Page 140 - Handbook of Adhesion Promoters

7.28 Silane+titanate 133

Composition: 70-90% octamethyltrisiloxane, >5-<10% 1-methoxyisopropyl orthosilicate, 1-5%
titanium tetrabutanolate; 70-90% heptane + 10-<20% vinyltrimethoxysilane + 1-5% titanium tet-
rabutanolate
Functional group: octamethyl; methoxy
PHYSICAL PROPERTIES
o
Boiling point, C: 98->150 Color: colorless, light straw, red
o
Kinematic viscosity, at 25 C, cSt: 1 Odor: slight, solvent
o
Specific gravity at 20 C: 0.7-0.82
o
Solubility in water at 25 C, g/l: incompatible with water
Thermal decomposition products: formaldehyde State: liquid
HEALTH AND SAFETY
HMIS: fire, health, reactivity: 3, 3, 0
o
Flash point, C: 30.8 NFPA: fire, health, reactivity: 3, 3-2, 0
Carcinogenicity: IARC, OSHA, NTP: no ingredient of this product present at levels greater than
or equal to 0.1% is identified as probable, possible or confirmed human carcinogen
TDG class: Flammable liquid, N.O.S. (Octamethyltrisiloxane, Organo Titanate), 3,III
ICAO/IATA class: Flammable liquid, N.O.S. (Octamethyltrisiloxane, Organo Titanate), 3,III
LD50, oral rat, mg/kg: >2000/octamethyltrisiloxane, 1530/1-methoxyisopropyl orthosilicate,
>2000/titanium tetrabutanolate; >5000/heptane, >5000/vinyltrimethoxysilane, >2000/titanium tet-
rabutanolate
LD50, dermal rabbit, mg/kg: not irritating; >2000/heptane, >3400/vinyltrimethoxysilane
3
LC50 inhalation, rat, mg/m : >2350ppm/4H/octamethyltrisiloxane
Hazardous combustion products: carbon oxides, SiO , formaldehyde, metal oxides
x
Labelling (hazardous ingredients): Octamethyltrisiloxane, Organo Titanate
Hazardous hydrolysis products: propan-1-ol
3
NIOSH REL, mg/m : 500/propan-1-ol, 150/butan-1-ol; 350/heptane
3
OSHA PEL, mg/m : 500/propan-1-ol, 300/butan-1-ol; 2000/heptane
ACGIH, ppm: 200/based on DCC OEL/octamethyltrisiloxane, 100/propan-1-ol, 20/butan-1-ol;
400/heptane, 500/STEL/heptane
NIOSH, ppm: 200/propan-1-ol, 500/propan-1-ol; 85/heptane
OSHA, ppm: 200/propan-1-ol, 100/butan-1-ol; 500/heptane UN/NA class: 1993
ENVIRONMENTAL IMPACT
EC50, green algae, 96h, mg/l: >0.0094/72H/octamethyltrisiloxane
EC50, Daphnia magna, 48h, mg/l: >0.020/octamethyltrisiloxane; 0.2/heptane, 167.7/vinylt-
rimethoxysilane
EC50, Rainbow trout, 96h, mg/l: >0.019/octamethyltrisiloxane; 191/vinyltrimethoxysilane
Biodegradation probability: octamethyltrisiloxane/not readily biodegradable; 51% vinylt-
rimethoxysilane/not readily biodegradable
Partition coefficient, log K : >4.00/octamethyltrisiloxane, 0.88/titanium tetrabutanolate; 4.5/hep-
oc
tane, 0.88/titanium tetrabutanolate, -2.00/vinyltrimethoxysilane