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Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HCID 70생성일: 2026년 10월 24일

4-메틸-2-옥소발레르산

4-메틸-2-옥소발레르산 · KETOLEUCINE · 4-METHYL-2-OXOPENTANOIC ACID · ALPHA KETOISOCAPROATE · ALPHA-KETOISOCAPROIC ACID · 2-keto-isocaproate · 2-OXOISOCAPROIC ACID · 2-Oxo-4-methylpentanoic acid

https://huagongshe.com/ko/chemical/70

4-메틸-2-옥소발레르산 분자 구조식

식별자 및 물리적 특성

CAS No.816-66-0
분자식C6H10O3
평균 분자량130.14 g/mol
단동위원소 질량130.06299418 g/mol
SMILESCC(C)CC(=O)C(=O)O
InChIKeyBKAJNAXTPSGJCU-UHFFFAOYSA-N
PubChem CID70
ChEMBLCHEMBL445647
ChEBICHEBI:48430
EC No.212-435-5
DTXSIDDTXSID6061157
현지명4-메틸-2-옥소발레르산

화학 및 물리적 성질

XLogP0.9
극성 표면적54.4
수소 결합 공여자 수1
수소 결합 수용자 수3
회전 가능 결합 수3
무거운 원자 수9
형식 전하0
복잡도126
의약품Pharmaceuticals -> Listed in ZINC15
식품 첨가물FLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
밀도1.053-1.0581.055 g/mL at 20 °C(lit.)
향미제EU Flavoring substances
용해도32 mg/mLSoluble in waterSoluble (in ethanol)DMF: 30 mg/mlDMSO: 30 mg/mlEthanol: 30 mg/ml
끓는 점251 °C82-83 °C11 mm Hg(lit.)
녹는점8 - 10 °C8-10 °C
굴절률1.432-1.442n20/D 1.431
Physical DescriptionLiquidPale yellow liquidfruity aroma
FEMA3871 | 4-METHYL-2-OXOPENTANOIC ACID
저장 조건2-8°C
pKa(산도 계수)2.65±0.54(Predicted)
물리적 상태투명한 액체
색상무색~황색
냄새과일 같은
향취 유형과일 같은
용해도물에 용해됩니다.
JECFA Number633
BRN1701823
InChI1S/C6H10O3/c1-4(2)3-5(7)6(8)9/h4H,3H2,1-2H3,(H,8,9)
InChIKeyBKAJNAXTPSGJCU-UHFFFAOYSA-N
SMILESCC(C)CC(=O)C(O)=O
LogP(분배 계수)0.17
NIST4-Methyl-2-oxovaleric acid(816-66-0)
EPA.alpha.-Ketoisocaproic acid (816-66-0)

안전 및 규제

GHS 분류DangerH314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 43 reports by companies from 3 notifications to the ECHA C&L Inventory.
규제 정보Pentanoic acid, 4-methyl-2-oxo-: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesSkin Corr. 1C (100%)
건강 영향Chronically high levels of keto-leucine are associated with Maple Syrup Urine Disease.
독성 요약Ketoleucine is a metabolite that accumulates in Maple Syrup Urine Disease (MSUD) and shown to compromise brain energy metabolism by blocking the respiratory chain.
Carcinogen ClassificationNo indication of carcinogenicity to humans (not listed by IARC).
수질 위해 등급(WGK)3
TSCA 등재 상태TSCA listed
운송 번호(UN)UN 3265 8/PG 3
관세 코드2918.30.9000
위험 문구(R)34
위험 표시C
안전 문구(S)26-36/37/39-45
포장분류III
위험 등급8Skin Corr. 1B
기존화학 물질KE-24681
F 고인화성물질3-9-13
저장 분류8A - Combustible corrosive hazardous materials

용도

출처

Reported found in banana, asparagus, cheese, white wine, cocoa, blue cheese and provolone cheese.

용도

4-Methyl-2-oxovaleric acid is an intermediate in the metabolism of leucine and also used as flavoring agents.