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Merck
CN

PHL80142

Maleic acid

phyproof® Reference Substance

Synonym(s):

cis-Butenedioic acid, Toxilic acid

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About This Item

Linear Formula:
HO2CCH=CHCO2H
CAS Number:
110-16-7
Molecular Weight:
116.07
NACRES:
NA.24
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
605762
MDL number:
MFCD00063177

Key Documents

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Product Name

Maleic acid, phyproof® Reference Substance

SMILES string

OC(=O)\C=C/C(O)=O

InChI key

VZCYOOQTPOCHFL-UPHRSURJSA-N

InChI

1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-

grade

primary reference standard

product line

phyproof® Reference Substance

assay

≥98.0% (HPLC)

form

powder

manufacturer/tradename

PhytoLab

mp

130-135 °C (lit.)

density

1.59 g/mL at 25 °C (lit.)

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Legal Information

phyproof is a registered trademark of PhytoLab GmbH & Co. KG

General description

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

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Certificates of Analysis (COA)

Lot/Batch Number
115721682

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