- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde
- Price: ￥2258.0/5g ￥498.0/1g
- Purity: 97.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,2-Difluorobenzodioxole-5-carboxaldehyde
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
656-42-8
656-42-8 structure
- Name: 2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde
- Chemical Name: 2,2-Difluorobenzo[d][1,3]dioxole-5-carbaldehyde
- CAS Number: 656-42-8
- Molecular Formula: C8H4F2O3
- Molecular Weight: 186.112
- Create Date: 2018-10-13 17:38:21
- Modify Date: 2025-08-23 17:20:38
| Name | 2,2-Difluorobenzo[d][1,3]dioxole-5-carbaldehyde |
|---|---|
| Synonyms |
1,3-Benzodioxole-5-carboxaldehyde, 2,2-difluoro-
MFCD00792420 2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 210.5±40.0 °C at 760 mmHg |
| Molecular Formula | C8H4F2O3 |
| Molecular Weight | 186.112 |
| Flash Point | 79.1±22.2 °C |
| Exact Mass | 186.012848 |
| PSA | 35.53000 |
| LogP | 2.98 |
| Vapour Pressure | 0.2±0.4 mmHg at 25°C |
| Index of Refraction | 1.525 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xi |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2932999099 |
|
~%
656-42-8 |
| Literature: US2007/37815 A1, ; Page/Page column 20 ; |
|
~95%
656-42-8 |
| Literature: Hagooly, Youlia; Welch, Michael J.; Rozen, Shlomo Organic and Biomolecular Chemistry, 2011 , vol. 9, # 3 p. 902 - 905 |
|
~%
656-42-8 |
| Literature: US5420308 A1, ; |
|
~%
656-42-8 |
| Literature: Organic and Biomolecular Chemistry, , vol. 9, # 3 p. 902 - 905 |
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |