Ammonium chloride

Ammonium chloride

CAS No.: 12125-02-9
Molecular Formula: ClH4N
Molecular Weight: 53.49
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product description

Ammonium chloride is a white crystalline powder, soluble in water and slightly acidic. It is widely used in fertilizers, battery electrolytes, metal soldering fluxes, medicine, dyes and chemical synthesis.


Chemical Properties

PropertyValue
Melting point340 °C (subl.) (lit.)
Boiling point100 °C at 750 mm Hg
Bulk density600-900 kg/m³
Density1.52
Vapor density1.9 (vs air)
Vapor pressure1 mm Hg (160.4 °C)
Refractive index1.642
FEMA4494 | AMMONIA (ALSO INCLUDES AMMONIUM CHLORIDE)
Storage conditionStore at +5°C to +30°C
SolubilityH₂O: 1 M at 20 °C, clear, colorless
Acid dissociation constant (pKa)9.25 (at 20 °C)
FormSolid
ColorWhite
Specific gravity1.53
pH value4.7 (200 g/L, H₂O, 25°C) (External MSDS)
OdorOdorless
Flavor typeAmmoniacal
Water solubilitySoluble
Thermal conductivity2.51 W/(m·K)
SensitivityHygroscopic
Wavelength maximum (λ_max)λ: 260 nm, Amax: ≤0.021
λ: 280 nm, Amax: ≤0.019
Merck14.509
BRN4371014
Dielectric constant7 (0.0°C)
Exposure limitACGIH: TWA 10 mg/m³; STEL 20 mg/m³
NIOSH: TWA 10 mg/m³; STEL 20 mg/m³
StabilityStable. Incompatible with strong acids, strong bases.
Cosmetic ingredient functionBUFFERING
VISCOSITY CONTROLLING
FRAGRANCE
InChI1S/CIH.H3N/h1H;1H3
InChIKeyNLXLAEXVIDQMFP-UHFFFAOYSA-N
SMILESN.C.I
CAS database12125-02-9 (CAS DataBase Reference)
NIST chemical substance informationAmmonium chloride (12125-02-9)
EPA chemical substance informationAmmonium chloride (12125-02-9)


Safety Information

PropertyValue
Hazard symbolXn
Hazard class codes22-36-41-37/38
Safety descriptions22-36-26
Occupational exposure classB
Occupational exposure limitTWA: 10 mg/m³, STEL: 20 mg/m³
UN dangerous goods numberUN 3077 9 / PGIII
WGK Germany1
RTECS numberBP4550000
Autoignition temperature>400 °C
TSCATSCA listed
Hazard class9
Packing groupIII
HS code28271000
Storage class13 - Non-combustible solids
Hazard class (category)Acute toxicity, Category 4, Oral
Eye irritation, Category 2
Hazardous substances data12125-02-9 (Hazardous Substances Data)
ToxicityLD50 in rats (mg/kg): 30 i.m. (Boyd, Seymour); LD50 in rats (mg/kg): 1650 orally (Smeets)


Product Usage

Ammonium Chloride is a versatile inorganic salt with critical applications in agriculture, industry, and medicine. In agriculture, it serves as an efficient nitrogen fertilizer, particularly suitable for crops like rice and wheat, where it promotes protein synthesis and enhances lodging resistance. In the industrial sector, it acts as an electrolyte in dry cell batteries and functions as a flux in metal welding and galvanizing processes, clearing oxides from metal surfaces to ensure high-quality bonding. Additionally, it is widely utilized in textile dyeing, leather tanning, and as a food additive (e.g., as a yeast nutrient in bread making). In pharmacy, it is commonly used as an expectorant to help thin mucus for easier expulsion.

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Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
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Q1: Are Your Products Compliant With International Standards?

A1: Yes, our company holds a number of internationally recognized core certifications. All production and operation activities strictly follow international environmental, safety and quality standards, and each batch of products is accompanied by a compliance test report to meet the chemical industry requirements in different regions around the world.


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