O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride
Also known as: PFBHA·HCl, Florox Reagent, O-(Pentafluorobenzyl)hydroxylamine hydrochloride, 1-[(Aminooxy)methyl]-2,3,4,5,6-pentafluorobenzene hydrochloride, O-[(2,3,4,5,6-pentafluorophenyl)methyl]hydroxylamine hydrochloride
O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride (CAS 57981-02-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5ClF5NO and a molecular weight of 249.56600 g/mol. Key properties include a melting point of 227 °C (subl.)(lit.), a boiling point of 214.5ºC at 760mmHg and a flash point of 83.5ºC. It is listed by 1 supplier, from 125.60 to 184.00 CNY. Record last updated Nov 2, 2026.
- CAS No.
- 57981-02-9
- Jingsj CID
- J-39470-3
- Molecular Formula
- C7H5ClF5NO
- Molecular Weight
- 249.56600 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 98% 50g | ¥6,280.00 | $18.8 /gBest ¥125.60/g CNY | CN China MOQ 50g | |
Made to Order | 98% 25g | ¥3,480.00 | $20.83 /g ¥139.20/g CNY | CN China MOQ 25g | |
Made to Order | 98% 5g | ¥920.00 | $27.53 /g ¥184.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 227 °C (subl.)(lit.) |
|---|---|
| Boiling Point | 214.5ºC at 760mmHg |
| Flash Point | 83.5ºC |
| Exact Mass | 248.086960 |
| PSA | 35.25000 |
| LogP | 3.27470 |
| Additional Property | H2O: 5%, clear |
| SMILES | C(C1=C(C(=C(C(=C1F)F)F)F)F)ON.Cl |
| InChIKey | HVMVKNXIMUCYJA-UHFFFAOYSA-N |
| InChI | 1S/C7H4F5NO.ClH/c8-3-2(1-14-13)4(9)6(11)7(12)5(3)10;/h1,13H2;1H |
Customs & Trade Information
| HS Code | 2922199090 |
|---|---|
| Summary | 2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride?
The CAS number of O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride is 57981-02-9.
What are the molecular formula and molecular weight of O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride?
O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride has molecular formula C7H5ClF5NO and molecular weight 249.56600 g/mol.
Which suppliers offer O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride?
1 supplier(s) listed; reference unit price ¥125.60–184.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride (CAS 57981-02-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39470-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.