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Merck
CN

45552

Maleic hydrazide

PESTANAL®, analytical standard

Synonym(s):

1,2-Dihydro-3,6-pyridazinedione, 3,6-Dihydroxypyridazine, 3,6-Pyridazinediol

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About This Item

Empirical Formula (Hill Notation):
C4H4N2O2
CAS Number:
123-33-1
Molecular Weight:
112.09
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329756822
EC Number:
204-619-9
Beilstein/REAXYS Number:
112223
MDL number:
MFCD00006665

Key Documents

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InChI key

BGRDGMRNKXEXQD-UHFFFAOYSA-N

InChI

1S/C4H4N2O2/c7-3-1-2-4(8)6-5-3/h1-2H,(H,5,7)(H,6,8)

SMILES string

O=C1NNC(=O)C=C1

grade

analytical standard

product line

PESTANAL®

autoignition temp.

707 °F

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

Quality Level

100

application(s)

agriculture
environmental

format

neat

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

572.0 °F - closed cup

flash_point_c

300 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

农药列管产品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCM9801
BCCD1325
BCBZ9058

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Z Swietlińska et al.
Mutation research, 55(1), 15-30 (1978-01-01)
Since 1950, maleic hydrazide (MH) has been introduced into agriculture as a major commercial herbicide and a depressant of plant growth in numerous circumstances such as suppression of sprouting of vegetables and stored food crops, control of sucker growth on
Hassan A Mohamed et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 64(4), 913-917 (2006-02-07)
Interaction of maleic hydrazide (LH(2)) with [Cr(CO)(6)] in air at atmospheric pressure resulted in the formation of the complex [(LH)Cr(mu-O)(2)Cr(LH)] (1). Reaction of LH(2) with [Mo(CO)(6)] in air also gave the complex [(LH(2))O(2)Mo(mu-O)(2)MoO(2)(LH(2))] (2). Under the same conditions, the reaction
L Elvia Ruiz Flores et al.
Life sciences, 72(12), 1345-1351 (2003-01-16)
The aim of this investigation was to determine if extracts of Spirulina maxima reduce the genotoxic damage induced by maleic hydrazide (MH) using the Tradescantia biosssay. Two types of extracts from the alga were prepared: an aqueous extract with two
Yanjun Fang et al.
Biosensors & bioelectronics, 24(8), 2323-2327 (2009-03-06)
A novel flow injection chemiluminescence (CL) sensor for the determination of maleic hydrazide (MH) using molecularly imprinted polymer (MIP) as recognition element is reported. The MH-MIP was synthesized by thermal initiated polymerization in methanol, using methacrylic acid (MAA) as functional
Anthony S Riggs et al.
Journal of AOAC International, 91(1), 5-12 (2008-04-02)
Twelve collaborating laboratories assayed hydrazine in technical maleic hydrazide (MH), 6-hydroxy-2H-pyridazin-3-one, and 2 formulated products, a liquid concentrate and a soluble granule, using gas chromatography (GC) with electron capture detection. The hydrazine content in the samples ranged from 0.03 ppm
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