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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
Made to Order

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
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 Point227 °C (subl.)(lit.)
Boiling Point214.5ºC at 760mmHg
Flash Point83.5ºC
Exact Mass248.086960
PSA35.25000
LogP3.27470
Additional PropertyH2O: 5%, clear
SMILESC(C1=C(C(=C(C(=C1F)F)F)F)F)ON.Cl
InChIKeyHVMVKNXIMUCYJA-UHFFFAOYSA-N
InChI1S/C7H4F5NO.ClH/c8-3-2(1-14-13)4(9)6(11)7(12)5(3)10;/h1,13H2;1H

Customs & Trade Information

HS Code2922199090
Summary2922199090. 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.