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Merck
CN

19-0610

Maleic anhydride

SAJ first grade, ≥98.0%

Synonym(s):

2,5-Furandione

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About This Item

Empirical Formula (Hill Notation):
C4H2O3
CAS Number:
108-31-6
Molecular Weight:
98.06
EC Number:
203-571-6
UNSPSC Code:
12352107
PubChem Substance ID:
329751798
Beilstein/REAXYS Number:
106909
MDL number:
MFCD00005518
Assay:
≥98.0%
Grade:
SAJ first grade
Form:
solid

Key Documents

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InChI key

FPYJFEHAWHCUMM-UHFFFAOYSA-N

InChI

1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H

SMILES string

O=C1OC(=O)C=C1

grade

SAJ first grade

vapor density

3.4 (vs air)

vapor pressure

0.16 mmHg ( 20 °C)

assay

≥98.0%

form

solid

autoignition temp.

870 °F

expl. lim.

7.1 %

availability

available only in Japan

bp

200 °C (lit.)

mp

51-56 °C (lit.)

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signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1A - STOT RE 1 Inhalation

target_organs

Respiratory system

supp_hazards

EUH071

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

217.4 °F - closed cup

flash_point_c

103 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
U2723
U5137
A9258
A9160
A5341

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Cornelia von Baeckmann et al.
Journal of colloid and interface science, 589, 453-461 (2021-01-24)
The typical method for minimizing serum protein adsorption in biological settings and prolonging blood circulation time of nanoparticles, is to anchor hydrophilic polymers (e.g., poly(ethylene glycol), PEG) on the particle surface, which is most often done by covalent attachment (PEGylation).
Emmanuel J Favaloro et al.
Thrombosis research, 134(6), 1292-1300 (2014-10-11)
von Willebrand disease (VWD) is reportedly the most common bleeding disorder and arises from deficiency and/or defects of von Willebrand factor (VWF). Laboratory diagnosis and typing has important management implications and requires a wide range of tests, including VWF activity
Lyudmila V Parfenova et al.
Molecules (Basel, Switzerland), 25(1) (2020-01-16)
Currently, significant attention is attracted to the problem of the development of the specific architecture and composition of the surface layer in order to control the biocompatibility of implants made of titanium and its alloys. The titanium surface properties can
Veronica H Flood et al.
Blood, 125(14), 2297-2304 (2015-02-11)
Von Willebrand factor (VWF) contains binding sites for platelets and for vascular collagens to facilitate clot formation at sites of injury. Although previous work has shown that VWF can bind type IV collagen (collagen 4), little characterization of this interaction
Glenn B S Miller et al.
European journal of mass spectrometry (Chichester, England), 21(3), 545-556 (2015-08-27)
We have conducted collision induced dissociation experiments on the hydrogen maleate anion (MaH(-), m/z = 115) and the anionic maleate MgCl complex (MaMgC(-), m/z = 173). In addition, we have computationally investigated the observed fragmentation reactions. We find that both
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