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베타-알라닌

베타-알라닌
베타-알라닌 구조식 이미지
카스 번호:
107-95-9
한글명:
베타-알라닌
동의어(한글):
β-알라닌;베타-알라닌
상품명:
beta-Alanine
동의어(영문):
-Alaine;Analine;Abufene;BETA-ALA;NSC 7603;B-ALANINE;FEMA 3252;H-BAla-OH;á-alanine;SS-ALAINE
CBNumber:
CB0711205
분자식:
C3H7NO2
포뮬러 무게:
89.09
MOL 파일:
107-95-9.mol

베타-알라닌 속성

녹는점
202 °C (dec.)(lit.)
밀도
1,437 g/cm3
굴절률
1.4650 (estimate)
FEMA
3252 | BETA-ALANINE
인화점
204-206°C
저장 조건
Store at RT.
용해도
H2O: 1 M at 20 °C, clear, colorless
산도 계수 (pKa)
3.55(at 25℃)
물리적 상태
Crystalline Powder
색상
White
수소이온지수(pH)
6.0-7.5
수용성
Soluble in water(550g/L). Slightly soluble in alcohol. Insoluble in ether and acetone.
분해온도
204-206 ºC
최대 파장(λmax)
λ: 260 nm Amax: ≤0.02
λ: 280 nm Amax: ≤0.02
Merck
14,205
JECFA Number
1418
BRN
906793
안정성
Stable. Keep dry.
InChIKey
UCMIRNVEIXFBKS-UHFFFAOYSA-N
CAS 데이터베이스
107-95-9(CAS DataBase Reference)
NIST
Beta-alanine(107-95-9)
EPA
.beta.-Alanine(107-95-9)

안전

위험품 표기 Xi
위험 카페고리 넘버 36/37/38
안전지침서 24/25-36-26
WGK 독일 3
RTECS 번호 UA2369200
TSCA Yes
HS 번호 29224920

베타-알라닌 MSDS


3-Aminopropanoic acid

베타-알라닌 C화학적 특성, 용도, 생산

개요

β-Alanine (or beta-alanine) is a naturally occurring beta amino acid, which is an amino acid in which the amino group is at the β- position from the carboxylate group (i.e., two atoms away. The IUPAC name for β-alanine is 3-amino propanoic acid. Unlike its counterpart α-alanine, β-alanine has no stereocenter.
β-Alanine is not used in the biosynthesis of any major proteins or enzymes. It is formed in vivo by the degradation of dihydrouracil and carnosine. It is a component of the naturally occurring peptides carnosine and anserine and also of pantothenic acid (vitamin B5), which itself is a component of coenzyme A. Under normal conditions, β-alanine is metabolized into acetic acid.
β-Alanine is the rate-limiting precursor of carnosine, which is to say carnosine levels are limited by the amount of available β-alanine. Supplementation with β-alanine has been shown to increase the concentration of carnosine in muscles, decrease fatigue in athletes and increase total muscular work done.
Typically, studies have used supplementing strategies of multiple doses of 400 mg or 800 mg, administered at regular intervals for up to eight hours, over periods ranging from 4 to 10 weeks . After a 10 - week supplementing strategy, the reported increase in intramuscular carnosine content was an average of 80.1% (range 18 to 205%).

화학적 성질

This is a secondary amino acid, which is formed in vivo by the degradation of dihydrouracil and carnosine. Because neuronal uptake and neuronal receptor sensitivity to β-alanine have been demonstrated, the compound may be a false transmitter replacing GABA. A rare genetic disorder, hyper-β-alaninemia, has been reported. It is used as a flavor enhancer, flavoring agent, nutrient supplement or adjuvant. β-Alanine has a slightly sweet taste.

화학적 성질

White crystalline powder

출처

Reported to occur as a component in amino acids; carnosine, anserine, pantothenic acid

용도

β-Alanine is a naturally occurring beta amino acid. β-Alanine is formed in vivo by the degradation of dihydrouracil (D449990) and carnosine. β-Alanine is also the rate-limiting precursor of carnosine, as a result supplementation with β-alanine increases the concentration of carnosine in muscles.

정의

ChEBI: A naturally-occurring beta-amino acid comprising propionic acid with the amino group in the 3-position.

제조 방법

By heating acrylic acid with concentrated aqueous ammonia under pressure, by addition of acrylonitrile to phthalimide or to ammonia; from β-aminopropionitrile, from succinimide by the Hofmann degradation.

Purification Methods

Crystallise β-alanine by dissolving it in a hot saturated aqueous solution, filtering, adding four volumes of absolute EtOH and cooling in an ice-bath. Recrystallise it in the same way and then finally, crystallise it from a warm saturated solution in 50% EtOH and adding four volumes of absolute EtOH with cooling in an ice-bath. The crystals are dried in a vacuum desiccator over P2O5. [Donovan & Kegeles J Am Chem Soc 83 255 1961, Beilstein 4 IV 2526.]

베타-알라닌 준비 용품 및 원자재

원자재

준비 용품


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