Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
2-에틸부티르 산
2-에틸부티르산 · Acetic acid, diethyl- · FEMA 2429 · 2-ethylbutyric · DIETHYLACETIC ACID · Aceticacid,diethyl- · 2-ETHYL BUTANOIC ACID · (C2H5)2CHCOOH

식별자 및 물리적 특성
| CAS No. | 88-09-5 |
|---|---|
| 분자식 | C6H12O2 |
| 평균 분자량 | 116.16 g/mol |
| 단동위원소 질량 | 116.08372962 g/mol |
| SMILES | CCC(CC)C(=O)O |
| InChIKey | OXQGTIUCKGYOAA-UHFFFAOYSA-N |
| PubChem CID | 6915 |
| ChEMBL | CHEMBL184290 |
| ChEBI | CHEBI:173424 |
| EC No. | 201-796-4 |
| DTXSID | DTXSID2041418 |
| 현지명 | 2-에틸부티르 산 |
화학 및 물리적 성질
| XLogP | 1.7 |
|---|---|
| 극성 표면적 | 37.3 |
| 수소 결합 공여자 수 | 1 |
| 수소 결합 수용자 수 | 2 |
| 회전 가능 결합 수 | 3 |
| 무거운 원자 수 | 8 |
| 형식 전하 | 0 |
| 복잡도 | 74.6 |
| 물질 분류 | Other Classes -> Organic Acids |
| 지질 | Fatty Acyls [FA] -> Fatty Acids and Conjugates [FA01] -> Branched fatty acids [FA0102] |
| SpringerMaterials Properties | Boiling point |
| 향료 | Fragrance Ingredient (2-Ethylbutyric acid) -> IFRA transparency List |
| LogP(분배 계수) | 1.68 |
| 식품 첨가물 | FLAVORING AGENT OR ADJUVANT -> FDA Substance added to food |
| 밀도 | 0.917-0.9220.92 g/mL at 25 °C (lit.) |
| 향미제 | EU Flavoring substances |
| 용해도 | 18 mg/mL at 20 °Cmiscible with alcohol, ethersoluble in water 1 ml in 65 ml(in ethanol)18g/L |
| 끓는 점 | 99.00 to 101.00 °C. @ 18.00 mm Hg99 °C (18 mm Hg)99-101 °C/18 mmHg (lit.) |
| 녹는점 | -15 °C-16--13 °C (lit.) |
| 증기압 | 0.18 [mmHg]0.08 mm Hg ( 20 °C) |
| 굴절률 | n20/D 1.413(lit.) |
| FEMA | 2429 | 2-ETHYLBUTYRIC ACID |
| 인화점 | 190 °F |
| 저장 조건 | Store below +30°C. |
| 물리적 상태 | 투명한 액체 |
| pKa(산도 계수) | pKa: 4.751(25°C) |
| 색상 | 무색 내지 거의 무색 |
| 냄새 | 프로필렌 글리콜 중 10.00%. 산성 과일향 위스키 드라이 베리 |
| pH | 3 (18g/l, H2O, 20℃) |
| 폭발한계 | 1.4%(V) |
| 향취 유형 | 산성의 |
| 생물학적 소스 | synthetic |
| 용해도 | 18g/L(20℃) |
| Merck | 14,3110 |
| JECFA Number | 257 |
| BRN | 1098634 |
| 헨리 상수 | 6.2×100 mol/(m3Pa) at 25℃, Duchowicz et al. (2020) |
| 화장품 원료 기능 | 향수 |
| InChI | 1S/C6H12O2/c1-3-5(4-2)6(7)8/h5H,3-4H2,1-2H3,(H,7,8) |
| InChIKey | OXQGTIUCKGYOAA-UHFFFAOYSA-N |
| SMILES | CCC(CC)C(O)=O |
| LogP(분배 계수) | 1.68 |
| NIST | Butanoic acid, 2-ethyl-(88-09-5) |
| EPA | 2-Ethylbutyric acid (88-09-5) |
화학적 성질
2-Ethylbutyric acid has a rancid, oily-fruity, acidulous odor
안전 및 규제
| GHS 분류 | DangerH311 (97.3%): Toxic in contact with skin [Danger Acute toxicity, dermal]P262, P264, P264+P265, P270, P280, P302+P352, P305+P351+P338, P316, P321, P337+P317, P361+P364, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 1653 reports by companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.H227: Combustible liquid [Warning Flammable liquids] |
|---|---|
| 규제 정보 | Chemical: Butanoic acid, 2-ethyl-Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)Status: Active Update: 13-05-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/247202-Ethylbutyric acid: Does not have an individual approval but may be used under an appropriate group standard |
| 유해성 요약 | Safe when used as a flavoring agent in food[JECFA] A reproductive/developmental oral study of rats produced increased kidney weights (without corresponding histopathology), no adverse effects on sexual organs or reproductive parameters, and decreased birth index with NOAEL's of 10 mg/kg/day in males, 50 mg/kg/day in females, 250 mg/kg/day for reproductive toxicity, and 50 mg/kg/day for developmental toxicity[OECD SIDS] Dermal LD50 (rabbit) = 520 uL/kg[RTECS] A mild skin, mucous membrane, and severe eye irritantHarmful by skin absorption[Acros Organics MSDS] |
| Hazard Classes and Categories | Acute Tox. 3 (97.3%)Flammable liquids - Category 4 |
| 수질 위해 등급(WGK) | 1 |
| TSCA 등재 상태 | TSCA listed |
| RTECS 번호 | ET1400000 |
| 운송 번호(UN) | UN 2810 6.1/PG 3 |
| 독성 | LD50 orally in Rabbit: 2200 mg/kg LD50 dermal Rabbit 478 mg/kg |
| 관세 코드 | 29159080 |
| 위험 문구(R) | 21-36/37/38-34 |
용도
출처
Reported found in guava fruit, wheaten bread and cheeses (Parmesan, blue, cheddar, provolone, Romano and goat), apple, banana, grape, melon, papaya, peach, pineapple and more.
용도
2-Ethylbutyric Acid is a flavoring agent that is a clear liquid, color- less, with a rancid odor. it is miscible in alcohol and ether, sparingly soluble in water, and is obtained by chemical synthesis.
제조 및 합성 방법
제조 방법
By catalytic oxidation of diethylacetaldehyde or by decarboxylation of diethylmalonic acid.