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Urea formaldehyde moulding compound

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Name

Urea formaldehyde moulding compound

EINECS 618-464-3
CAS No. 9011-05-6 Density 1.200 g/cm3
PSA 86.18000 LogP 0.87540
Solubility N/A Melting Point N/A
Formula (CH4N2O.CH2O)x Boiling Point 196.6oC at 760mmHg
Molecular Weight 90.08120 Flash Point 72.7oC
Transport Information N/A Appearance white or colored
Safety 26-36/37/39 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 9011-05-6 (Urea formaldehyde) Hazard Symbols R36/37/38:对眼睛、呼吸道和皮肤有刺激作用;
Synonyms

Micrea;KyliteKymene 435;S 40 (aminoplast);MM 54V;W 436;KS 35;VF Filler;Resimene X 980;U-Loid S 22;BU 286;U-Pearl C 122R;Kaurit 471;Acrisin FS 017;Diakol DM;Knittex TC;UA 143;Beckamine P 196M;Aerolite A 300;Moform 50;AL 3029;MPF 2;EMG;UM-G;KF 02;P 196-60;Polyfix UC 30M;Laropal A 101;A 2 (aminoplast);M 60 (formaldehyde polymer);Polynoxylin;

 

Urea formaldehyde moulding compound Chemical Properties

MF: (CH4N2O.CH2O)x
Synonyms: Urea formaldehyde; Urea resins; urea formaldehyde polymers; acrisinfs017; aerolite300; aerolitea300; aeroliteffd; agroform; amikol65; anaflex; basf; UREA, POLYMER with FORMALDEHYDE.
The Structure of UREA, POLYMER with FORMALDEHYDE(9011-05-6):

Urea formaldehyde moulding compound Uses

UREA, POLYMER with FORMALDEHYDE(9011-05-6) is used in the manufacture of fiberboard boards, foam boards, and bamboo wood adhesive.
UREA, POLYMER with FORMALDEHYDE(9011-05-6)  is also used in  the treatment of fabric and paper.
UREA, POLYMER with FORMALDEHYDE(9011-05-6)  is used for making closures and buttons as commodity.
UREA, POLYMER with FORMALDEHYDE(9011-05-6)  is used in wood, plywood, furniture, machinery repair and other wood material binder.

Urea formaldehyde moulding compound Production

Urea resins (9011-05-6) are formed by the reaction of urea with formaldehyde (Fig.1). Monomethylolurea (HOH2CNHCONH2) and dimethylolurea (HOH2CNHCONHCH2OH) are formed first under alkaline conditions. Continued reaction under acidic conditions gives a fairly linear, low-molecular-weight intermediate polymer.
 A catalyst and controlled temperature are also needed and, since the amine may not be readily soluble in water or formalin at room temperature, it is necessary to heat it to about 80℃ to obtain the methylol compounds for many amine-formaldehyde resins.

FIGURE 1 Manufacture of urea-formaldehyde resins.

Urea formaldehyde moulding compound Toxicity Data With Reference

1.   

dnd-esc 3000 ppm

   EESADV    Ecotoxicology and Environmental Safety. 2 (1978),133.
2.   

orl-rat LD50:8394 mg/kg

   GISAAA    Gigiena i Sanitariya. 24 (5)(1959),71.
3.   

orl-mus LD50:6361 mg/kg

   GISAAA    Gigiena i Sanitariya. 24 (5)(1959),71.
4.   

orl-gpg LD:>2320 mg/kg

   ANTCAO    Antibiotics and Chemotherapy. 11 (1961),205.

Urea formaldehyde moulding compound Consensus Reports

Reported in EPA TSCA Inventory.

Urea formaldehyde moulding compound Safety Profile

Low toxicity by ingestion. Mutation data reported. When heated to decomposition it emits toxic vapors of NOx.
Risk Statements: 36/37/38: Irritating to eyes, respiratory system and skin 
Safety Statements: 26-36/37/39
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36/37/39:  Wear suitable protective clothing, gloves and eye/face protection
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