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255580

Sigma-Aldrich

Hydroxylamine hydrochloride

ACS reagent, 98.0%

Synonym(s):

Hydroxylammonium chloride

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About This Item

Linear Formula:
NH2OH · HCl
CAS Number:
Molecular Weight:
69.49
Beilstein:
3539763
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

vapor pressure

0.001 hPa ( 50 °C)

Assay

98.0%

form

powder, crystals or chunks

reaction suitability

reaction type: C-H Activation
reagent type: catalyst

technique(s)

inhibition assay: suitable

impurities

≤0.005% S compounds
≤0.25 meq/g Titr. free acid

ign. residue

≤0.05%

pH

2.5-3.5 (20 °C, 50 g/L)

mp

155-157 °C (dec.) (lit.)

density

1.67 g/mL at 25 °C (lit.)

anion traces

sulfur compounds (as SO42-): ≤0.005%

cation traces

Fe: ≤5 ppm
NH4+:, passes test
heavy metals: ≤5 ppm (by ICP)

storage temp.

room temp

SMILES string

Cl.NO

InChI

1S/ClH.H3NO/c;1-2/h1H;2H,1H2

InChI key

WTDHULULXKLSOZ-UHFFFAOYSA-N

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Application

Powerful reducing agent. Converts aldehydes and ketones to oximes, and acid chlorides to hydroxamic acids. Used as catalyst, swelling agent, and copolymerization inhibitor.

Biochem/physiol Actions

MAO inhibitor; inhibits platelet aggregation.

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Oral

Target Organs

spleen

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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