Hydrogen chloride
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Category：Specialty Gases Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Hydrogen chloride
CAS number: 7647-01-0
UN number: 1050
EINECS number: 231-595-7
Molecular weight: 36.46
Appearance: colorless, with pungent odor
Melting point: -114.2℃
Boiling point: -85.1℃
Density: 1.477 kg/m³
DOT class: 2.3 & 8
Tags: toxic gas, corrosive
Packaging specifications
| Cylinder specifications | Content | |
| Cylinder capacity | Valve | Weight |
| 10L | CGA330 | 5kg |
| 40L | CGA330 | 22kg |
| 44L | CGA330 | 25kg |
Industrial grade hydrogen chloride 99.9%
| Specifications | 99.9 % |
| arbon dioxide | ≤400 ppm |
| Carbon monoxide | ≤60 ppm |
| Nitrogen | ≤450 ppm |
| Oxygen + argon | ≤30 ppm |
| Methane | ≤5 ppm |
| Water | ≤5 ppm |
Electronic grade hydrogen chloride 99.999%
| Specifications | 99.999% |
| Carbon dioxide | ≤2 ppm |
| Carbon monoxide | ≤1 ppm |
| Nitrogen | ≤2 ppm |
| Oxygen + argon | ≤1 ppm |
| Methane | ≤0.1 ppm |
| Water | ≤1 ppm |
Electronic grade hydrogen chloride 99.999%
| Specifications | 99.999% |
| Carbon dioxide | ≤2 ppm |
| Carbon monoxide | ≤1 ppm |
| Nitrogen | ≤2 ppm |
| Oxygen + argon | ≤1 ppm |
| Methane | ≤0.1 ppm |
| Water | ≤1 ppm |
Gas introduction
Hydrogen chloride, with the chemical formula HCl, is a colorless gas with a pungent odor consisting of a chlorine atom and a hydrogen atom. Its aqueous solution is called hydrochloric acid, also known as hydrochloric acid. Hydrogen chloride is very soluble in water. At 0°C, 1 volume of water can dissolve about 500 volumes of hydrogen chloride.
Hydrogen chloride, a corrosive non-combustible gas, does not react with water but is easily soluble in water. It often exists in the form of hydrochloric acid mist in the air. It is easily soluble in ethanol and ether, and can also be dissolved in many other organic substances; it is easily soluble in water. At 25°C and 1 atmosphere, 1 volume of water can dissolve 503 volumes of hydrogen chloride gas. The chemical properties of dry hydrogen chloride are very inactive. Alkali metals and alkaline earth metals can burn in hydrogen chloride, and sodium emits a bright yellow flame when burning.
The aqueous solution of hydrogen chloride is hydrochloric acid. Industrial hydrochloric acid is often slightly yellow, mainly because of the presence of ferric chloride. Ammonia water is often used to test the presence of hydrochloric acid, and ammonia water will react with hydrogen chloride to form white ammonium chloride particles. Hydrogen chloride has a strong dipole and forms hydrogen bonds with other dipoles.
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