CEROUS NITRATE, HYDRATED
Cerium (III) nitrate hexahydrate
CAS: 10294-41-4
Molecular Formula: CeH3NO4
CEROUS NITRATE, HYDRATED - Names and Identifiers
CEROUS NITRATE, HYDRATED - Physico-chemical Properties
| Molecular Formula | CeH3NO4 |
| Molar Mass | 221.14 |
| Density | 4.37 |
| Melting Point | 96℃ |
| Boling Point | 200°C |
| Water Solubility | Soluble in water, alcohol and acetone. |
| Solubility | 1754g/l |
| Vapor Density | 15 (vs air) |
| Appearance | Crystalline Powder or Agglomerating Crystals |
| Color | Colorless to white |
| Merck | 14,2000 |
| PH | 3.7 (100g/l, H2O, 25℃) |
| Storage Condition | Store at +15°C to +25°C. |
| Stability | Stable. Hygroscopic and air sensitive. Oxidizing. Incompatible with strong reducing agents, strong bases. |
| Sensitive | Hygroscopic |
| Physical and Chemical Properties | Characteristics of colorless or light red crystals. melting point 96 ℃ relative density 4.37 soluble in water, the aqueous solution is acidic. Soluble in alcohol, acetone. |
| Use | Used in the manufacture of light lamp, optical glass, but also used in atomic energy, electron tube industry |
CEROUS NITRATE, HYDRATED - Risk and Safety
| Risk Codes | R8 - Contact with combustible material may cause fire R41 - Risk of serious damage to eyes R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36/38 - Irritating to eyes and skin. |
| Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. |
| UN IDs | UN 1477 5.1/PG 2 |
| WGK Germany | 2 |
| RTECS | FK6300000 |
| FLUKA BRAND F CODES | 3-10-23 |
| TSCA | Yes |
| HS Code | 28461090 |
| Hazard Class | 5.1 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 4200 mg/kg |
CEROUS NITRATE, HYDRATED - Nature
Open Data Verified Data
colorless or light red crystal, relative density 4. 37. Melting point 96. Soluble in water, aqueous solution is acidic. Soluble in alcohol, acetone. Deliquescence. When heated to 156 °c, 3 crystal water were lost and decomposed at 200 °c.
Last Update：2024-01-02 23:10:35
CEROUS NITRATE, HYDRATED - Preparation Method
Open Data Verified Data
nitric acid method: cerium-rich rare earth hydroxide acidic solution, hydrolysis, nitric acid dissolution, in the presence of oxalic acid or hydrogen peroxide to reduce the 4-valent cerium into 3-valent cerium, and then after crystallization, separation, preparation of cerium nitrate product.
Last Update：2022-01-01 11:04:59
CEROUS NITRATE, HYDRATED - Use
Open Data Verified Data
It can be used as an additive for the steam lamp, a petrochemical catalyst, and a raw material for the preparation of cerium salt. It is used as an analytical reagent in analytical chemistry and also in the pharmaceutical industry.
Last Update：2022-01-01 11:04:59
CEROUS NITRATE, HYDRATED - Safety
Open Data Verified Data
A double-layer polyethylene plastic bag was wrapped in an iron drum with a net weight of 40kg per drum. The package shall be marked with "oxidant-sign. It is a secondary inorganic oxidant. Risk code: GB 5.1 class 51523. UNN0.1477; IMDG CODE page 5162, Class 5.1. Should be stored in the lower temperature, ventilation, dry warehouse. With flammable materials, acids, organic matter Isolation storage. Handle with care and wear protective equipment. Vibration, impact, friction, unbundling, container leakage and sun exposure should be avoided. For the remainder, see cerium oxide products.
Last Update：2022-01-01 11:05:00
CEROUS NITRATE, HYDRATED - Reference Information
| Decomposition | >200°C |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| toxicity | see cerium oxide products. |
| Use | can be used as a catalyst for the hydrolysis of phosphate ester, used in the manufacture of flash lamp, optical glass and so on can be used as an additive for heat lamp, a petrochemical catalyst, and a raw material for preparing cerium salt. It is used as an analytical reagent in analytical chemistry and also in the pharmaceutical industry. used as an analytical reagent and catalyst used in the manufacture of a sulfur lamp, optical glass, but also used in atomic energy, the electron tube Industry for tungsten and molybdenum products (cerium tungsten electrode, lanthanum tungsten electrode), three-way catalyst, lamp gauze additive, hard alloy refractory metal and other industries. |
| production method | the acidic solution of cerium-rich rare earth hydroxide is hydrolyzed and nitric acid is dissolved by nitric acid method, in the presence of oxalic acid or hydrogen peroxide, tetravalent cerium is reduced to trivalent cerium, which is then crystallized and separated to obtain a finished cerium nitrate product. Its Ce(OH)3 3HNO3 → Ce(NO3)3 3H2O |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 4200 mg/kg; Intraperitoneal-mouse LD50: 470 mg/kg |
| stimulation data | Skin-rabbits were mild at 500 mg/24 h; eye-rabbit 100 mg severe |
| flammability hazard characteristics | toxic NOx emission from thermal decomposition |
| storage and transportation characteristics | low temperature ventilation and drying |
| fire extinguishing agent | Water |
Last Update：2024-06-05 12:11:45
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