Is bismuth an oxychloride?
Bismuth oxychloride is a synthetically-created powder made by combining the natural elements oxygen, chlorine, and bismuth. Bismuth is the only non-toxic heavy metal, purified in a multi-step process before use in cosmetics.
Is bismuth oxychloride safe in cosmetics?
Is It Safe To Use? The FDA has approved bismuth oxychloride as a safe product to use in products for the face, eyes, lips and nails. Not only is it very common, but it is a very popular ingredient in both traditional and mineral makeup. However, skin irritation from bismuth oxychloride is not unusual.
What is the chemical formula of bismuth oxychloride?
BiFO
Chemical Identifiers
| CAS | 13520-72-4 |
|---|---|
| Molecular Formula | BiFO |
| Molecular Weight (g/mol) | 243.98 |
What is the name of BiOCl?
Bismuth oxychloride
Bismuth oxychloride is an inorganic compound of bismuth with the formula BiOCl. It is a lustrous white solid used since antiquity, notably in ancient Egypt.
Is bismuth oxychloride a white precipitate?
A white precipitate of bismuth(III) oxychloride will appear immediately as the equilibrium is displaced to the left by the increased concentration of water and reduction of the acid concentration.
What products have bismuth oxychloride?
Dating back to ancient Egypt, bismuth oxychloride is an inorganic compound of bismuth that is found in the majority of mineral cosmetics. Most commonly, it occurs in makeup products that provide pigment coverage such as blush, powder foundation, eyeshadow, and bronzer.
Why is bismuth oxychloride harmful?
Some people react to bismuth oxychloride due to its unique crystalline structure. What happens is that the crystals can “poke” at skin and get stuck in the pores, where the sharper “spokes” can cause irritation. This is more of a problem when bismuth oxychloride is the main ingredient in powder makeup.
Is BiOCl a basic salt?
Basic salts are thus mixed salt-oxides (e.g. bismuth(III) chloride oxide, BiOCl) or salt-hydroxides (e.g. lead(II) chloride hydroxide, Pb(OH)Cl).
Is bismuth oxychloride soluble in ammonia?
Dear Mariem Chalbi, bismuth trichloride easily hydrolyses in water to give bismuth oxide chloride, BiOCl (cf. In the presence of ammonia, hydrolysis will occur as well. However, BiCl3 is soluble in hydrochloric acid under formation of BiCl4– (see attached). It is also soluble in ethanol, diethyl ether, and acetone.
Does bismuth oxychloride cause acne?
Bismuth Oxychloride Some people with sensitive skin suffer from irritable reactions due to bismuth’s dry, powdery finish in makeup. According to the Green Beauty Team, this mineral ingredient also causes acne breakouts, including pimples, blackheads, and clogged pores.
Is bismuth oxychloride safe during pregnancy?
“These are women who react to so many ingredients that they’ll probably want to have their dermatologist perform skin patch tests to identify what might possibly cause a reaction,” she says. “For the vast majority of women, bismuth oxychloride is perfectly safe.”
What kind of fumes does bismuth oxychloride emit?
BISMUTH OXYCHLORIDE emits toxic fumes of chloride ion and bismuth when heated to decomposition (USCG, 1999). U.S. Coast Guard. 1999. Chemical Hazard Response Information System (CHRIS) – Hazardous Chemical Data. Commandant Instruction 16465.12C.
Can you use bismuth oxychloride in cosmetic products?
Bismuth oxychloride – Color additives exempt from certification and permanently listed for COSMETIC use. (None of these colors may be used in products that are for use in the area of the eye, unless otherwise indicated). Status: Cosmetics generally, including those for eye area – GMP – 73.2162
What kind of viruses can bismuth salts inhibit?
Bismuth salts inhibited plaque formation of all enteric viruses tested, which included four strains of rotavirus and one strain each of echovirus, reovirus, and poliovirus. The compounds had no direct virucidal effect at concentrations ranging from 0.025 to 2.5 mg/ml…