Methyltetrahydrophthalic anhydride (HCID 198243)

개요

Methyltetrahydrophthalic anhydride is a cyclic dicarboxylic anhydride that is the cyclic anhydride of methyltetrahydrophthalic acid. It has a role as an allergen. It is a cyclic dicarboxylic anhydride and a tetrahydrofurandione.

이름 및 식별자

우선 이름: Methyltetrahydrophthalic anhydride
IUPAC: 7a-methyl-4,7-dihydro-3aH-2-benzofuran-1,3-dione
현지명: 아이소메틸테트라히드로프탈 무수물
영어명: Methyltetrahydrophthalic anhydride
분자식: C9H10O3
분자량: 166.17

이름 및 동의어

1,2,3,6-Tetrahydromethylphthalic anhydrideMTHPALindride1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl-CHEBI:55466AC 220JMeTHPARefChem:818707247-830-126590-20-5Methyl tetrahydrophthalic anhydrideMethyltetrahydrophthalic anhydride

이름 더 보기

아이소메틸테트라히드로프탈무수물아이소메틸테트라히드로프탈무수물(ISOMETHYLTETRAHYDROPHTHALICANHYDRIDE)ac220isomethyltetrahydrophthalic anhydrideAC 2204-MTHPAMTHPA-600Methyltetrahyhedrophthalic Anhydride3-METHYL-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE4-METHYL-4-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDEac220j

42498-58-83a-Methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione7a-methyl-4,7-dihydro-3aH-2-benzofuran-1,3-dione2,3,5,6-Tetrahydro-2-methylphthalic anhydride3a-methyl-1,3,3a,4,7,7a-hexahydro-2-benzofuran-1,3-dioneMethy tetra-Hydro Phthalic Anhydride3a-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dioneMethy tetra-Hydro Phthalic Anhydride(MTHPA)

데이터베이스 식별자

CAS: 26590-20-5、42498-58-8
PubChem CID: 198243
DTXSID: DTXSID40962532
ChEBI: CHEBI:55466
EC Number: 247-830-1、255-853-3
Nikkaji: J169.052C

물성

구조 계산 물성

XLogP: 1.1
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: 279

실험 및 물리화학적 성질

PolymersPlastics & Rubber -> Acid Anhydrides, Cyclic

Density1.20 @25 °C

Flash Point350 °C

Boiling Point124 °C

Melting Point-29 °C

Physical Description · 2건

Liquid; [ICSC]

OILY LIQUID.

물리화학적 성질

녹는점: 63 · 63-64 °C
끓는 점: 254.38 °C · 254.38°C (rough estimate)
밀도: 1.1708 · 1.1708 (rough estimate)
굴절률: 1.55 · 1.5500 (estimate)
저장 조건: -20 °C · -20°C Freezer
용해도: DMSO(약간 용해됨), 메탄올(약간 용해됨)
물리적 상태: 고체
색상: 하얀색
InChI: InChI=1S/C9H10O3/c1-9-5-3-2-4-6(9)7(10)12-8(9)11/h3,5-6H,2,4H2,1H3
InChIKey: CSHJJWDAZSZQBT-UHFFFAOYSA-N
SMILES: C1(OC(=O)C2CCC=CC12C)=O
NIST: Methyltetrahydrophthalic anhydride(26590-20-5)
EPA: 1 · 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl- (26590-20-5)

화학적 성질

light yellow liquid,colorless liquid

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 · 4건

Chemical: 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl-

Hazard Traits - Respiratory Toxicity

1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Other Safety InformationIMAP assessments - Tetrahydrophthalic anhydrides and analogues: Human health tier II assessment

Fire HazardsCombustible.

Hazards Summary · 1건

Occupational asthma reported in workers curing epoxy resins; [Malo] [Tarvainen K, et al. Immunologic contact urticaria due to airborne methylhexahydrophthalic and methyltetrahydrophthalic anhydrides. Contact Dermatitis. 1995 Apr;32(4):204-9.] Prolonged or repeated exposure may cause asthma and contact urticaria; [ICSC] Causes asthma, rhinitis, allergic conjunctivitis, and rarely, allergic urticaria; A surface limit (TLV-SL) of 0.7 mg/100 cm2 is recommended to protect against induction of respiratory sensitization from skin contact with workplace surfaces. [ACGIH] See ACID ANHYDRIDES.

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

Hazard Classes and Categories · 6건

Skin Sens. 1 (100%)

Eye damage - category 1

Eye Dam. 1

안전 및 보호

Fire FightingIn case of fire in the surroundings, use appropriate extinguishing media.

First Aid Measures · 4건

Fresh air, rest.

Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention if skin irritation occurs.

Rinse with plenty of water (remove contact lenses if easily possible).

Rinse mouth.

Spillage DisposalPersonal protection: chemical protection suit including self-contained breathing apparatus. Collect leaking liquid in covered containers.

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

Fire PreventionNO open flames.

Skin PreventionProtective gloves. Protective clothing.

독성 정보

Adverse EffectsAsthma - Reversible bronchoconstriction (narrowing of bronchioles) initiated by the inhalation of irritating or allergenic agents.

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

Signs and Symptoms · 3건

Cough.

Redness.

안전 데이터

tsca: TSCA listed
기존화학 물질: KE-25352

화학 및 산업

용도 및 제조

Uses · 2건

Exposures have been reported in workers applying polyester resin glues and curing epoxy and alkyl resins; [NIOSHTIC] Used as a hardener in epoxy resin systems; [ChemIDplus]

Working with Glues and Adhesives [Category: Other]

General Manufacturing Information1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl-: ACTIVE

공급사50 곳

北京华美互利生物化工010-56205725 · [email protected]

湖北永阔科技有限公司027-59223108 15972152991 · [email protected]

Shandong chuangyingchemical Co., Ltd.18853181302 · [email protected]

湖北万得化工有限公司15377098680 15377098680 · [email protected]

广州纳珑化工有限公司13192879270; 13192879270 · [email protected]

추가 설명

정의ChEBI: A cyclic dicarboxylic anhydride that is the cyclic anhydride of methyltetrahydrophthalic acid.

연결된 노트

불러오는 중…

2,3,5,6-테트라히드로-2-메틸프탈산무수물

기본 정보

개요