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| tert-Butyl chromate | CAS 1189-85-1 | ||
| [(CH3)3CO]2CrO2 | RTECS GB2900000 | ||
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Synonyms & Trade Names di-tert-Butyl ester of chromic acid |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: Ca TWA 0.001 mg Cr(VI)/m3 See Appendix A See Appendix C | ||
| OSHA PEL: C 0.1 mg CrO3/m3 [skin] See Appendix C | |||
| IDLH Ca [15 mg/m3 {as Cr(VI)}] | Conversion | ||
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Physical Description Liquid. [Note: Solidifies at 32-23°F.] |
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MW: 230.3 |
BP: ? |
FRZ: 32-23°F |
Sol: ? |
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VP: ? |
IP: ? |
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Sp.Gr: ? |
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Fl.P: ? |
UEL: ? |
LEL: ? |
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Incompatibilities & Reactivities Reducing agents, moisture, acids, alcohols, hydrazine, combustible materials |
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Measurement Methods NIOSH 7604; OSHA ID103, ID215 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated/Daily Remove: When wet or contaminated Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, respiratory system; eye, skin burns; drowsiness, muscle weakness; skin ulcers; lung changes; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, respiratory system, central nervous system Cancer Site [lung cancer] |
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| See also: INTRODUCTION |