nonirritating to skin.
May cause drying and flaking of the skin.
Information for components:
Methyltrimethoxysilane
Brief contact may cause slight skin irritation with local redness.










