NICKEL OXIDE BLACK (NIOXB) Both Black and Green Nickel serve almost solely as a colorant. Depending on flux and ratio of alumina a wide varety of colors is possible. Minimum order quantity is 1 lb.
A powerful and refractory colorant that produces greys, blues, and yellows. It is more concentrated than nickel carbonate and as little as .02% gives a noticeable tint. Normal additions are 2-5%.
A Black to Gray powder.
Synonyms: Nickel (II) Oxide; Nickel Monoxide
CAS No.: 1313-99-1
Molecular Weight: 74.69
Chemical Formula: NiO
PHYSICAL STATE; APPEARANCE:
GREEN TO BLACK CRYSTALLINE POWDER
PHYSICAL DANGERS:
CHEMICAL DANGERS:
Reacts violently with iodine and hydrogen sulfide causing fire and explosion hazard.
OCCUPATIONAL EXPOSURE LIMITS:
TLV (as Ni): 0.2 mg/m3 A1 (ACGIH 2000.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.
INHALATION RISK:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed
EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritates the skin.
EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact may cause skin sensitization. Repeated or prolonged inhalation exposure may cause asthma. The substance may have effects on the lungs. This substance is carcinogenic to humans.
WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.