ChemicalBook >> CAS DataBase List >>1,1-Dimethylurea
1,1-Dimethylurea
- CAS No.
- 598-94-7
- Chemical Name:
- 1,1-Dimethylurea
- Synonyms
- N,N-Dimethylurea;Urea, N,N-dimethyl-;(CH3)2NCONH2;1,1-dimethyl-ure;1,1-Dimethylurea;Asym-Dimethylurea;unsym-dimethylurea;urea,1,1-dimethyl-;Urea, 1,1-dimethyl-;1,1-Dimethylurea >
- CBNumber:
- CB2279682
- Molecular Formula:
- C3H8N2O
- Molecular Weight:
- 88.11
- MDL Number:
- MFCD00007959
- MOL File:
- 598-94-7.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-09-12 18:50:37
| Melting point | 178-183 °C (lit.) |
|---|---|
| Boiling point | 163.08°C (rough estimate) |
| Density | 1.255 |
| vapor pressure | 0.008Pa at 25℃ |
| refractive index | 1.4715 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | water: soluble5%, clear, colorless |
| pka | 14.73±0.50(Predicted) |
| form | Crystalline Powder |
| color | White to off-white |
| Water Solubility | Soluble |
| BRN | 1740666 |
| InChI | 1S/C3H8N2O/c1-5(2)3(4)6/h1-2H3,(H2,4,6) |
| InChIKey | YBBLOADPFWKNGS-UHFFFAOYSA-N |
| SMILES | CN(C)C(N)=O |
| LogP | -4.6 at 20℃ |
| CAS DataBase Reference | 598-94-7(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | I988R763P3 |
| NIST Chemistry Reference | Urea, N,N-dimethyl-(598-94-7) |
| EPA Substance Registry System | 1,1-Dimethylurea (598-94-7) |
| UNSPSC Code | 12352111 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H335-H315-H319 | |||||||||
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | YS9867985 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2924 19 00 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazardous Substances Data | 598-94-7(Hazardous Substances Data) | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
1,1-Dimethylurea price More Price(46)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 8.20509 | N,N-Dimethylurea for synthesis | 598-94-7 | 50g | $156 | 2026-04-30 | Buy |
| Sigma-Aldrich | 261394 | 1,1-Dimethylurea 99% | 598-94-7 | 25g | $115 | 2026-04-30 | Buy |
| Sigma-Aldrich | 261394 | 1,1-Dimethylurea 99% | 598-94-7 | 100g | $188 | 2023-06-20 | Buy |
| TCI Chemical | D0809 | 1,1-Dimethylurea >98.0%(N) | 598-94-7 | 25g | $75 | 2026-04-30 | Buy |
| TCI Chemical | D0809 | 1,1-Dimethylurea >98.0%(N) | 598-94-7 | 500g | $623 | 2021-12-16 | Buy |
1,1-Dimethylurea Chemical Properties, Uses, Production
Chemical Properties
White to off-white crystalline powder
Uses
1,1-Dimethylurea (N,N-dimethylurea) has been used in the Dowex-50W ion exchange resin-promoted synthesis of N,N′-disubstituted-4-aryl-3,4-dihydropyrimidinones.
General Description
Nonlinear optical properties of 1,1-dimethylurea (N,N′ dimethylurea), have been evaluated through second-harmonic generation.
Flammability and Explosibility
Not classified
1,1-Dimethylurea Preparation Products And Raw materials
Raw materials
Carbamothioic acid, N,N-dimethyl-, O-methyl ester
Methanimidamide, N'-(3-cyano-2-pyrazinyl)-N,N-dimethyl-
3-Amino-N-hydroxy-pyrazinecarboximidamide
N,N,O-Trimethylisourea
Fluoroboric acid diethyl ether complex
1of3
Preparation Products
Global Suppliers ( 211)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Jinan Dexinjia Bio&Tech Co., Ltd | 0531-82375880 15098789112 | 3845379039@qq.com | China | 1458 | 58 |
| Shanghai Taijilin Industrial Co., Ltd. | 02150630626 17717886015 | kate@tajilin.com | China | 1340 | 58 |
| Shijiazhuang Feizi Chemical Technology Co. LTD | 0311-85957988 18633001459 | sales@feizichem.com | China | 82 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Beijing Ouhe Technology Co., Ltd | 13552068683 13522913783 | 2355560935@qq.com | China | 11777 | 60 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
View Latest Price from 1,1-Dimethylurea manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-07-28 | 1,1-Dimethylurea (N,N-Dimethylurea)
598-94-7
|
1Kg | 98% | 100 tons | Xi’an Goldenfeather & One Technology Co., Ltd. | ||
![]() |
2026-05-28 | 1,1-DIMETHYLUREA
598-94-7
|
$60.00 | 1KG | 99.9% | 100000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
![]() |
2019-07-06 | 1,1-DIMETHYLUREA
598-94-7
|
$1.00 | 1kg | 95%-99% | Career Henan Chemical Co |
-

- 1,1-Dimethylurea (N,N-Dimethylurea)
598-94-7
- $0.00
- 98%
- Xi’an Goldenfeather & One Technology Co., Ltd.
-

- 1,1-DIMETHYLUREA
598-94-7
- $60.00
- 99.9%
- Hebei Chuanghai Biotechnology Co,.LTD
-

- 1,1-DIMETHYLUREA
598-94-7
- $1.00
- 95%-99%
- Career Henan Chemical Co
(CH3)2NCONH2
1,1-dimethyl-ure
Asym-Dimethylurea
N,N-Dimethylurea,98+%
Urea, 1,1-dimethyl-
urea,1,1-dimethyl-
unsym-dimethylurea
1,1-DIMETHYLUREA, 98+%
α-Imino-α-(dimethylamino)methanol
1,1-Dimethylurea,N,N-Dimethylurea
N,N'-DIMETHYLUREA, PRACT
1,1-Dimethylurea >
TIANFUCHEM--High purity 1,1-DIMETHYLUREA factory price
N,N-Dimethylurea
Urea, N,N-dimethyl-
1,1 Dimethyl urea (Assay 98%)
1,1-Dimethylurea
598-94-7
Organic Building Blocks
Ureas
Building Blocks
Carbonyl Compounds
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