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442597

Supelco

Formaldehyde-2,4-DNPH

analytical standard

Synonym(s):

Formaldehyde-2,4-dinitrophenylhydrazone

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About This Item

Linear Formula:
H2C=NNHC6H3(NO2)2
CAS Number:
1081-15-8
Molecular Weight:
210.15
Beilstein:
750330
MDL number:
MFCD00191364
UNSPSC Code:
12000000
PubChem Substance ID:
24867923

grade

analytical standard

CofA

current certificate can be downloaded

feature

standard type calibration

packaging

ampule of 100 mg

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

153-156 °C (lit.)

application(s)

environmental

format

neat

storage temp.

2-30°C

SMILES string

[O-][N+](=O)c1ccc(NN=C)c(c1)[N+]([O-])=O

InChI

1S/C7H6N4O4/c1-8-9-6-3-2-5(10(12)13)4-7(6)11(14)15/h2-4,9H,1H2

InChI key

UEQLSLWCHGLSML-UHFFFAOYSA-N

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General description

Formaldehyde 2,4-dinitro­phenyl­hydrazone (C7H6N4O4) is a planar molecule and the nitro groups are almost coplanar with the benzene ring.

Application

Formaldehyde-2,4-DNPH may be used as an analytical standard for the determination of the analyte in air samples, food and feed products, and aquatic products by various chromatography techniques.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

442597-100MG:
442597:

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Certificates of Analysis (COA)

Lot/Batch Number
LRAC7357
LRAC0075
LRAB8437
LRAB6069
LC23432V

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Trace determination of carbonyl compounds in air by gas chromatography of their 2, 4-dinitrophenylhydrazones
Smith RA and Drummond I
Analyst, 104(1242), 875-877 (1979)
P Wahed et al.
Food chemistry, 202, 476-483 (2016-02-28)
Formalin is carcinogenic and is detrimental to public health. The illegal addition of formalin (37% formaldehyde and 14% methanol) to foods to extend their shelf-life is considered to be a common practice in Bangladesh. The lack of accurate methods and
Formaldehyde 2, 4-dinitrophenylhydrazone.
Tameem AA
Acta Crystallographica Section E, Structure Reports Online, 63 (1), 57-58 (2006)
High performance liquid chromatographic determination of formaldehyde in milk
Kaminski J, et al.
Journal of Liquid Chromatography and Related Technologies, 16(2), 521-526 (1993)
F Sandner et al.
International journal of hygiene and environmental health, 203(3), 275-279 (2001-03-31)
The toxic potential of formaldehyde and other aliphatic/aromatic carbonyl compounds requires the determination of even low amounts of these compounds in indoor air. The existing DFG-method for workplace monitoring using adsorption at 2,4-dinitrophenylhydrazine (DNPH)-coated sorbents followed by HPLC-UV/DAD analysis of
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