tert-Butyl chromate

  • di-tert-Butyl chromate
  • di-tert-Butyl ester of chromic acid
Formula C8H18CrO4
Structure
Description Red crystals or liquid. Unstable except in solution.

Registry Numbers and Inventories.
CAS 1189-85-1
RTECS GB2900000
RTECS class Other
Beilstein/Gmelin 3662582
Beilstein Reference 4-01-00-01614
Swiss Giftliste 1 G-1327

Properties.
Formula C8H18CrO4
Formula mass 230.26
Melting point, °C -5
Solubility in water Reacts

Hazards and Protection.
Storage Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks If you should spill this chemical, use absorbent paper to pick up all liquid spill material. Seal the absorbent paper, as well as any of your clothing which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Wash any surfaces you may have contaminated with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
Stability No data.
Incompatibilities Avoid contact with reducing agents, moisture, acids, alcohols, hydrazine, combustible materials

Fire.
Fire fighting Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.
Hazards this compound is flammable.

Health.
Exposure limit(s) 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)}]
Carcinogin I-1, N-1, CP65
Poison_Class 1
Exposure effects
   Ingestion See inhalation.
   Inhalation Symptoms: irritation eyes, skin, respiratory system; eye, skin burns; drowsiness, muscle weakness; skin ulcers; lung changes; [Potential occupational carcinogen] Target Organs: Eyes, skin, respiratory system, central nervous system.
   Skin See inhalation.
   Eyes See inhalation.

First aid		  
   Ingestion Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. IMMEDIATELY call a physician and be prepared to transport the victim to a hospital even if no symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
   Skin IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. IMMEDIATELY call a hospital or poison control center even if no symptoms (such as redness or irritation) develop. IMMEDIATELY transport the victim to a hospital for treatment after washing the affected areas.
   Eyes First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Transport.
USCG CHRIS Code CCD