|
|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Trimethyl phosphite |
CAS 121-45-9 | ||
(CH3O)3P |
RTECS TH1400000 | ||
|
Synonyms & Trade Names Methyl phosphite, Trimethoxyphosphine, Trimethyl ester of phosphorous acid |
DOT ID & Guide 2329 129 |
||
Exposure
|
NIOSH REL: TWA 2 ppm (10 mg/m3) | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 5.08 mg/m3 | ||
|
Physical Description Colorless liquid with a distinctive, pungent odor. |
|||
|
MW: 124.1 |
BP: 232°F |
FRZ: -108°F |
Sol: Reacts |
|
VP(77°F): 24 mmHg |
IP: ? |
|
Sp.Gr: 1.05 |
|
Fl.P: 82°F |
UEL: ? |
LEL: ? |
|
| Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F. | |||
|
Incompatibilities & Reactivities Magnesium perchlorate, water [Note: Reacts (hydrolyzes) with water.] |
|||
|
Measurement Methods None available See: NMAM or OSHA Methods |
|
Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
|
Important additional information about respirator selection Respirator Recommendations Not available. |
|
| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, upper respiratory system; dermatitis; in animals: teratogenic effects | |
|
Target Organs
Eyes, skin, respiratory system, reproductive system |
|
| See also: INTRODUCTION |