- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: columbium oxalate
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: columbium oxalate
- Price: ￥115.0/5g ￥975.0/100g ￥345.0/25g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
21348-59-4
21348-59-4 structure
- Name: columbium oxalate
- Chemical Name: niobium(2+),oxalate
- CAS Number: 21348-59-4
- Molecular Formula: C10H5NbO20
- Molecular Weight: 538.04100
- Catalog: Organic raw materials Carboxylic compounds and derivatives Salt of carboxylic acid ester and its derivatives
- Create Date: 2018-02-25 08:00:00
- Modify Date: 2025-08-26 12:54:07
| Name | niobium(2+),oxalate |
|---|---|
| Synonyms |
COLUMBIUM OXALATE,TECH
Niobium oxalate niobium(2+) ethanedioate Oxalic acid,niobium salt niobium(2+) ion oxalate ion Ethanedioic acid,niobium salt |
| Boiling Point | 365.1ºC at 760 mmHg |
|---|---|
| Molecular Formula | C10H5NbO20 |
| Molecular Weight | 538.04100 |
| Flash Point | 188.8ºC |
| Exact Mass | 537.84400 |
| PSA | 318.00000 |
| Appearance | Powder |
| Vapour Pressure | 2.51E-06mmHg at 25°C |
| Hazard Codes | Xn |
|---|---|
| Risk Phrases | 21/22 |
| Safety Phrases | 24/25 |
| RIDADR | UN 3261 |
| Packaging Group | III |
| Hazard Class | 6.1 |
| HS Code | 2917119000 |
| HS Code | 2917119000 |
|---|---|
| Summary | 2917119000 oxalic acid salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |