- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 4,5-Difluorophthalic acid
- Price:
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 4,5-Difluorophthalic acid
- Price: ￥478.0/250mg ￥1128.0/1g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 4,5-Difluorophthalic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: 4,5-Difluorophthalic acid
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
18959-31-4
18959-31-4 structure
- Name: 4,5-Difluorophthalic acid
- Chemical Name: 4,5-Difluorophthalic acid
- CAS Number: 18959-31-4
- Molecular Formula: C8H4F2O4
- Molecular Weight: 202.112
- Catalog: Chemical reagent Organic reagent Aromatic hydrocarbon
- Create Date: 2018-04-12 08:00:00
- Modify Date: 2024-01-02 18:11:26
| Name | 4,5-Difluorophthalic acid |
|---|---|
| Synonyms |
4,5-Difluor-phthalsaeure
1,2-benzenedicarboxylic acid,4,5-difluoro 1,2-Benzenedicarboxylic acid, 4,5-difluoro- 4,5-Difluorophthalic acid 4,5-Difluorobenzene-1,2-dicarboxylic acid 4,5-Difluoro phthalic acid |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 378.7±42.0 °C at 760 mmHg |
| Melting Point | 156 °C |
| Molecular Formula | C8H4F2O4 |
| Molecular Weight | 202.112 |
| Flash Point | 182.9±27.9 °C |
| Exact Mass | 202.007767 |
| PSA | 74.60000 |
| LogP | 1.50 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.566 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2917399090 |
|
~%
18959-31-4 |
| Literature: US2006/223830 A1, ; Page/Page column 39 ; US 20060223830 A1 |
| Precursor 1 | |
|---|---|
| DownStream 2 | |
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |