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Hexahydro-4-methylphthalsäureanhydrid, Mischung aus cis und trans

analytical standard

Synonym(e):

4-Methyl-1,2-cyclohexanedicarboxylic anhydride

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About This Item

Empirische Formel (Hill-System):
C9H12O3
CAS-Nummer:
19438-60-9
Molekulargewicht:
168.19
EG-Nummer:
243-072-0
MDL-Nummer:
MFCD00005927
UNSPSC-Code:
12352200
PubChem Substanz-ID:
329748589
NACRES:
NA.24

Qualität

analytical standard

Qualitätsniveau

100

Assay

≥98.0% (GC)

Haltbarkeit

limited shelf life, expiry date on the label

Methode(n)

HPLC: suitable
gas chromatography (GC): suitable

Brechungsindex

n20/D 1.473-1.480
n20/D 1.477 (lit.)

Dichte

1.162 g/mL at 25 °C (lit.)

Anwendung(en)

environmental

Format

neat

SMILES String

CC1CCC2C(C1)C(=O)OC2=O

InChI

1S/C9H12O3/c1-5-2-3-6-7(4-5)9(11)12-8(6)10/h5-7H,2-4H2,1H3

InChIKey

FKBMTBAXDISZGN-UHFFFAOYSA-N

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Allgemeine Beschreibung

Methylhexahydrophthalic anhydride, a congener of phthalic anhydride, is utilized in the production of plastics, paints, and electronic components. It can potentially result in allergenic effects on humans upon exposure and cause immunological reactions.

Anwendung

Hexahydro-4-methylphthalic anhydride, mixture of cis and trans may be used as an analytical standard for the determination of the analyte in human biological samples by gas chromatography-mass spectrometry (GC-MS).

Piktogramme

Health hazardCorrosion
GHS08,GHS05

Signalwort

Danger

Gefahreneinstufungen

Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 1

Flammpunkt (°F)

235.4 °F - closed cup

Flammpunkt (°C)

113 °C - closed cup

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Analysenzertifikate (COA)

Lot/Batch Number
BCBX6052
BCBQ9223V
BCBQ9223

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P Pfäffli et al.
The Analyst, 116(12), 1333-1336 (1991-12-01)
A gas-chromatographic technique using 63Ni electron-capture detection was applied to the determination of 4-methyl-cis-hexahydrophthalic anhydride in the blood of workers occupationally exposed to this airborne agent. The detection limit was 0.24 nmol ml-1. For occupational exposure to between 0.14 and
Marina C Jeppsson et al.
Inhalation toxicology, 21(12), 1013-1020 (2009-09-24)
Methylhexahydrophthalic anhydride (MHHPA) is a reactive, low molecular weight chemical used in products such as plastics, paints, and electronic components. Exposure to MHHPA may lead to work-related airway diseases such as rhinitis, conjunctivitis, and asthma. Twelve subjects employed at a
C H Lindh et al.
Toxicology and applied pharmacology, 153(2), 152-160 (1999-01-08)
Hexahydrophthalic anhydride (HHPA) and methylhexahydrophthalic anhydride (MHHPA) are highly allergenic compounds used in the chemical industry. The aim of this study was to characterize the protein adducts in erythrocytes following exposure to HHPA and MHHPA. Blood and urine samples were

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