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线性分子式:
NH4Cl
化学文摘社编号:
分子量:
53.49
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
38050207
UNSPSC Code:
12352300
EC Number:
235-186-4
MDL number:
Beilstein/REAXYS Number:
4371014
Assay:
≥99.5%
Form:
crystalline powder
InChI key
NLXLAEXVIDQMFP-UHFFFAOYSA-N
InChI
1S/ClH.H3N/h1H;1H3
grade
ACS reagent, puriss. p.a.
agency
USP/NF, reag. ISO, reag. Ph. Eur.
vapor density
1.9 (vs air)
vapor pressure
1 mmHg ( 160.4 °C)
assay
≥99.5%
form
crystalline powder
impurities
acidity or alkalinity, complies, bromides and iodides, complies, ≤0.005% insoluble matter
pH
4.5-5.5 (20 °C, 5%)
mp
340 °C (subl.) (lit.)
anion traces
nitrate (NO3-): ≤5 mg/kg, phosphate (PO43-): ≤2 mg/kg, sulfate (SO42-): ≤20 mg/kg
cation traces
As: ≤0.00005%, Ca: ≤0.0005%, Cu: ≤0.0002%, Fe: ≤0.0002%, K: ≤0.005%, Mg: ≤0.0005%, Na: ≤0.005%, Ni: ≤0.0001%, Pb: ≤0.0001%, Zn: ≤0.0002%, heavy metals: ≤5 mg/kg (by ICP-OES)
suitability
complies for appearance of solution
Quality Level
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Application
Ammonium chloride can be used as a catalyst:
- To synthesize 3,4-dihydropyrimidin-2-(1H)-ones via solvent-free Biginelli condensation reaction.
- For the aldol condensation of carbonyl compounds.
- In the thia-Michael addition reaction of thiols to different α-enones.
- A promoter in the enantioselective hydrogenation of an unprotected β-enamine amides.
- A pH-adjuster in the preparation of waterborne glucose silicone resin.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
此项目有
Identification of ammonium chloride as an effective promoter of the asymmetric hydrogenation of a beta-enamine amide
Clausen A, et al.
Organic Process Research & Development, 10, 723-726 (2006)
Physical and mechanical properties of poplar wood modified by glucose-urea-melamine resin/sodium silicate compound
Liu Q, et al.
Forests, 12, 127-127 (2021)
Ammonium chloride-catalyzed carbon-sulfur bond formation in water
Chen W, et al.
Catalysis Communications, 9, 1079-1081 (2008)
Ammonium chloride-catalyzed one-pot synthesis of 3, 4-dihydropyrimidin-2-(1H)-ones under solvent-free conditions
Shaabani A, et al.
Tetrahedron Letters, 44, 857-859 (2003)
The Vibrational Spectra of Molecules and Complex Ions in Crystals III. Ammonium Chloride and Deutero-Ammonium Chloride.
Wagner EL and Hornig DF.
J. Chem. Phys. , 18(3), 296-304 (1950)
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