Methylhexahydrophthalic anhydride (HCID 3016472)

개요

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.

이름 및 식별자

우선 이름: Methylhexahydrophthalic anhydride
IUPAC: 7a-methyl-4,5,6,7-tetrahydro-3aH-2-benzofuran-1,3-dione
현지명: 헥사히드로-1-메틸프탈산무수물
영어명: hexahydro-1-methylphthalic anhydride
분자식: C9H12O3
분자량: 168.19

이름 및 동의어

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

이름 더 보기

헥사히드로-1-메틸프탈산무수물Hexahydro-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

데이터베이스 식별자

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

물성

구조 계산 물성

XLogP: 1.5
극성 표면적: 43.4 Å²
수소 결합 공여자 수: 0
수소 결합 수용자 수: 3
회전 가능 결합 수: 0
무거운 원자 수: 12
형식 전하: 0
복잡도: 246

실험 및 물리화학적 성질

PolymersPlastics & Rubber -> Acid Anhydrides, Cyclic

Density · 2건

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

물리화학적 성질

끓는 점: 289.9 · 289.9±9.0 °C(Predicted)
밀도: 1.205 · 1.205±0.06 g/cm3(Predicted)
용해도: 클로로포름 (약간 용해됨), DMSO (약간 용해됨)
물리적 상태: 고체
색상: 흰색에서 황백색까지
안정성: 수분에 민감한

안전 및 규제

GHS 분류

GHS Classification · 6건

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)

유해성 정보

Regulatory Information · 6건

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 · 1건

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 · 6건

Skin Sens. 1 (100%)

Eye damage - category 1

Respiratory sensitization - Category 1A

Eye Dam. 1

안전 및 보호

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

First Aid Measures · 4건

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.

독성 정보

Adverse EffectsDermatotoxin - Skin burns.

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

Signs and Symptoms · 4건

Cough. Wheezing.

Redness.

Redness. Pain.

Abdominal pain. Diarrhoea.

안전 데이터

중점관리물질 필터링: 별표2-356

화학 및 산업

용도 및 제조

Uses · 2건

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 · 2건

All Other Basic Organic Chemical Manufacturing

1,3-Isobenzofurandione, hexahydromethyl-: ACTIVE

응용 분야

용도Hexahydro-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