- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 1,3-Bis(trimethylsilyl)urea
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 1,3-Bis(trimethylsilyl)urea
- Price: ￥178.0/100g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 1,3-Bis(trimethylsilyl)urea
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: 1,3-Bis(trimethylsilyl)urea
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
- Zhongshan Xingrui Chemical Co. , Ltd.
- China
- Product Name: 1,3-Bis(trimethylsilyl)urea
- Price: ￥Inquiry/25kg
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Wang Jie
- Email: 3096638339@qq.com
18297-63-7
18297-63-7 structure
- Name: 1,3-Bis(trimethylsilyl)urea
- Chemical Name: 1,3-Bis(trimethylsilyl)urea
- CAS Number: 18297-63-7
- Molecular Formula: C7H20N2OSi2
- Molecular Weight: 204.417
- Catalog: Chemical reagent Silane reagent
- Create Date: 2018-09-16 18:42:30
- Modify Date: 2025-08-26 22:09:37
| Name | 1,3-Bis(trimethylsilyl)urea |
|---|---|
| Synonyms |
bistrimethylsilylurea
Urea, N,N'-bis(trimethylsilyl)- BSU MFCD00008260 Urea,TMS 1,3-Bis(trimethylsilyl)urea EINECS 242-177-9 Hexamethyl disilaurea N,N'-Bis(trimethylsilyl)urea |
| Density | 0.9±0.1 g/cm3 |
|---|---|
| Boiling Point | 222°C |
| Melting Point | 219-221 °C(lit.) |
| Molecular Formula | C7H20N2OSi2 |
| Molecular Weight | 204.417 |
| Flash Point | 65°C |
| Exact Mass | 204.111420 |
| PSA | 41.13000 |
| LogP | 1.76 |
| Vapour Pressure | 0.177mmHg at 25°C |
| Index of Refraction | 1.427 |
| Storage condition | 2-8°C |
| Symbol |
GHS02 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H228 |
| Precautionary Statements | P210 |
| Personal Protective Equipment | Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges |
| Hazard Codes | F,Xn |
| Risk Phrases | R11 |
| Safety Phrases | S14-S16-S24/25 |
| RIDADR | UN 1325 4.1/PG 2 |
| WGK Germany | 3 |
| Hazard Class | 4.1 |
| HS Code | 29310095 |
| Precursor 4 | |
|---|---|
| DownStream 10 | |
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |