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Zinc oxide suppliers
Zinc oxide
- CAS:
- 1314-13-2
- MF:
- OZn
- MW:
- 81.39
Suppliers by country/region
Company Type
Properties
- Melting point:
- 1975 °C
- Boiling point:
- 1949.9°C (estimate)
- Density
- 5.6
- bulk density
- 200-700kg/m3
- refractive index
- 2.008~2.029
- Flash point:
- 27℃
- storage temp.
- Store at +5°C to +30°C.
- solubility
- 0.0016g/l insoluble
- form
- nanopowder
- Specific Gravity
- 5.61
- color
- White to pale yellow
- PH
- 7 (50g/l, H2O, 20℃)(slurry)
- Odor
- wh. to gray powd. or crystals, odorless, bitter taste
- Water Solubility
- 1.6 mg/L (29 ºC)
- Crystal Structure
- ZnO type
- crystal system
- Six sides
- Merck
- 14,10147
- Space group
- P63mc
- Lattice constant
a/nm b/nm c/nm α/o β/o γ/o V/nm3 0.32495 0.32495 0.52069 90 90 120 0.0476
- Dielectric constant
- 40.0（20℃）
- Exposure limits
- ACGIH: TWA 2 mg/m3; STEL 10 mg/m3
OSHA: TWA 5 mg/m3; TWA 15 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3; Ceiling 15 mg/m3
- Stability:
- Stable. Incompatible with magnesium, strong acids.
- InChIKey
- XLOMVQKBTHCTTD-UHFFFAOYSA-N
- CAS DataBase Reference
- 1314-13-2(CAS DataBase Reference)
- NIST Chemistry Reference
- Zinc oxide(1314-13-2)
- EPA Substance Registry System
- Zinc oxide (1314-13-2)
Safety Information
- Symbol(GHS)
GHS09
- Symbol(GHS)
GHS02,GHS07,GHS09
- Signal word
- Warning
- Signal word
- Danger
- Hazard statements
- H410
- Hazard statements
- H225-H319-H410
- Precautionary statements
- P210-P233-P240-P241-P273-P305+P351+P338
- Precautionary statements
- P273-P391-P501
- Hazard Codes
- N,Xn,F
- Risk Statements
- 50/53-20-43-36/38-20/21/22-67-66-10-11
- Safety Statements
- 60-61-7/9-36/37-26-16
- RIDADR
- UN 3077 9/PG 3
- OEB
- B
- OEL
- TWA: 5 mg/m3, Ceiling: 15 mg/m3
- WGK Germany
- 2
- RTECS
- ZH4810000
- TSCA
- Yes
- HazardClass
- 9
- PackingGroup
- III
- HS Code
- 28170000
- Hazardous Substances Data
- 1314-13-2(Hazardous Substances Data)
- Toxicity
- LD50 orally in Rabbit: > 5000 mg/kg
- IDLA
- 500 mg/m3
Use
Zinc oxide, ZnO, is a reactive white pigment prepared by vaporizing metallic zinc at a temperature of about 900°C in the presence of oxygen. As a pigment, ZnO is basic in nature and can react with certain types of acidic paint resins resulting in the formation of a brittle film on drying. Formation of such films leads to premature failure of paint. For this reason as well as because of its low RI,ZnO cannot compete for the hiding power of TiO2. Consequently, ZnO is rarely used as the sole pigment in modern coatings, although it finds some use in admixture with other pigments. ZnO is used in exterior house paints as a fungicide and in some can linings as a sulfide scavenger.
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