77402
熔点标准品 69-71°C
analytical standard
别名:
硬脂酸, 1-十八碳烷酸, C18:0, NSC 25956, NSC 261168, 十八烷酸
等级
analytical standard
质量水平
蒸汽压
1 mmHg ( 173.7 °C)
保质期
limited shelf life, expiry date on the label
沸点
361 °C (lit.)
mp
67-72 °C (lit.)
69-71 °C (±0.3°C)
应用
food and beverages
pharmaceutical
包装形式
neat
SMILES字符串
CCCCCCCCCCCCCCCCCC(O)=O
InChI
1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)
InChI key
QIQXTHQIDYTFRH-UHFFFAOYSA-N
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一般描述
Melting point standard 69-71 °C, stearic acid is an mp standard, ideal for the routine calibration of melting point apparatus to assure its accuracy, as per local, national and international standards laboratories. The mp value is documented as an average of 6 to 12 iterations using a Büchi B-545 equipment that is calibrated against primary standards. Melting point is ascertained by Capillary method, according to Ph. Eur. 2.2.14.
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.
应用
Stearic Acid melting point standard 69-71 °C is a melting point calibration standard, used for determining the identity and purity of chemical substances.
This product also has additional use as a reference standard in thermal property studies.
This product also has additional use as a reference standard in thermal property studies.
特点和优势
- Traceable to primary standards from LGC, London
- Grade: Analytical Standard
- Melting point as confirmed in the thermodynamic mode of analysis
- Measured uncertainty up to ± 0.3 °C
- Available with certificates of analysis and safety data sheet
储存分类代码
11 - Combustible Solids
WGK
nwg
闪点(°F)
392.0 °F - Cleveland open cup
闪点(°C)
200 °C - Cleveland open cup
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
In Vitro Starch Digestion and Physicochemical Properties of Maize Starch and Maize Meal Modified by Heat-Moisture Treatment and Stearic Acid
Asare IK, et al.
Starch/Staerke (2021)
Palle J Pedersen et al.
Journal of medicinal chemistry, 53(9), 3782-3792 (2010-04-22)
The design of retinoid phospholipid prodrugs is described based on molecular dynamics simulations and cytotoxicity studies of synthetic retinoid esters. The prodrugs are degradable by secretory phospholipase A(2) IIA and have potential in liposomal drug delivery targeting tumors. We have
Piret Arukuusk et al.
Biochimica et biophysica acta, 1828(5), 1365-1373 (2013-01-30)
Harnessing of a branched structure is a novel approach in the design of cell-penetrating peptides and it has provided highly efficient transfection reagents for intracellular delivery of nucleic acids. The new stearylated TP10 analogs, NickFects, condense plasmid DNA, splice correcting
Ulla Hoppu et al.
Journal of pediatric gastroenterology and nutrition, 41(3), 335-338 (2005-09-01)
Breast milk fatty acids may have immunomodulatory properties related to the development of atopic disease. The aim of this study was to assess the impact of the breast milk fatty acid composition on the development of atopic dermatitis (AD) in
A M Turpeinen et al.
Arteriosclerosis, thrombosis, and vascular biology, 18(2), 316-322 (1998-03-04)
The effects of stearic acid (C18:0) and trans-fatty acids (trans-FAs) on measures of platelet function and prostacyclin (PGI2) production are poorly understood in humans. In this controlled dietary study, platelet function and endothelial PGI2 production were studied in healthy humans
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