CAS 25550-51-0 Methylhexahydrophthalic anhydride (HCID 3016472)

概要

Methylhexahydrophthalic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of methylhexahydrophthalic acid. It has a role as an allergen and a curing agent. It is a cyclic dicarboxylic anhydride and a tetrahydrofurandione.

名称と識別子

優先名称: Methylhexahydrophthalic anhydride
IUPAC: 7a-methyl-4,5,6,7-tetrahydro-3aH-2-benzofuran-1,3-dione
現地名: 3a,4,5,6,7,7a-ヘキサヒドロ-3a-メチル-1,3-イソベンゾフランジオン
英語名: hexahydro-1-methylphthalic anhydride
分子式: C9H12O3
分子量: 168.19

名称と別名

Methylhexahydrophthalic anhydride25550-51-048122-14-1MHHPAHexahydro-1-methylphthalic anhydrideHexahydro-3a-methyl-1,3-isobenzofurandioneEINECS 256-356-4Hexahydromethylphthalic anhydrideCHEBI:554613a-methylhexahydro-2-benzofuran-1,3-dioneEINECS 247-094-1hexahydromethyl-1,3-isobenzofurandione

名称をさらに表示

3a,4,5,6,7,7a-ヘキサヒドロ-3a-メチル-1,3-イソベンゾフランジオンHexahydro-3α-methyl-1,3-isobenzofurandione1,3-Isobenzofurandione, hexahydro-3a-methyl-Hexahydro-3a-methylphthalic anhdride, mixture of isomers3a,4,5,6,7,7a-Hexahydro-3a-methyl-1,3-isobenzofurandione

1,3-Isobenzofurandione, hexahydromethyl-methyl-1,2-cyclohexanedicarboxylic anhydrideDTXSID70964009EC 247-094-1RefChem:818620DTXSID1029330DTXCID208572101,3Isobenzofurandione, hexahydromethyl

データベース識別子

CAS: 25550-51-0、48122-14-1
PubChem CID: 3016472
DTXSID: DTXSID70964009
ChEBI: CHEBI:55461
EC Number: 247-094-1、256-356-4
Nikkaji: J319.971A

物性

構造計算による物性

XLogP: 1.5
極性表面積: 43.4 Å²
水素結合供与体数: 0
水素結合受容体数: 3
回転可能結合数: 0
重原子数: 12
形式電荷: 0
複雑度: 246

実験および物理化学的性質

PolymersPlastics & Rubber -> Acid Anhydrides, Cyclic

Density · 2 件

1.15 g/cm³

Relative density of the vapour/air-mixture at 20 °C (air = 1): 5.81

SolubilitySolubility in water at 20 °C: reaction

Flash Point145 °C

Boiling Point290 °C

Melting Point-29 °C

物理化学的性質

沸点: 289.9 · 289.9±9.0 °C(Predicted)
比重(密度): 1.205 · 1.205±0.06 g/cm3(Predicted)
溶解性: Chloroform (Slightly), DMSO (Slightly)
外見: Solid
色: White to Off-White
安定性: Moisture sensitive

安全と法規制

GHS分類

GHS Classification · 6 件

Danger

H317: May cause an allergic skin reaction [Warning Sensitization, Skin]

P233, P260, P261, P264+P265, P271, P272, P280, P284, P302+P352, P304+P340, P305+P354+P338, P317, P321, P333+P317, P342+P316, P362+P364, P403, and P501 (click each P-code to see the statement)

Danger

H317: May cause an allergic skin reaction [Warning Sensitization, Skin]

P233, P260, P261, P264+P265, P271, P272, P280, P284, P302+P352, P304+P340, P305+P354+P338, P317, P321, P333+P317, P342+P316, P362+P364, P403, and P501 (click each P-code to see the statement)

危険有害性情報

Regulatory Information · 6 件

Chemical: 1,3-Isobenzofurandione, hexahydromethyl-

Hazard Traits - Respiratory Toxicity

1,3-Isobenzofurandione, hexahydromethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1,3-Isobenzofurandione, hexahydromethyl- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 13-07-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/16115

Substance: Hexahydromethylphthalic anhydride

Fire HazardsCombustible. Gives off irritating or toxic fumes (or gases) in a fire.

Hazards Summary · 1 件

Slowly decomposed by water forming acids; A skin and severe eye irritant; May cause skin and respiratory sensitization; [ICSC] Cyclic acid anhydrides can cause irritation and sensitization by dermal, mucous membrane, and inhalation from occupational exposure; The most common allergic diseases reported are rhinoconjunctivitis and asthma, allergic contact dermatitis is rare; [Reference #1] Reacts slowly with water; May cause severe eye irritation, corneal injury, and burns; Prolonged skin contact may cause severe irritation and burns; May cause skin and respiratory sensitization; Chronic inhalation exposure may cause bronchitis and asthma; [Dixie Chemical MSDS] See ACID ANHYDRIDES. See Hexahydrophthalic anhydride.

EC ClassificationNote: C; Symbol: Xn; R: 41-42/43; S: (2)-22-24-26-37/39

Chemical DangersDecomposes slowly on contact with water. This produces acid. Reacts with acids, alcohols, bases and oxidants.

Hazard Classes and Categories · 6 件

Skin Sens. 1 (100%)

Eye damage - category 1

Respiratory sensitization - Category 1A

Eye Dam. 1

安全と保護具

Fire FightingUse water spray, foam, powder, carbon dioxide.

First Aid Measures · 4 件

Fresh air, rest. Refer for medical attention.

Remove contaminated clothes. Rinse and then wash skin with water and soap.

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Rinse mouth. Refer for medical attention .

Safe StorageSeparated from food and feedstuffs. Dry.

Spillage DisposalPersonal protection: complete protective clothing including self-contained breathing apparatus. Collect leaking and spilled liquid in covered containers as far as possible.

Eye PreventionWear face shield or eye protection in combination with breathing protection.

Fire PreventionNO open flames.

毒性情報

Adverse EffectsDermatotoxin - Skin burns.

Exposure RoutesThe substance can be absorbed into the body by inhalation and by ingestion.

Signs and Symptoms · 4 件

Cough. Wheezing.

Redness.

Redness. Pain.

Abdominal pain. Diarrhoea.

安全データ

危険有害性情報: コード危険有害性情報危険有害性クラス区分注意喚起語シンボル P コード H317

化学と産業

用途と製造

Uses · 2 件

Cyclic acid anhydrides: Used to make polyester and alkyd resins, plasticizers, and as epoxy resin hardeners; [Reference #1]

Plastic Composites Manufacturing [Category: Industry]

U.S. Production2023: 6,762,247 lb

Industry UsesIntermediate

General Manufacturing Information · 2 件

All Other Basic Organic Chemical Manufacturing

1,3-Isobenzofurandione, hexahydromethyl-: ACTIVE

応用分野

使用Hexahydro-4-methylphthalic Anhydride, can be used in the mixture of other isomers nanofiber supported 3D interconnected BN nanosheets for epoxy nanocomposites with ultrahigh thermal management capability