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140-95-4

Basic Information
CAS No.: 140-95-4
Name: Dimethylolurea
Article Data: 32
Molecular Structure:
Molecular Structure of 140-95-4 (Dimethylolurea)
Formula: C3H8N2O3
Molecular Weight: 120.108
Synonyms: Finish EN;Knittex ASL;Methural;Metural;N,N'-(Dihydroxymethyl)urea;N,N'-Bis(hydroxymethyl)urea;N,N'-Dimethylolurea;NSC 41819;Oxymethurea;Papirol J 001;Permafresh 477;Protesine DMU;Ureol P;Urea,1,3-bis(hydroxymethyl)- (8CI);1,3-Bis(hydroxymethyl)urea;1,3-Dimethylolurea;CSI Paste;Dimethanol urea;
EINECS: 205-444-0
Density: 1.367 g/cm3
Melting Point: 125 °C (dec.)(lit.)
Boiling Point: 460.5 °C at 760 mmHg
Flash Point: 232.3 °C
Solubility: 150 g/L in water
Appearance: white powder
Hazard Symbols: ToxicT
Risk Codes: 45
Safety: 24/25-45-53
PSA: 81.59000
LogP: -1.03300
Synthetic route
50-00-0

formaldehyd

140-95-4

1,3-bis(hydroxymethyl)urea

Conditions
ConditionsYield
With sulfuric acid at 50℃; for 0.4h; Ionic liquid;60%
With triethylamine at 20℃; for 30h;57%
With formic acid; sodium hydroxide In water at 0 - 25℃; for 18h; pH=8;43%
50-00-0

formaldehyd

13547-17-6

methylenediurea

A

140-95-4

1,3-bis(hydroxymethyl)urea

B

38688-61-8

N'-hydroxymethyl-N,N''-methanediyl-di-urea

Conditions
ConditionsYield
With barium dihydroxide; water
50-00-0

formaldehyd

100-97-0

hexamethylenetetramine

140-95-4

1,3-bis(hydroxymethyl)urea

Conditions
ConditionsYield
With water
50-00-0

formaldehyd

1000-82-4

(hydroxymethyl)urea

140-95-4

1,3-bis(hydroxymethyl)urea

Conditions
ConditionsYield
Kinetics; Thermodynamic data;
In sulfuric acid at 343℃; Rate constant;
50-00-0

formaldehyd

alkali

alkali

140-95-4

1,3-bis(hydroxymethyl)urea

50-00-0

formaldehyd

A

1000-82-4

(hydroxymethyl)urea

B

140-95-4

1,3-bis(hydroxymethyl)urea

Conditions
ConditionsYield
at 50 - 85℃; Kinetics; pH 3.65 bis pH 7;
at 50 - 85℃; Kinetics; pH 3.65-7;
at 20℃; Gleichgewichtskonzentration bei pH 6.7-10 in Abhaengigkeit von dem Molverhaeltnis des Formaldehyds und Harnstoffs;

A

50-00-0

formaldehyd

B

1000-82-4

(hydroxymethyl)urea

C

140-95-4

1,3-bis(hydroxymethyl)urea

Conditions
ConditionsYield
at 20℃; Product distribution; pH 6.7 bis pH 10;
50-00-0

formaldehyd

neutral aqueous solution

neutral aqueous solution

A

1000-82-4

(hydroxymethyl)urea

B

140-95-4

1,3-bis(hydroxymethyl)urea

C

13329-70-9

tris(hydroxymethyl)urea

Conditions
ConditionsYield
at 35℃; Rate constant; pH 7;
50-00-0

formaldehyd

1000-82-4

(hydroxymethyl)urea

140-95-4

1,3-bis(hydroxymethyl)urea

Conditions
ConditionsYield
at 20 - 40℃; Kinetics; pH 6.7-12.4;
at 25 - 55℃; Kinetics; pH 2-11;
at 20 - 40℃; Rate constant; in Loesungen vom pH 6.7 bis pH 12.4;
140-95-4

1,3-bis(hydroxymethyl)urea

109-76-2

Trimethylenediamine

1,3,5,7,11,13,15,17-octaazatricyclo[15.3.1.17,11]docosane-4,14-dione

Conditions
ConditionsYield
In ethanol for 26h; Reflux;61%
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Chemistry

Product Name: Dimethylolurea
Synonyms: DMU; DIMETHYLOLUREA; N,N'-DIMETHYLOLUREA; N,N'-BIS(HYDROXYMETHYL)UREA; 1,3-Dimethylolurea; Carbamol; Caurite; CSI Paste; Finish EN; Kaurit S; Knittex ASL; Methural; Methurin; Metural; Oxymethurea
EINECS: 205-444-0
Merck:6968
Molecular formula:C3H8N2O3
Molecular Weight:120.11
density:1.34
Flash point:100 °C
storage temp:2-8°C
Water Solubility:150 g/L

1,3-DIMETHYLOLUREA is the chemical compound with the formula.Its Molecular Weight is 120.11. Its melting point is 125 °C .It can soluble in water.

Toxicity Data With Reference

1.   

orl-rat LD50:3400 mg/kg

   GISAAA    Gigiena i Sanitariya. 44 (3)(1979),68.
2.   

orl-mus LD50:1795 mg/kg

   GISAAA    Gigiena i Sanitariya. 44 (3)(1979),68.
3.   

orl-rbt LD50:3200 mg/kg

   GISAAA    Gigiena i Sanitariya. 44 (3)(1979),68.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.

1,3-DIMETHYLOLUREA's Risk Statements:45:May cause cancer 
1,3-DIMETHYLOLUREA's Safety Statements:24/25:Avoid contact with skin and eyes;45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)  
53:  Avoid exposure - obtain special instruction before use 
Hazard Codes:T
WGK Germany:3
RTECS:YS2716350