Melting point :-42 °C
Boiling point :120.5 °C(lit.)
Density :1.41 g/mL at 20 °C
vapor density :1 (vs air)
vapor pressure :8 mm Hg ( 20 °C)
Flash point :120.5°C
storage temp. :Store at +2°C to +25°C.
solubility :Miscible with water.
pka :-1.3(at 25℃)
form :Liquid, Double Sub-Boiling Quartz Distillation
color :colorless to deep yellow
Specific Gravity :d 20/4　1.4826
Odor :Suffocating fumes detectable at <5.0 ppm
PH Range :1
PH :3.01(1 mM solution);2.04(10 mM solution);1.08(100 mM solution);
Water Solubility :>100 g/100 mL (20 ºC)
Sensitive :Hygroscopic
Merck :14,6577
Exposure limits :TLV-TWA 2 ppm (5 mg/m³) (ACGIH, MSHA, OSHA, and NIOSH); STEL 4 ppm (～10 mg/m³) (ACGIH).
Dielectric constant :55.0（14℃）
LogP :-0.773 (est)
CAS DataBase Reference :7697-37-2(CAS DataBase Reference)
NIST Chemistry Reference :Nitric acid(7697-37-2)
EPA Substance Registry System :Nitric acid (7697-37-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H272 May intensify fire; oxidizer Oxidising liquids;Oxidising solids Category 2 Category 3 Danger Warning P210, P220, P221P280, P370+P378,P501 H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P220 Keep/Store away from clothing/…/combustible materials. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.