UREA

Product details

Urea is a chemical carbonic acid diamide, which arises from many organisms as a metabolic end product of nitrogen compounds (eg amino acids) in the so-called urea cycle and is excreted in the urine. Purity Urea is a white, crystalline, non-toxic and hygienically safe solid, which is not to be confused with uric acid.

CAS-No. 57-13-6
EINECS-No. 200-315-5
Chemical formula: CH4N2O

Trade name: urea

Synonyms: Carbonic diamide | Carbamide | Carbonyl diamide | Carbonyldiamine | Diaminomethanal | Diaminomethanone
Application of the substance / the preparation Chemicals for synthesis

Specifications

arrow Specifications GENERAL

MSDS according 91/155 EEC (2001/58 EC)

flagge_eng MSDS EN flagge_dt SDB DE

More information

Hazard description: not applicable

Information pertaining to particular dangers for man and environment:

According to current European laws and regulations the product is
not dangerous or toxic material (based on the available data).
Chemical characterization:
CAS No. Description:
57-13-6 urea

Identification number(s):

EINECS Number: 200-315-5
General Information
Form: Solid.
Colour: White
Odour: Ammonia-like

Change in condition:
Melting point/Melting range: 135°C
decomposes before melting
Boiling point/Boiling range: not determined
Flash point: not applicable
Flammability (solid, gaseous) Product is not flammable.
Danger of explosion: Product does not present an explosion hazard.
Density at 20°C: 1.323 g/cm³
Bulk density at 20°C: ~ 800 kg/m³

Solubility in / Miscibility with Water at 20°C
:
~ 1000 g/l
pH-value (100 g/l) at 20°C: 9.2-9.5
Land transport ADR/RID (cross-border)
ADR/RID class: 8 (C2) Corrosive substances.
Danger code (Kemler): 80
UN-Number: 1727
Packaging group: II
Label: 8
Description of goods: 1727 AMMONIUM HYDROGENDIFLUORIDE, SOLID
Limited quantities (LQ) LQ23
Transport category 2
Tunnel restriction code E
Remarks: Limited Quantity: 3 kg inner packaging, 30 kg packaging unit (gross)

Maritime transport IMDG:
IMDG Class: 8
UN Number: 1727
Label: 8
Packaging group: II
EMS Number: F-A,S-B
Marine pollutant: No
Proper shipping name: AMMONIUM HYDROGENDIFLUORIDE, SOLID

Air transport ICAO-TI and IATA-DGR:
ICAO/IATA Class: 8
UN/ID Number: 1727
Label: 8
Packaging group: II
Proper shipping name: AMMONIUM HYDROGENDIFLUORIDE, SOLID
Remarks: Packing Instructions:
For Limited Quantity: Y 815 5 kg max. net/Pkg
Passenger and cargo aircraft: 815 15 kg max. net/Pkg
Cargo aircraft only: 817 50 kg max. net/Pkg
UN "Model Regulation": UN1727, AMMONIUM HYDROGENDIFLUORIDE, SOLID, 8, II
Markings according to EC guidelines:
The product has been classified and marked in accordance with EC Directives / Ordinance on Hazardous Materials

Risk phrases:
25 Toxic if swallowed.
34 Causes burns.

Safety phrases:
22 Do not breathe dust.
26 In case of contact with eyes, rinse immediately with plenty
of water and seek medical advice.
37 Wear suitable gloves.
45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

National regulations

Information about limitation of use:
Restrictions on juvenile employment must be observed.
Employment restrictions concerning pregnant and lactating women must be observed.

Water hazard class:
Water hazard class 1 (Assessment by list): slightly hazardous for water.

Hazard description

GHS hazard labels

Hazardous material sign