Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
아이소메틸테트라히드로프탈 무수물
아이소메틸테트라히드로프탈무수물 · 아이소메틸테트라히드로프탈무수물(ISOMETHYLTETRAHYDROPHTHALICANHYDRIDE) · MTHPA · ac220 · isomethyltetrahydrophthalic anhydride · AC 220 · 4-MTHPA · MTHPA-600
식별자 및 물리적 특성
| CAS No. | 26590-20-5 |
|---|---|
| 분자식 | C9H10O3 |
| 평균 분자량 | 166.17 g/mol |
| 단동위원소 질량 | 166.06299418 g/mol |
| SMILES | CC12CC=CCC1C(=O)OC2=O |
| InChIKey | SOOZEQGBHHIHEF-UHFFFAOYSA-N |
| PubChem CID | 198243 |
| ChEBI | CHEBI:55466 |
| EC No. | 247-830-1 |
| DTXSID | DTXSID40962532 |
| 현지명 | 아이소메틸테트라히드로프탈 무수물 |
화학 및 물리적 성질
| XLogP | 1.1 |
|---|---|
| 극성 표면적 | 43.4 |
| 수소 결합 공여자 수 | 0 |
| 수소 결합 수용자 수 | 3 |
| 회전 가능 결합 수 | 0 |
| 무거운 원자 수 | 12 |
| 형식 전하 | 0 |
| 복잡도 | 279 |
| Polymers | Plastics & Rubber -> Acid Anhydrides, Cyclic |
| 밀도 | 1.20 @25 °C1.1708 (rough estimate) |
| 인화점 | 350 °C |
| 끓는 점 | 124 °C254.38°C (rough estimate) |
| 녹는점 | -29 °C63-64 °C |
| Physical Description | Liquid[ICSC]OILY LIQUID. |
| 굴절률 | 1.5500 (estimate) |
| 저장 조건 | -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 | 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl- (26590-20-5) |
화학적 성질
light yellow liquid,colorless liquid
안전 및 규제
| GHS 분류 | DangerH317: 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) |
|---|---|
| 규제 정보 | Chemical: 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl-Hazard Traits - Respiratory Toxicity1,3-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. |
| 기타 안전 정보 | IMAP assessments - Tetrahydrophthalic anhydrides and analogues: Human health tier II assessment |
| 화재 위험 | Combustible. |
| 유해성 요약 | 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 Apr32(4):204-9.] Prolonged or repeated exposure may cause asthma and contact urticaria[ICSC] Causes asthma, rhinitis, allergic conjunctivitis, and rarely, allergic urticariaA 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 분류 | Symbol: XnR: 41-42/43S: (2)-22-24-26-37/39Note: C |
| Hazard Classes and Categories | Skin Sens. 1 (100%)Eye damage - category 1Eye Dam. 1 |
| 소화 | In case of fire in the surroundings, use appropriate extinguishing media. |
| 응급 조치 | 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. |
| 누출 처리 | Personal protection: chemical protection suit including self-contained breathing apparatus. Collect leaking liquid in covered containers. |
| Eye Prevention | Wear face shield or eye protection in combination with breathing protection. |
| Fire Prevention | NO open flames. |
| Skin Prevention | Protective gloves. Protective clothing. |
| Exposure Prevention | AVOID ALL CONTACT! |
| Ingestion Prevention | Do not eat, drink, or smoke during work. |
| Inhalation Prevention | Use ventilation, local exhaust or breathing protection. |
| Threshold Limit Values (TLV) | 0.00007 [ppm], (TLV-SL = 0.7 mg/100 cm2)0.0003 [ppm]0.00007 ppm as TWA700 μg/100 cm |
| Effects of Long Term Exposure | Repeated or prolonged inhalation may cause asthma. The substance may have effects on the skin. This may result in contact urticaria. |
| Protective Action Criteria (PAC) | 0.075 [mg/m3]83 [mg/m3]500 [mg/m3] |
| 유해 작용 | Asthma - Reversible bronchoconstriction (narrowing of bronchioles) initiated by the inhalation of irritating or allergenic agents. |
| 노출 경로 | The substance can be absorbed into the body by inhalation. |
| Signs and Symptoms | Cough.Redness. |
| TSCA 등재 상태 | TSCA listed |
| 기존화학 물질 | KE-25352 |