Product Name

  • Name

    HOLMIUM NITRATE

  • EINECS 233-438-8
  • CAS No. 10168-82-8
  • Density g/cm3
  • Solubility Very soluble in water.
  • Melting Point 91-92ºC
  • Formula HN O3 . 1/3 Ho
  • Boiling Point 83 °C at 760 mmHg
  • Molecular Weight 350.96
  • Flash Point °C
  • Transport Information UN 1477 5.1/PG 3
  • Appearance Light yellow to green crystals. Odorless.
  • Safety 17-26-36/37/39
  • Risk Codes 8-36/37/38
  • Molecular Structure Molecular Structure of 10168-82-8 (HOLMIUM NITRATE)
  • Hazard Symbols OxidizingOIrritantXi
  • Synonyms Holmiumnitrate (6CI,7CI); Nitric acid, holmium(3+) salt (8CI,9CI); Holmium nitrate(Ho(NO3)3); Holmium trinitrate; Holmium(III) nitrate
  • PSA 206.64000
  • LogP 0.85230

Holmium trinitrate Chemical Properties

IUPAC Name: holmium(3+) trinitrate
Synonyms of Holmium trinitrate (CAS NO.10168-82-8): Holmium nitrate ; EINECS 233-438-8 ; NSC 134436 ; Holmium trinitrate ; Nitric acid, holmium(3+) salt ; Nitric acid, holmium(3+) salt (3:1)
CAS NO: 10168-82-8
Molecular Formula of Holmium trinitrate (CAS NO.10168-82-8): HoN3O9 
Molecular Weight: 350.945  
H bond acceptors: 4
H bond donors: 1
Freely Rotating Bonds: 0
Polar Surface Area: 66.05 Å2 
Enthalpy of Vaporization: 37.72 kJ/mol
Boiling Point: 83 °C at 760 mmHg
Vapour Pressure: 49.8 mmHg at 25°C
Molecular Structure:

Holmium trinitrate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 247mg/kg (247mg/kg)   Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
rat LD50 intraperitoneal 208mg/kg (208mg/kg)   Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
rat LD50 oral 2313mg/kg (2313mg/kg)   Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.

Holmium trinitrate Safety Profile

Hazard Codes of Holmium trinitrate (CAS NO.10168-82-8): OOxidizing,XiIrritant 
Risk Statements: 8-36/37/38
R8: Contact with combustible material may cause fire. R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 17-26-36/37/39
S17: Keep away from combustible material. S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 1477 5.1/PG 3
WGK Germany: 3
HazardClass: 5.1
PackingGroup: II
Poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx. See also HOLMIUM, RARE EARTHS, and NITRATES.

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