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글루콘산

글루콘산
글루콘산 구조식 이미지
카스 번호:
526-95-4
한글명:
글루콘산
동의어(한글):
글루콘산;글루코닉산50%
상품명:
Gluconic acid
동의어(영문):
gluconic;glosanto;NSC 77381;glyconicacid;Hexonic acid;GLUCONIC ACI;Glyconic acid;d-gluconicaci;dextronicacid;MALTONIC ACID
CBNumber:
CB2252915
분자식:
C6H12O7
포뮬러 무게:
196.16
MOL 파일:
526-95-4.mol

글루콘산 속성

녹는점
15 °C
끓는 점
102 °C
알파
D20 -6.7° (c = 1)
밀도
1.23
굴절률
1.4161
저장 조건
Store at RT.
물리적 상태
Crystalline Powder or Crystals
산도 계수 (pKa)
pK (25°) 3.60
색상
White to light yellow
Specific Gravity
1.234
optical activity
[α]/D +9.0 to 15.5°
수용성
Soluble in water.
Merck
14,4456
BRN
1726055
CAS 데이터베이스
526-95-4(CAS DataBase Reference)
NIST
Gluconic acid(526-95-4)
EPA
D-Gluconic acid(526-95-4)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xi,C
위험 카페고리 넘버 36/37/38-34
안전지침서 37/39-26-45-36/37/39
유엔번호(UN No.) 3265
WGK 독일 -
RTECS 번호 LZ5057100
TSCA Yes
위험 등급 8
포장분류 III
HS 번호 29181600
유해 물질 데이터 526-95-4(Hazardous Substances Data)
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H314 피부에 심한 화상과 눈에 손상을 일으킴 피부부식성 또는 자극성물질 구분 1A, B, C 위험 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 눈에 심한 손상을 일으킴 심한 눈 손상 또는 자극성 물질 구분 1 위험 P280, P305+P351+P338, P310
예방조치문구:
P260 분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P301+P330+P331 삼켰다면 입을 씻어내시오. 토하게 하려 하지 마시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P405 밀봉하여 저장하시오.
P501 ...에 내용물 / 용기를 폐기 하시오.

글루콘산 MSDS


Gluconic acid

글루콘산 C화학적 특성, 용도, 생산

개요

글루콘산은 부드럽고, 청량한 산미(酸味)를 가지므로, 주류, 식초, 청량음료의 첨가물로 사 용됩니다. 철제품의 방청력이 강해 철제품이 쉽게 녹슬지 않도록 하는데 사용됩니다. 금속표면의 산화물, 스케일등을 금속자체의 부식없이 쉽게 제거하므로 탈청제, 스케일제거 제 등으로 사용됩니다.

용도

식품 : 주류, 식초, 청량음료등의 산미료(酸味料), 식품제조 장치 및 용기의 스케일 제거 및 세척제 등.
금속 : 세관제, 금속처리제, 방청제, 탈지제.
섬유 : 염색보조제.

포장, 보관

철 및 이온성 금속, 알루미늄 재질은 부식성이 있으므로 스테인레스 316, 304, 프라스틱, 유리재질의 용기사용. 45% 용액은 저온 (4℃)에서 흰색 결정이 석출될 수 있으며, 결정 석출 시 가온하면 쉽게 녹음. 15℃ 이상에서 저장하는 것이 좋음.

개요

Gluconic acid is an organic compound with molecular formula C6H12O7 and condensed structural formula HOCH2(CHOH)4COOH. It is one of the 16 stereoisomers of 2,3,4,5,6-penta hydroxy hexanoic acid.
In aqueous solution at neutral pH, gluconic acid forms the gluconate ion. The salts of gluconic acid are known as "gluconates". Gluconic acid, gluconate salts, and gluconate esters occur widely in nature because such species arise from the oxidation of glucose. Some drugs are injected in the form of gluconates.

화학적 성질

d-Gluconic acid is an acid sugar composed of white crystals with a milk-acidic taste. In aqueous solutions, it is in equilibrium with gamma- and delta-gluconolactones. It is prepared by enzymatic oxidation of glucose and strains of the microorganisms used to supply the enzyme action are nonpathogenic and nontoxicogenic to man or other animals. This substance is used as a component of bottle rinsing formulations, at levels not to exceed good manufacturing practice.
An FDA letter to a trade association revoking affirmation of general recognition of safety in dietary supplements was dated April 9, 1970.

화학적 성질

clear yellow to brownish-yellow solution

물리적 성질

The chemical structure of gluconic acid consists of a six-carbon chain with five hydroxyl groups terminating in a carboxylic acid group. In aqueous solution, gluconic acid exists in equilibrium with the cyclic ester glucono delta-lactone.

출처

Gluconic acid occurs naturally in fruit, honey, kombucha tea, and wine. As a food additive ( E574 ), it is an acidity regulator. It is also used in cleaning products where it dissolves mineral deposits especially in alkaline solution. The gluconate anion chelates Ca2+,Fe2+, Al3+, and other metals. In 1929 Horace Terhune Herrick developed a process for producing the salt by fermentation.
Calcium gluconate, in the form of a gel, is used to treat burns from hydrofluoric acid; calcium gluconate injections may be used for more severe cases to avoid necrosis of deep tissues. Quinine gluconate is a salt between gluconic acid and quinine, which is used for intramuscular injection in the treatment of malaria. Zinc gluconate injections are used to neuter male dogs. Iron gluconate injections have been proposed in the past to treat anemia.

용도

A chemical used in glycolytic pathway studies.

용도

Gluconic Acid is an acidulant that is a mild organic acid which is the hydrolyzed form of glucono-delta-lactone. it is prepared by the fermentation of dextrose, whereby the physiological d-form is produced. it is soluble in water with a solubility of 100 g/100 ml at 20°c. it has a mild taste and at 1% has a ph of 2.8. it functions as an antioxidant and enhances the function of other antioxidants. in beverages, syrups, and wine, it can eliminate calcium turbidities. it is used as a leavening component in cake mixes, and as an acid component in dry-mix desserts and dry beverage mixes.

정의

A soluble crystalline organic acid made by the oxidation of glucose (using specific molds). It is used in paint strippers.

정의

gluconic acid: An opticallyactive hydroxycarboxylic acid,CH2(OH)(CHOH)4COOH. It is the carboxylicacid corresponding to the aldosesugar glucose, and can be madeby the action of certain moulds.

상표명

Calglucon (Novartis).

생명 공학 생산

Currently, gluconic acid is commercially produced by submerged fed-batch cultivations of Aspergillus niger using glucose as substrate. A. niger produces citric acid and gluconic acid growing on glucose. The product concentration and yields of the product depend on the fermentation conditions. For optimal gluconic acid production, high glucose concentrations (110–250 g.L-1), low concentrations of nitrogen and phosphorus in the medium, a limitation of metal ion concentrations, a pH value in the range of 4.5–6.5, and high aeration rates for the oxygen supply are needed.
Much research has been carried out to find new ways for cheaper production. Different microorganisms have been studied (e.g. G. oxydans, Z. mobilis, A. methanolicous, and P. fluorescence. Moreover, new microbial strains have been developed by mutagenesis or genetic engineering. Additionally, the fermentation process and recovery have been optimized. New inexpensive substrates (e.g. cornstarch, grape or banana must, figs, and cheese whey) have been tested.
One example of a new and efficient production process of gluconic acid is the cultivation of Aureobasidium pullulans growing on glucose. Using a continuous process with biomass retention by crossover filtration, a product concentration of 375 g.L-1, a yield of 0.83 g of gluconic acid per gram of glucose, and a productivity of 17 g.L-1.h-1 could be achieved at a residence time of 22 h. In this process, 100 % of the glucose is converted. This process might be interesting for industrial applications. In continuous gluconic acid production with immobilized mycelia of A. niger, product concentrations of 120–140 g.L-1 have been achieved.

글루콘산 준비 용품 및 원자재

원자재

준비 용품


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