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