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CENTRALITE I

Name:   1,3-Diethyldiphenylurea
CAS No:   85-98-3
EINECS No:   201-645-2
Synonyms:   Ethyl Centralite
N,N´-Diethyl-N,N´-diphenylurea (sym.)
1,3-Diethyl-1,3-diphenylurea
Carbamite
Carbanilide, N,N ’ -diethyl-
Chemical Formula:   C 1 7 H 2 0 N 2 O
Molecular Weigh:   268,36
Characteristics:   White to slightly coloured crystalline substance, odourless.

Quality values:  
Point of solidification   71.5 – 72.5 °C  
Secondary and terciary amines   max. 0.1 %  
Residue after annealing   max. 0.1 %  
Hydrolyzable chlorine compounds   max. 0.001 %  
Volatile substances   max. 0.1 %  
Acidity (as HCl)   max. 0.004 %  
Substances insoluble in ethanol   max. 0.05 %  
Water - content   max. 0.1 %  
Particle Size (30 U.S.=0,6 mm)   min. 99,9 %  
Product use:   Stabiliser for production of smokeless gunpowders Softening agent for plastic materials.
Storage:   Store in original packing in dry areas protected from direct weather conditions.
Storage limit in original packings min. 2 years.
Classification:   Harmful
Labelling:  

Harmful
 
    R 22 Harmful if swallowed
R 52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
    S 22 Do not breathe dust
S 24/25 Avoid contact with skin and eyes
S 61 Avoid release to the environment. Refer to special instructions/Safety data sheets