|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Methyl silicate | CAS 681-84-5 | ||
| (CH3O)4Si | RTECS VV9800000 | ||
|
Synonyms & Trade Names Methyl orthosilicate, Tetramethoxysilane, Tetramethyl ester of silicic acid, Tetramethyl silicate |
DOT ID & Guide 2606 155 |
||
|
Exposure Limits |
NIOSH REL: TWA 1 ppm (6 mg/m3) | ||
| OSHA PEL�: none | |||
| IDLH N.D. | Conversion 1 ppm = 6.23 mg/m3 | ||
|
Physical Description Clear, colorless liquid. [Note: A solid below 28°F.] |
|||
|
MW: 152.3 |
BP: 250°F |
FRZ: 28°F |
Sol: Soluble |
|
VP(77°F): 12 mmHg |
IP: ? |
|
Sp.Gr: 1.02 |
|
Fl.P: 205°F |
UEL: ? |
LEL: ? |
|
| Class IIIB Combustible Liquid: Fl.P. at or above 200�F. | |||
|
Incompatibilities & Reactivities Oxidizers; hexafluorides of rhenium, molybdenum & tungsten |
|||
|
Measurement Methods None available |
|
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily Remove: When wet or contaminated Change: No recommendation Provide: Eyewash |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately |
| Respirator Recommendations To be added later | |
| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, corneal damage (following even short-term exposure to the vapor); lung, kidney injury; pulmonary edema | |
|
Target Organs
Eyes, respiratory system, kidneys |
|
| See also: INTRODUCTION |