Skip to Content
Merck

Key Documents

View All Documentation

255580

Hydroxylamine hydrochloride

ACS reagent, 98.0%

Synonym(s):

Hydroxylammonium chloride

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
NH2OH · HCl
CAS Number:
5470-11-1
Molecular Weight:
69.49
UNSPSC Code:
12352300
NACRES:
NA.21
PubChem Substance ID:
329752798
EC Number:
226-798-2
Beilstein/REAXYS Number:
3539763
MDL number:
MFCD00051089
Assay:
98.0%
Grade:
ACS reagent
Form:
powder, crystals or chunks
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

ACS reagent

Quality Segment

200

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

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.

Still not finding the right product?

Explore all of our products under Hydroxylamine hydrochloride

signalword

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

4.1A - Other explosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Deleterious substance

pdsc

Group 5: Self-reactive substances + Hydroxylamine salts + Hazardous rank II + 2nd self-reactive materials

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

255580-5G:4.54817312535E12 + 255580-100G:4.548173125336E12 + 255580-500G:4.548173125343E12

jan

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

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