Calcium ascorbate

  • Ascorbic acid calcium salt
  • L-Ascorbic acid, calcium salt (2:1)
  • Calci-C
  • Calcium diascorbate
Formula
(C6H8O6)2.Ca
Structure
Description
White to slightly yellow, odorless, crystalline powder.
Uses
Antioxidant for foods, Vitamin C source.

Registry Numbers and Inventories.
CAS
5743-27-1
EC (EINECS/ELINCS)
227-261-5
Beilstein/Gmelin
3767526
Beilstein Reference
4-18-00-03038
Swiss Giftliste 1
G-7922
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
2C6H7O6*Ca
Formula mass
392.33
Density
Soluble g/cm3 (20 C)

Hazards and Protection.
Storage
Keep containers tightly sealed. Store in a cool, dry area. Ensure all storage areas are well ventilated. Protect fom heat, moisture and light. Do not store in metal containers.
Handling
Avoid inhalation of dust. Wash hands and face thoroughly before work breaks and before going home. Take precautionary measures against static discharges. Avoid dust formation. Sources of ignition should be kept clear.
Protection
Protective glasses with side shields. Protective gloves (PVC/Rubber/Neoprene/ Nitrile/Butyl Rubber). Dust mask if exposure standard is likely to be exceeded. Suitable industrial clothing.
Respirators
NIOSH approved respirator, dust filter.
Small spills/leaks
Avoid dust formation. Sources of ignition should be kept clear. Clean up personnel should wear suitabel clothing and protective glasses, gloves and approved dust mask. Sweep or shovel up spills together with dust binding agent or use a vacuum cleaner. DO NOT let product directly enter drains or water courses. Place waste in labelled drums for disposal.
Stability
Aq solution oxidize quickly after prolonged storage calcium oxalate may ppt.
Incompatibilities
Strong oxidizing agents.
Decomposition
Oxides of carbon.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Health.
Poison_Class
-
Exposure effects
   Ingestion
Adverse effects are not expected.
   Inhalation
Inhalation of the dust or powder may result in slight respiratory irritation.
   Skin
Skin contact with the dust or powder is not expected to cause irritation. Skin sensitisation reactions may occur if this product is frequently handled by hypersensitive persons.
   Eyes
Eye contact with the dust or powder may result in slight irritation.

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
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
   Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
   Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Transport.