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56180

Urea

analytical standard

Synonym(s):

Carbamide, Carbonyldiamide

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1 g

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$87.40

About This Item

Linear Formula:
NH2CONH2
CAS Number:
Molecular Weight:
60.06
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
200-315-5
Beilstein/REAXYS Number:
635724
MDL number:

$87.40


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grade

analytical standard

Quality Segment

assay

≥98.5% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, chromatography: suitable, gas chromatography (GC): suitable

impurities

≤0.5% water

mp

132-135 °C (lit.)

solubility

H2O: soluble 480 g/L at 20 °C (completely)

density

1.335 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
forensics and toxicology
personal care
veterinary

format

neat

SMILES string

NC(N)=O

InChI

1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

General description

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Find all available reference materials for compounds listed in 10/2011 here

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Used for the denaturation of proteins and as a mild solubilization agent for insoluble or denatured proteins. Useful for renaturing proteins from samples already denatured with 6 M guanidine chloride such as inclusion bodies. May be used with guanidine hydrochloride and dithiothreitrol (DTT) in the refolding of denatured proteins into their native or active form.

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This Item
PHR140615604NIST2152
Urea NIST® SRM® 2152, combustion calorimetric standard

NIST2152

Urea

description

analytical standard

description

Pharmaceutical Secondary Standard; Certified Reference Material

description

puriss., meets analytical specification of Ph. Eur., BP, USP, 99.0-100.5%, 99.0-101.0% (calc. on dry substance)

description

NIST® SRM® 2152, combustion calorimetric standard

application(s)

cleaning products
cosmetics
food and beverages
forensics and toxicology
personal care
veterinary

application(s)

pharmaceutical (small molecule)

application(s)

-

application(s)

clinical testing

technique(s)

gas chromatography (GC): suitable, HPLC: suitable

technique(s)

gas chromatography (GC): suitable, HPLC: suitable

technique(s)

-

technique(s)

-

format

neat

format

neat

format

-

format

-

Quality Level

100

Quality Level

300

Quality Level

200

Quality Level

-

grade

analytical standard

grade

pharmaceutical secondary standard, certified reference material

grade

puriss.

grade

certified reference material

assay

≥98.5% (HPLC)

assay

-

assay

99.0-101.0% (calc. on dry substance), 99.0-100.5%

assay

-


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Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable



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