Skip to Content
Merck
CN
All Photos(4)

Key Documents

View All Documentation

255580

Sigma-Aldrich

Hydroxylamine hydrochloride

ACS reagent, 98.0%

Synonym(s):

Hydroxylammonium chloride

Sign Into View Organizational & Contract Pricing

Select a Size

5 G
CN¥695.52
100 G
CN¥1,047.36
500 G
CN¥2,902.56

CN¥695.52

Estimated to ship onApril 07, 2025Details

Request a Bulk Order
All Photos(4)

Select a Size

Change View
5 G
CN¥695.52
100 G
CN¥1,047.36
500 G
CN¥2,902.56

About This Item

Linear Formula:
NH2OH · HCl
CAS Number:
5470-11-1
Molecular Weight:
69.49
Beilstein:
3539763
EC Number:
226-798-2
MDL number:
MFCD00051089
UNSPSC Code:
12352300
PubChem Substance ID:
329752798
NACRES:
NA.21
grade:
ACS reagent
form:
powder, crystals or chunks

CN¥695.52

Estimated to ship onApril 07, 2025Details

Request a Bulk Order

grade

ACS reagent

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.)

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
911119HX0770132291
Hydroxylamine hydrochloride ACS reagent, 98.0%

255580

Hydroxylamine hydrochloride

Hydroxylamine hydrochloride free-flowing, Redi-Dri™, ACS reagent, 98.0%

911119

Hydroxylamine hydrochloride

Hydroxylamine Hydrochloride Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

HX0770

Hydroxylamine Hydrochloride

Hydroxylamine hydrochloride ≥97.0%, suitable for determination of toxic metals

132291

Hydroxylamine hydrochloride

assay

98.0%

assay

98.0%

assay

≥96%

assay

≥97.0%

Quality Level

200

Quality Level

-

Quality Level

-

Quality Level

-

grade

ACS reagent

grade

ACS reagent

grade

-

grade

-

pH

2.5-3.5 (20 °C, 50 g/L)

pH

2.5-3.5 (20 °C, 50 g/L)

pH

2.5-3.5 (20 °C, 50 g/L in H2O)

pH

2.5-3.5 (20 °C, 50 g/L)

density

1.67 g/mL at 25 °C (lit.)

density

1.67 g/mL at 25 °C (lit.)

density

1.7 g/cm3 at 20.2 °C

density

1.67 g/mL at 25 °C (lit.)

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

  • Specification Sheet

    • Choose from one of the most recent versions:

    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCP8125
    MKCM5014
    MKCP6128
    MKCM5051
    MKCK7294

    Don't see the Right Version?

    If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

    Search for a COA

    Already Own This Product?

    Find documentation for the products that you have recently purchased in the Document Library.

    Visit the Document Library

    William J Barnes et al.
    Bio-protocol, 7(5), e2149-e2149 (2017-03-05)
    Lignin is the second most abundant biopolymer on Earth, providing plants with mechanical support in secondary cell walls and defense against abiotic and biotic stresses. However, lignin also acts as a barrier to biomass saccharification for biofuel generation (Carroll and
    One-step Beckmann rearrangement from carbonyl compounds and hydroxylamine hydrochloride in Al2O3/CH3SO3H (AMA) as a new reagent.
    Sharghi H and Sarvari MH.
    J. Chem. Res. (M), 2001(10), 446-449 (2001)
    Selective dissolution of manganese oxides from soils and sediments with acidified hydroxylamine hydrochloride.
    Chao TT.
    Soil Science Society of America Journal. Soil Science Society of America, 36(5), 764-768 (1972)
    Magnesia-supported hydroxylamine hydrochloride in the presence of sodium carbonate as an efficient reagent for the synthesis of 1, 2, 4-oxadiazoles from nitriles.
    Kaboudin B and Saadati F.
    Tetrahedron Letters, 48(16), 2829-2832 (2007)
    Transamidation of primary amides with amines using hydroxylamine hydrochloride as an inorganic catalyst.
    C Liana Allen et al.
    Angewandte Chemie (International ed. in English), 51(6), 1383-1386 (2012-01-04)
    View All Related Papers

    Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

    Contact Technical Service