Hexahydro-4-methylphthalic anhydride

Product Name: Hexahydro-4-methylphthalic anhydride
CAS No.: 19438-60-9
Chemical Name: Hexahydro-4-methylphthalic anhydride
Synonyms: MHHPA;4-MHHPA;Rikacid MH;Hexahydro-4-methyL;HEXAHYDRO-4-METHYLPHTH;Methylaexahydrophthalic Anhydride;5-Methylhexahydrophthalicanhydride;4-Methylhexahydrohthalic anhydride;4-Methylhexahydrophthalsureanhydrid;HEXAHYDRO-3-METHYLPHTHALIC ANHYDRIDE
CBNumber: CB2125569
Molecular Formula: C9H12O3
Formula Weight: 168.19
MOL File: 19438-60-9.mol

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Hexahydro-4-methylphthalic anhydride Property

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.)
Flash point:: >230 °F
storage temp.: Inert atmosphere,Room Temperature
solubility: Chloroform (Slightly), Ethyl Acetate (Slightly)
form: Liquid
pka: 4.24[at 20 ℃]
color: Clear
Water Solubility: REACTS
Sensitive: Moisture Sensitive
Stability:: Hygroscopic, Moisture Sensitive
InChIKey: FKBMTBAXDISZGN-UHFFFAOYSA-N
LogP: -3.95 at 20℃
CAS DataBase Reference: 19438-60-9(CAS DataBase Reference)
EPA Substance Registry System: 1,3-Isobenzofurandione, hexahydro-5-methyl- (19438-60-9)

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Safety

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

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H317May cause an allergic skin reaction

H318Causes serious eye damage

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P284Wear respiratory protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 149934
Product name: Hexahydro-4-methylphthalic anhydride, mixture of cis and trans
Purity: 96%
Packaging: 3kg
Price: $853
Updated: 2024/03/01

TCI Chemical

Product number: M0567
Product name: 4-Methylcyclohexane-1,2-dicarboxylic Anhydride
Purity: >98.0%(GC)
Packaging: 25g
Price: $21
Updated: 2024/03/01

TCI Chemical

Product number: M0567
Product name: 4-Methylcyclohexane-1,2-dicarboxylic Anhydride
Purity: >98.0%(GC)
Packaging: 500g
Price: $79
Updated: 2024/03/01

Sigma-Aldrich

Product number: 149934
Product name: Hexahydro-4-methylphthalic anhydride, mixture of cis and trans
Purity: 96%
Packaging: 25g
Price: $58.6
Updated: 2024/03/01

Sigma-Aldrich

Product number: 149934
Product name: Hexahydro-4-methylphthalic anhydride, mixture of cis and trans
Purity: 96%
Packaging: 500g
Price: $188
Updated: 2024/03/01

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Hexahydro-4-methylphthalic anhydride Chemical Properties,Usage,Production

Description

Methylhexahydrophthalic 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 Properties

Hexahydro-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.

Uses

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).

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.

Flammability and Explosibility

Non flammable

Contact allergens

Methylhexahydrophthalic 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.

Synthesis

5-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 Preparation Products And Raw materials

Raw materials

Preparation Products

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Hexahydro-4-methylphthalic anhydride Suppliers

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View Lastest Price from Hexahydro-4-methylphthalic anhydride manufacturers

Puyang Huicheng Electronic Materials Co., Ltd.

Product: Methyl Hexahydrophthalic Anhydride 19438-60-9
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: ≥98.0
Supply Ability: 71000
Release date: 2023-11-13

Xinxiang Hongqi District Houyuan Trading Co.,Ltd

Product: Methylhexahydrophthalic anhydride 19438-60-9
Price: US $30.00-28.00/Kg
Min. Order: 1Kg
Purity: 99.0% up
Supply Ability: 50 tons per month
Release date: 2022-10-24

Xinxiang Hongqi District Houyuan Trading Co.,Ltd

Product: Hexahydro-4-methylphthalic anhydride 19438-60-9
Price: US $30.00-28.00/Kg
Min. Order: 1Kg
Purity: 99.0% up
Supply Ability: 50 tons per month
Release date: 2022-10-17

19438-60-9, Hexahydro-4-methylphthalic anhydrideRelated Search:

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

HEXAHYDRO-4-METHYLPHTHALIC ANHYDRIDE

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Hexahydro-4-methylphthalic anhydride, 98%, mixture of cis and trans

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Hexahydro-4-methylphthalic anhydride in Cyclohexane

19438-60-9

ANHYDRIDE

Organics