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Hexahydro-4-methylphthalic anhydride

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Products Intro: Product Name:Methyl Hexahydrophthalic Anhydride
CAS:19438-60-9
Purity:>=98.0 Package:5KG;|25KG;|50KG
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Products Intro: Product Name:Hexahydro-4-methylphthalic anhydride
CAS:19438-60-9
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Products Intro: Product Name:Hexahydro-4-methylphthalic anhydride
CAS:19438-60-9
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CAS:19438-60-9
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Products Intro: Product Name:5-methyl-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione
CAS:19438-60-9
Purity:0.99 Package:5KG;1KG Remarks:C9H12O3

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Hexahydro-4-methylphthalic anhydride Basic information
Product Name:Hexahydro-4-methylphthalic anhydride
Synonyms:HEXAHYDRO-4-METHYLPHTHALIC ANHYDRIDE;HEXAHYDRO-3-METHYLPHTHALIC ANHYDRIDE;3-METHYL-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE;4-METHYL-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE;4-METHYLCYCLOHEXANE-1,2-DICARBOXYLIC ANHYDRIDE;3-Isobenzofurandione,hexahydro-5-methyl-1;4-methylcyclohexyl-1,6-dicarboxylicacidanhydride;5-Methylhexahydro-1,3-isobenzofurandione
CAS:19438-60-9
MF:C9H12O3
MW:168.19
EINECS:243-072-0
Product Categories:Organics
Mol File:19438-60-9.mol
Hexahydro-4-methylphthalic anhydride Structure
Hexahydro-4-methylphthalic anhydride Chemical Properties
Melting point -29°C
Boiling point 120°C (1 mmHg)
density 1.162 g/mL at 25 °C(lit.)
vapor pressure 0.23Pa at 25℃
refractive index n20/D 1.477(lit.)
Fp >230 °F
storage temp. Inert atmosphere,Room Temperature
solubility Chloroform (Slightly), Ethyl Acetate (Slightly)
pka4.24[at 20 ℃]
form Liquid
color Clear
Water Solubility REACTS
Sensitive Moisture Sensitive
Stability:Hygroscopic, Moisture Sensitive
InChIKeyFKBMTBAXDISZGN-UHFFFAOYSA-N
LogP-3.95 at 20℃
CAS DataBase Reference19438-60-9(CAS DataBase Reference)
EPA Substance Registry System1,3-Isobenzofurandione, hexahydro-5-methyl- (19438-60-9)
Safety Information
Hazard Codes Xn
Risk Statements 41-42/43
Safety Statements 22-24-26-37/39
WGK Germany 1
Hazard Note Irritant
TSCA Yes
HS Code 29172090
MSDS Information
ProviderLanguage
MHHPA English
SigmaAldrich English
ACROS English
ALFA English
Hexahydro-4-methylphthalic anhydride Usage And Synthesis
DescriptionMethylhexahydrophthalic anhydride (MHHP A) is an epoxy hardener, irritant to skin and mucus membranes. It is included in non-diglycidyl-ether-of-bisphenol- A epoxy resins. It can induce both allergic contact dermatitis and immunologic contact urticaria. MHHP A is structurally close to methyltetrahydrophthalic anhydride (MTHP A), which can also cause sensitization.
Chemical PropertiesHexahydro-4-methylphthalic anhydride has a melting point of 29 °C, so it is a liquid at room temperature. It has a boiling point of 120 °C and at 25 °C its density is 1.162 g/mL.
UsesHexahydro-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).
General DescriptionMethylhexahydrophthalic 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.
Flammability and ExplosibilityNon flammable
Contact allergensMethylhexahydrophthalic anhydride is an epoxy hardener, irritant to skin and mucous membranes. It is included in nondiglycidyl-ether-of-bisphenol-A epoxy resins. It can induce both allergic contact dermatitis and immunologic contact urticaria. It is structurally close to methyltetrahydrophthalic anhydride, which can also cause sensitization.
Synthesis5-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione could used as a starting material to synthesize Hexahydro-4-methylphthalic anhydride. The byproducts include 5-methylisobenzofuran-1,3-dione, 5-methyl-4,5,6,7-tetrahydroisobenzofuran-1,3-dione, and 6-methyl-3a,4,5,7a-tetrahydroisobenzofuran-1,3-dione.
Hexahydro-4-methylphthalic anhydride
Hexahydro-4-methylphthalic anhydride Preparation Products And Raw materials
Tag:Hexahydro-4-methylphthalic anhydride(19438-60-9) Related Product Information
4-Methylphthalic anhydride CIS-BUTENEDIOIC ANHYDRIDE Succinic anhydride Methyl tetrahydrophthalic anhydride Hexahydrophthalic anhydride Tetramethylammonium hydroxide pentahydrate Isatoic Anhydride Poly(methylhydrosiloxane) Trifluoromethanesulfonic anhydride Glutaric anhydride Phthalic anhydride cis-1,2,3,6-Tetrahydrophthalic anhydride Methyl Methylhexahydrophthalic anhydride Acetic anhydride Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic acid dianhydride HEXAHYDRO-3-METHYLPHTHALIC ANHYDRIDE,HEXAHYDRO-3-METHYLPHTHALIC ANHYDRIDE 3-Methylphthalic anhydride