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Sigma-Aldrich

Ammonium chloride

Ammonium chloride
1 of 1 reviewers received a sample product or took part in a promotion

ACS reagent, ≥99.5%

Synonym(s):

Salmiac

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25 G
$54.80
500 G
$77.40
2.5 KG
$213.00
6 X 500 G
$421.00
12 KG
$520.00
4 X 2.5 KG
$789.00
25 KG
$804.00
50 KG
$1,070.00

$54.80

Available to ship onApril 24, 2025Details

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All Photos(5)

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25 G
$54.80
500 G
$77.40
2.5 KG
$213.00
6 X 500 G
$421.00
12 KG
$520.00
4 X 2.5 KG
$789.00
25 KG
$804.00
50 KG
$1,070.00

About This Item

Linear Formula:
NH4Cl
CAS Number:
12125-02-9
Molecular Weight:
53.49
Beilstein/REAXYS Number:
4371014
EC Number:
235-186-4
MDL number:
MFCD00011420
UNSPSC Code:
12352300
eCl@ss:
38050207
PubChem Substance ID:
329752144
NACRES:
NA.21
assay:
≥99.5%
grade:
ACS reagent
form:
powder, crystals or chunks

$54.80

Available to ship onApril 24, 2025Details

Request a Bulk Order

grade

ACS reagent

Quality Level

200

agency

suitable for SM 5210

vapor density

1.9 (vs air)

vapor pressure

1 mmHg ( 160.4 °C)

assay

≥99.5%

form

powder, crystals or chunks

impurities

≤0.005% insolubles

ign. residue

≤0.01%

pH

4.5-5.5 (25 °C, 5%)

mp

340 °C (subl.) (lit.)

anion traces

phosphate (PO43-): ≤2 ppm
sulfate (SO42-): ≤0.002%

cation traces

Ca: ≤0.001%
Fe: ≤2 ppm
Mg: ≤5 ppm
heavy metals: ≤5 ppm (by ICP)

SMILES string

N.Cl

InChI

1S/ClH.H3N/h1H;1H3

InChI key

NLXLAEXVIDQMFP-UHFFFAOYSA-N

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General description

Crystals of ammonium chloride (NH4Cl) belong to the cubic crystal system. It can be synthesized by reacting HCl with aqueous ammonia solutions. NH4Cl is formed as a by-product during soda manufactured by Solvay process.[1]

application

Ammonium chloride (NH4Cl) has been used as one of the components of red blood cell (RBC) lysis buffer for use in various studies.[2][3] It may be used as a catalyst in the preparation 3,4-dihydropyrimidin-2-(1H)-ones.[4]
Inorganic ammonium ions (NH4+) effectively catalyze the aldol condensation of carbonyl compounds.[5] It serves as a source of nitrogen during the preparation of trimethylamine hydrochloride (TMA·HCl).[6]

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX5980
BCCM8913
BCCM4929
BCCD1782
BCCM1607

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Immune Cell Isolation from Mouse Femur Bone Marrow.
Liu X and Quan N.
Bio-protocol, 5(20) (2015)
514502
CorpBase ID (for auto-filling citation data) null
Selective Synthesis of Trimethylamine by Catalytic N-Methylation of Ammonia and Ammonium Chloride by utilizing Carbon Dioxide and Molecular Hydrogen.
Beydoun K, et al.
ChemCatChem, 8(1), 135-138 (2016)
Mark E Kusek et al.
Journal of visualized experiments : JoVE, (83)(83), e50823-e50823 (2014-01-17)
Mucosal surfaces serve as protective barriers against pathogenic organisms. Innate immune responses are activated upon sensing pathogen leading to the infiltration of tissues with migrating inflammatory cells, primarily neutrophils. This process has the potential to be destructive to tissues if
Romina Frare et al.
FEMS microbiology letters, 367(23) (2020-11-27)
Nitrogen is a most important nutrient resource for Escherichia coli and other bacteria that harbor the glnKamtB operon, a high-affinity ammonium uptake system highly interconnected with cellular metabolism. Although this system confers an advantage to bacteria when growing under nitrogen-limiting
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    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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