- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Palmitic acid
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 4,4'-Dibromobenzophenone
- Price: ￥268.0/5g ￥88.0/1g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 4,4'-Dibromobenzophenone
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
3988-03-2
3988-03-2 structure
- Name: 4,4'-Dibromobenzophenone
- Chemical Name: 4,4'-Dibromobenzophenone
- CAS Number: 3988-03-2
- Molecular Formula: C13H8Br2O
- Molecular Weight: 340.010
- Catalog: Chemical reagent Organic reagent Aromatic ketone
- Create Date: 2018-10-01 20:07:20
- Modify Date: 2025-08-27 08:45:35
| Name | 4,4'-Dibromobenzophenone |
|---|---|
| Synonyms |
Bis(p-bromophenyl) ketone
EINECS 223-632-0 MFCD00016330 Benzophenone, 4,4'-dibromo- Methanone, bis(4-bromophenyl)- 4,4'-Dibromobenzophenone 4,4′-Dibromobenzophenone Bis(4-bromophenyl)methanone |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 395.6±17.0 °C at 760 mmHg |
| Melting Point | 171-174 °C(lit.) |
| Molecular Formula | C13H8Br2O |
| Molecular Weight | 340.010 |
| Flash Point | 121.0±7.5 °C |
| Exact Mass | 337.894165 |
| PSA | 17.07000 |
| LogP | 5.06 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.633 |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | T+ |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S22-S24/25 |
| RIDADR | UN 2811 |
| WGK Germany | 3 |
| Hazard Class | 6.1 |
| HS Code | 2914700090 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
![4-[1-(4-cyanophenyl)ethenyl]benzonitrile structure](https://image.chemsrc.com/caspic/310/10605-45-5.png)
![Methanone,bis([1,1'-biphenyl]-4-yl)- structure](https://image.chemsrc.com/caspic/073/3478-90-8.png)
![bis[4-(4-propan-2-ylphenoxy)phenyl]methanone structure](https://image.chemsrc.com/caspic/314/196091-06-2.png)
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |