Melting point :1380℃(lit.)
Boiling point :1498.77°C (estimate)
Density :4.72 g/mL at 25 °C(lit.)
vapor pressure :0.001Pa at 20℃
solubility :diethyl ether: insoluble(lit.)
form :Crystalline
pka :0.019[at 20 ℃]
Specific Gravity :4.72
color :Pale yellow
Water Solubility :2.51 g/100 mL
Sensitive :Hygroscopic
Crystal Structure :Rutile type
crystal system :square
Merck :14,6508
Space group :P42/mnm
Lattice constant :

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.465	0.465	0.3084	90	90	90	0.0667

Exposure limits :ACGIH: TWA 2.5 mg/m3; TWA 0.1 mg/m3
NIOSH: IDLH 10 mg/m3; IDLH 250 mg/m3; TWA 2.5 mg/m3; TWA 0.015 mg/m3 Stability :hygroscopic
CAS DataBase Reference :10028-18-9(CAS DataBase Reference)
NIST Chemistry Reference :Nickel difluoride(10028-18-9)
EPA Substance Registry System :Nickel fluoride (NiF2) (10028-18-9)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501 H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.