ChemicalBook > CAS DataBase List > Dimethylolurea

Dimethylolurea

Product Name
Dimethylolurea
CAS No.
140-95-4
Chemical Name
Dimethylolurea
Synonyms
Caurite;Metural;Ureol P;Carbamol;Kaurit S;Methural;Methurin;Finish EN;CSI Paste;Knittex ASL
CBNumber
CB1489020
Molecular Formula
C3H8N2O3
Formula Weight
120.11
MOL File
140-95-4.mol
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Dimethylolurea Property

Melting point:
125 °C (dec.)(lit.)
Boiling point:
224.08°C (rough estimate)
Density 
1.34
refractive index 
1.4610 (estimate)
Flash point:
100 °C
storage temp. 
2-8°C
pka
12.14±0.46(Predicted)
form 
powder to crystal
color 
White to Almost white
Water Solubility 
150 g/L
Merck 
14,6968
BRN 
1811870
InChIKey
QUBQYFYWUJJAAK-UHFFFAOYSA-N
LogP
-2.610 (est)
CAS DataBase Reference
140-95-4(CAS DataBase Reference)
NIST Chemistry Reference
Dimethanolurea(140-95-4)
EPA Substance Registry System
Dimethylolurea (140-95-4)
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Safety

Hazard Codes 
T
Risk Statements 
45
Safety Statements 
24/25-45-53
WGK Germany 
3
RTECS 
YS2716350
TSCA 
Yes
HS Code 
29241990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D4879
Product name
N,N′-Bis(hydroxymethyl)urea
Purity
≥95%
Packaging
100g
Price
$80.4
Updated
2024/03/01
Sigma-Aldrich
Product number
D4879
Product name
N,N′-Bis(hydroxymethyl)urea
Purity
≥95%
Packaging
1kg
Price
$189
Updated
2024/03/01
TCI Chemical
Product number
D0767
Product name
1,3-Bis(hydroxymethyl)urea
Purity
>98.0%(N)
Packaging
25g
Price
$24
Updated
2024/03/01
TCI Chemical
Product number
D0767
Product name
1,3-Bis(hydroxymethyl)urea
Purity
>98.0%(N)
Packaging
500g
Price
$160
Updated
2024/03/01
Alfa Aesar
Product number
A16060
Product name
1,3-Bis(hydroxymethyl)urea, tech. 90%
Packaging
100g
Price
$36.65
Updated
2024/03/01
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Dimethylolurea Chemical Properties,Usage,Production

Chemical Properties

white powder

Uses

In the textile industry in cotton crease- and shrink-proofing, finishing, drying, sizing; in tanning; pesticides; in photographic developers.

Uses

1,3-Bis(hydroxymethyl)urea is used in preparation method of insulating waterborne polyurethane dispersion coating for electronic and electrical components.

Definition

ChEBI: Oxymethurea is a member of ureas.

Production Methods

Dimethylolurea is produced industrially by the addition of 2 mol of formaldehyde per mole of urea in a stirred vessel. The solution is neutralized with triethanolamine. Urea is added with cooling, and the temperature must not exceed 40 ℃ in this slightly exothermic reaction. After a few hours, the reaction mixture is cooled to room temperature and dihydroxymethylurea crystals form upon cooling. The product is dried in a spray-drying tower.

Flammability and Explosibility

Not classified

Purification Methods

Crystallise it from aqueous 75% EtOH. [Beilstein 3 IV 107.]

Dimethylolurea Preparation Products And Raw materials

Raw materials

Preparation Products

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Dimethylolurea Suppliers

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View Lastest Price from Dimethylolurea manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Dimethylolurea 140-95-4
Price
US $120.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-04-29
Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
Dimethylolurea 140-95-4
Price
US $1.00/KG
Min. Order
1KG
Purity
99.91%
Supply Ability
200000
Release date
2024-04-24
Hebei Saisier Technology Co., LTD
Product
1,3-bis(hydroxymethyl)urea 140-95-4
Price
US $6.00/KG
Min. Order
1KG
Purity
More than 99%
Supply Ability
2000KG/Month
Release date
2024-04-23

140-95-4, DimethylolureaRelated Search:

Methylurea UREA-13C Urea formaldehyde Diazolidinyl Urea Tris(hydroxymethyl)nitromethane (Hydroxymethyl)urea 4,5-dihydroxy-1,3-dimethylimidazolidin-2-one 4,5-dihydroxy-1,3-bis(hydroxymethyl)imidazolidin-2-one 1,3,4,6-Tetrakis(methoxymethyl)glycoluril Dimethyloldimethyl hydantoin DIMETHYLOL ETHYLENE UREA Eterobarb Tetramethylol acetylenediurea 1,3-BIS(METHOXYMETHYL)UREA Dimethylolurea Hydroxymethyl 4,5-DIHYDROXYTETRAHYDRO-2H-IMIDAZOL-2-ONE 1,3,4,6-TETRAKIS(BUTOXYMETHYL)GLYCOLURIL, TECH.

  • 1,3-Bis(hydroxymethyl)urea, tech. 90%
  • 1,3-Bis(hydroxymethyl)urea, 95+%
  • dimethanolurea
  • 1,3-Bis(hydroxymethyl)urea, Dimethylolurea, DMU
  • N,N'-Bis(hydroxyMethyl)urea >=95%
  • DIMETHYLOLUREA
  • 1,3-Dimethylolurea
  • Carbamol
  • Caurite
  • CSI Paste
  • Finish EN
  • Kaurit S
  • Knittex ASL
  • Methural
  • Methurin
  • Metural
  • n,n’-bis(hydroxymethyl)-ure
  • 1,3-BIS(HYDROXYMETHYL)UREA
  • N,N'-DIMETHYLOLUREA
  • N,N'-BIS(HYDROXYMETHYL)UREA
  • OXYMETHUREA
  • N,N'-Dihydroxymethylurea
  • Permafresh 477
  • Protesine DMU
  • Urea, 1,3-bis(hydroxymethyl)-
  • Urea, N,N'-bis(hydroxymethyl)-
  • Ureol P
  • Dimethylol urea, approx. 80%, mixture with (hydroxymethyl)urea
  • 1,3-BIS(HYDROXYMETHYL)UREA 99%
  • 1,3-Bis(hydroxymethyl)urea &gt
  • N,N'-Bis(hydroxymethyl)urea (MFG)
  • NPK AND UREA
  • N,N-Bis(hydroxymethyl)urea (DMU) pure, 95%
  • N,N'-Bis(hydroxymethyl)urea
  • 140-95-4
  • HOCH2NHCONHCH2OH
  • C3H8N2O3
  • Ureas
  • Organic Building Blocks
  • Building Blocks
  • Carbonyl Compounds
  • Building Blocks
  • Carbonyl Compounds
  • Chemical Synthesis
  • Organic Building Blocks
  • Ureas