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