08483
氢化-4-甲苯酐，顺反异构体混合物
analytical standard
别名:
4-甲基-1,2-环己二羧酸酐
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关于此项目
经验公式（希尔记法）:
C9H12O3
化学文摘社编号:
分子量:
168.19
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
12352200
EC Number:
243-072-0
MDL number:
InChI
1S/C9H12O3/c1-5-2-3-6-7(4-5)9(11)12-8(6)10/h5-7H,2-4H2,1H3
InChI key
FKBMTBAXDISZGN-UHFFFAOYSA-N
SMILES string
CC1CCC2C(C1)C(=O)OC2=O
grade
analytical standard
assay
≥98.0% (GC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
refractive index
n20/D 1.473-1.480, n20/D 1.477 (lit.)
density
1.162 g/mL at 25 °C (lit.)
application(s)
environmental
format
neat
Quality Level
General description
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.
Application
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).
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
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
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
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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