- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Oxygen-fluorine 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: Oxygen-fluorine acid
- Price: ￥158.0/5g
- Purity: 97.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Oxygen-fluorine acid
- 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: 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
82419-35-0
82419-35-0 structure
- Name: Oxygen-fluorine acid
- Chemical Name: 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
- CAS Number: 82419-35-0
- Molecular Formula: C13H9F2NO4
- Molecular Weight: 281.212
- Catalog: Chemical reagent Organic reagent Tricyclic compound
- Create Date: 2018-07-06 14:52:11
- Modify Date: 2025-08-21 13:09:12
| Name | 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid |
|---|---|
| Synonyms |
7H-1,4-Oxazino[2,3,4-ij]quinoline-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-
MFCD00226106 UNII:501W86694Z 9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid Oxygen-fluorine acid |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 459.2±45.0 °C at 760 mmHg |
| Melting Point | 320-322ºC(lit.) |
| Molecular Formula | C13H9F2NO4 |
| Molecular Weight | 281.212 |
| Flash Point | 231.5±28.7 °C |
| Exact Mass | 281.049957 |
| PSA | 68.53000 |
| LogP | 0.99 |
| Vapour Pressure | 0.0±1.2 mmHg at 25°C |
| Index of Refraction | 1.636 |
| Storage condition | -20?C Freezer |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2934999090 |
| Precursor 9 | |
|---|---|
| DownStream 4 | |
![ethyl 9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate structure](https://image.chemsrc.com/caspic/308/82419-34-9.png)
![diethyl [(-)-7,8-difluoro-3-methyl-2,3-dihydro-4H-[1,4]benzoxazin-4-yl]methylenemalonate structure](https://image.chemsrc.com/caspic/261/86760-99-8.png)
![diethyl [3,4-difluoro-2-(2-hydroxypropyloxy)anilinyl]methylenemalonate structure](https://image.chemsrc.com/caspic/229/124409-86-5.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |