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Calcium nitrate 4H2O

Calcium nitrate tetrahydrate

CAS: 13477-34-4

Molecular Formula: Ca(NO3)2 4H2O

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Calcium nitrate 4H2O - Names and Identifiers

Name Calcium nitrate tetrahydrate
Synonyms Calcium nitrate 4H2O
Calcium nitrate hydrate
Calcium nitrate, 4-hydrate
Calcium nitrate tetrahydrate
calciumdinitratetetrahydrate
CALCIUM (II) NITRATE, HYDROUS
CAS 13477-34-4
EINECS 233-332-1
InChI InChI=1/Ca.NO3.4H2O/c;2-1(3)4;;;;/h;;4*1H2/q+2;-1;;;

Calcium nitrate 4H2O - Physico-chemical Properties

Molecular FormulaCa(NO3)2 4H2O
Molar Mass236.14
Melting Point45℃
Water Solubility1470 g/L (0℃)
Physical and Chemical PropertiesSolubility: H2O: 1 M at 20 °c, clear, colorless
storage conditions: Store at RT.
sensitivity: hygropic
WGK Germany:1
RTECS:EW3000000

Calcium nitrate 4H2O - Risk and Safety

Hazard SymbolsO - Oxidizing agent
Oxidizing agent
Xi - Irritant
Irritant
Risk CodesR36 - Irritating to the eyes
R8 - Contact with combustible material may cause fire
Safety DescriptionS17 - 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.
UN IDsUN 1454

Calcium nitrate 4H2O - Introduction

Nature:
1. It is a white crystalline solid.
2. It easily dissolves in water at room temperature, forming an alkaline solution.
3. Calcium nitrate (tetrahydrate) is an important calcium nitrate salt commonly used as fertilizer, fuel additive, and refrigerant.

Usage:
1. Industrial field: used as a metal surface treatment agent, pyrotechnic fuel, fire retardant, and concrete additive.
2. Refrigerant: Calcium nitrate solution can be used as the working fluid for refrigeration systems.

Method:
The preparation method of calcium nitrate (tetrahydrate) is usually achieved by reacting nitric acid with calcium carbonate to obtain: CaCO3+2HNO3 → Ca (NO3) 2+CO2+H2O.

Security information:
1. It has a certain degree of danger and should pay attention to protective measures.
2. Avoid contact with organic matter, avoid swallowing or inhaling.
3. Long term contact may cause skin allergic reactions.
4. Protective gloves and glasses should be worn during handling.
5. Store in a sealed, cool, and well ventilated environment.

Last Update：2024-06-06 11:40:44

Calcium nitrate 4H2O - Nature

Open Data Verified Data

colorless crystals. Deliquescence. Melting point of 45 deg C; D1860. Soluble in water, ethanol, methanol, acetone, almost insoluble in nitric acid. The pH of the 5% aqueous solution (on an anhydrous basis) was 6.0. Strong oxidant. Thermal decomposition, release of oxygen. Mixing with reducing agents, organics, combustibles such as sulfur, phosphorus, or metal powders, etc., can form explosive mixtures. Combustion decomposition, the release of toxic nitrogen oxide gas. By high heat decomposition, produce toxic nitrogen oxides.

Last Update：2024-01-02 23:10:35

Calcium nitrate 4H2O - Preparation Method

Open Data Verified Data

The powdered calcium hydroxide was added in small portions to the ammonium nitrate solution, heated and continuously stirred, and the heating was stopped when the weak ammonia odor was just eliminated. After filtration, nitric acid was added dropwise to the filtrate until the filtrate was weakly acidic. Heating to 40~50 C, and then filtered, the filtrate was concentrated, and a little calcium nitrate tetrahydrate was added as a seed crystal, cooled to room temperature, and the crystal was suction filtered, that is, calcium nitrate tetrahydrate.

Last Update：2022-01-01 09:01:20

Calcium nitrate 4H2O - Use

Open Data Verified Data

analysis reagent for detecting sulfate and oxalate. For the preparation of basic culture medium, pyrotechnic materials.

Last Update：2022-01-01 09:01:20

Calcium nitrate 4H2O - Safety

Open Data Verified Data

rat oral LDso:3900mg/kg. The eyes, skin irritation, inhalation of dust, the nose, throat and respiratory tract irritation, causing Cough and chest discomfort. It is strictly prohibited to mix with acids, flammable substances, organic substances, reducing agents, spontaneous combustion substances and wet flammable substances.

Last Update：2022-01-01 09:01:20
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Hefei TNJ Chemical Industry Co.,Ltd.
Product Name: Calcium nitrate tetrahydrate Request for quotation
CAS: 13477-34-4
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840 Click to send a QQ message
Wechat: 0086 189 4982 3763
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Calcium nitrate 4H2O
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