7789-18-6
7789-18-6 - Names and Identifiers
| Name | Cesium nitrate |
| Synonyms | XSS CESIUM NITRATE Cesium nitrate caesium nitrate Cesiumnitratewhitextl Nitric acid cesium salt CESIUM STANDARD SOLUTION Cesium nitrate, for analysis Cesium nitrate, Ionization Buffer Solution, Specpure |
| CAS | 7789-18-6 |
| EINECS | 200-272-2 |
| InChI | InChI=1/Cs.NO3/c;2-1(3)4/q+1;-1 |
7789-18-6 - Physico-chemical Properties
| Molecular Formula | CsNO3 |
| Molar Mass | 194.91 |
| Density | 3.685 g/mL at 25 °C (lit.) |
| Melting Point | 414 °C (lit.) |
| Boling Point | 233 °C |
| Water Solubility | 9.16 g/100 mL (0 ºC) |
| Solubility | H2O: 100mg/mL |
| Vapor Presure | 49.8mmHg at 25°C |
| Appearance | powder |
| Specific Gravity | 3.685 |
| Color | <5 (200mg/mL)(APHA) |
| Exposure Limit | ACGIH: TWA 2 ppm; STEL 4 ppmOSHA: TWA 2 ppm(5 mg/m3)NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3) |
| Merck | 14,2015 |
| PH | 5.0-7.5 (50g/l, H2O, 20℃) |
| Storage Condition | 2-8°C |
| Stability | Stable, but hygroscopic. Oxidizer. Contact with combustible material may cause fire. Decomposes at high temperatures. Incompatible with strong reducing agents, alcohols, organic materials, aluminium. |
| Sensitive | Hygroscopic |
| Refractive Index | 1.55 |
| Use | It is used as a basic raw material for preparing various cesium salts, and has a wide range of uses in catalysts, special glasses, ceramics, etc. |
7789-18-6 - Nature
Open Data Verified Data
white shiny hexahedral, cubic rhomboid crystals. 3. 64~3. 68; Melting point 414 ℃. It will decompose at high temperature. Soluble in 5.4 parts of cold water, 0.5 parts of boiling water, soluble in acetone, ethanol-soluble. With strong oxidation. There is a risk of combustion and explosion when contacted or mixed with organic substances, reducing agents, and combustible substances such as sulfur and phosphorus.
Last Update：2025-06-10 22:55:16
7789-18-6 - Preparation Method
Open Data Verified Data
to an aqueous solution of Cesium hydroxide, nitric acid was added, filtered, concentrated by evaporation until crystals appeared, and subjected to cooling, washing with ethanol, and drying for recrystallization to obtain cesium nitrate.
Last Update：2025-06-10 22:55:16
7789-18-6 - Application
Open Data Verified Data
analytical reagent for microanalysis of sodium. Environmental control analysis is used for the detection of radioactive substances and for the preparation of various cesium salts.
Last Update：2025-08-19 16:24:40
7789-18-6 - Safety
Open Data Verified Data
rats were intraperitoneally injected with LDso:1.2g/kg. It has a stimulating effect on the eyes, skin, mucous membranes and upper respiratory tract. Can make the animal's nerve, muscle excessive excitation. This substance may be harmful to the environment and has an accumulation effect in groundwater. Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat source. Packaging requirements are sealed, moisture-proof, sunscreen. Should be stored separately from reducing agent, flammable, combustible, phosphorus, sulfur, etc. Mixed storage and transportation should not be avoided.
Last Update：2025-06-10 22:55:16
7789-18-6 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| solubility in water (g/100ml) | grams dissolved per 100ml of water at different temperatures (℃): 9.33g/0 ℃;14.9g/10 ℃;23g/20 ℃;33.9g/30 ℃;47.2g/40 ℃; 83.8g/60 ℃;134g/80 ℃;163g/90 ℃;197g/100 ℃ |
| Application | cesium nitrate is mainly used for Catalyst, trace element analysis, preparation of other cesium salts, detection of radioactive substances, welding, biotechnology and special glass and other fields. It is used as the basic raw material for preparing various cesium salts, and has a wide range of uses in catalysts, special glass, ceramics and so on |
| category | oxidant |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 2390 mg/kg; Oral-mouse LD50: 2300 mg/kg |
| explosive hazard characteristics | and organic matter, reducing agent, sulfur, combustible mixture such as phosphorus can be exploded |
| flammability hazard characteristics | flammable materials such as organic matter, reductant, charcoal, sulfur, phosphorus, etc; toxic NOx smoke from combustion |
| storage and transportation characteristics | warehouse ventilation; Light loading light unloading; And organic matter, reducing agent, charcoal, separate storage of sulfur and phosphorus combustibles |
| fire extinguishing agent | water mist |
Last Update：2024-07-11 10:29:02
Supplier List
View History