|Monthly Tech-Tip |
CAS Number : 497-19-8
Molecular Formula: Na2CO3
This product is absorbed by the respiratory and digestive tracts.
Irritation of the eyes.
Irritation of the higher respiratory tract, pulmonary irritation.
It can cause redness, oedema.
The inhalation of the product can worsen preexistent respiratory problems such as asthma, emphysema and bronchitis.
Skin contact can worsen a preexistent dermatitis.
A study on several animal species suggests the absence of effects on antenatal development.
No data concerning the effects on reproduction has been found in the consulted documentary sources.
No data concerning its excretion or detection in mother's milk has been found in the consulted documentary sources.
No data concerning a carcinogenic effect has been found in the consulted documentary sources.
No data concerning a mutagenic effect has been found in the consulted documentary sources.
Rinse the eyes with water for at least 15 minutes. Seek medical help immediately.
Bring the individual into a ventilated place and make sure he is still breathing. If there are respiratory problems, give oxygen if there is any available. If the victim does not breathe, give him artificial respiration. Call a physician.
If the individual is conscious, make him drink water. Do not give anything by mouth to an unconscious person. Do not induce vomiting, call a doctor.
Quickly withdraw contaminated clothing. It is necessary to wash skin with water and soap during 5 minutes. Seek medical help if irritation develops.
This product is unstable under the following conditions: it absorbs humidity from air (hygroscopic). Moreover, there is formation of hydrates from contact with humidity.
Wear ocular protection. Avoid any skin contact. Ventilate adequately, if not carry a suitable breathing apparatus.
Store in an airtight container placed in a dry place. Do not store in a container made of aluminium or zinc.
By Edouard Bastarache
Sodium Carbonate Heptahydrate
Sodium Carbonate Decahydrate
Article by Edouard Bastarache
Edouard Bastarache is a well known doctor that has written many articles on the subject of toxicity of ceramic materials and books on technical aspects of ceramics. He writes in both English and French.