239232
氢氧化钙
ACS reagent, ≥95.0%
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关于此项目
线性分子式:
Ca(OH)2
化学文摘社编号:
分子量:
74.09
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352305
EC Number:
215-137-3
MDL number:
Assay:
≥95.0%
Grade:
ACS reagent
Form:
powder
产品名称
氢氧化钙, ACS reagent, ≥95.0%
InChI key
AXCZMVOFGPJBDE-UHFFFAOYSA-L
InChI
1S/Ca.2H2O/h;2*1H2/q+2;;/p-2
SMILES string
O[Ca]O
grade
ACS reagent
assay
≥95.0%
form
powder
impurities
≤0.03% insol. in HCl
≤0.1% S compounds
≤3.0% calcium carbonate
pH
12.4-12.6 (20 °C)
density
2.24 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.03%
cation traces
Fe: ≤0.05%
K: ≤0.05%
Mg: ≤0.5%
Na: ≤0.05%
Sr: ≤0.05%
heavy metals: ≤0.003% (by ICP)
Quality Level
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Application
氢氧化钙可用于：
- 在流化床反应器中热解期间对工业木质素进行预处理，以克服团聚产生富含酚类的生物油。
- 在固定床反应器中作为松木热解的催化剂。
General description
氢氧化钙通常用于污水处理厂（WWTP）调节pH值。氢氧化钙由于其强碱性而具有许多应用。用途包括水和污水处理中的絮凝剂、石灰水成分、土壤改良、作为非碱液头发松弛剂中的碱液替代品，以及在石灰工业中中和酸。
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
The antibacterial effect of camphorated paramonochlorophenol, camphorated phenol and calcium hydroxide in the treatment of infected root canals.
A Bystrom et al.
Endodontics & dental traumatology, 1(5), 170-175 (1985-10-01)
U Schröder
Journal of dental research, 64 Spec No, 541-548 (1985-04-01)
The findings from the recent literature on pulpal cell responses to the application of calcium hydroxide to exposed pulps are described. The effect of calcium hydroxide on healthy and inflamed pulp is discussed. The effect of incorporation of calcium hydroxide
F H van de Sande et al.
Journal of dental research, 92(7 Suppl), 78S-83S (2013-05-22)
This practice-based retrospective study evaluated the survival of resin composite restorations in posterior teeth, focusing on the influence of potential patient risk factors. In total, 306 posterior composite restorations placed in 44 adult patients were investigated after 10 to 18
Lidan Ye et al.
Bioresource technology, 132, 38-44 (2013-02-13)
Cost-effective production of optically pure lactic acid from lignocellulose sugars is commercially attractive but challenging. Bacillus coagulans C106 was isolated from environment and used to produce l-lactic acid from xylose at 50°C and pH 6.0 in mineral salts medium containing
C Sathorn et al.
International endodontic journal, 40(1), 2-10 (2007-01-11)
To determine to what extent does calcium hydroxide intracanal medication eliminate bacteria from human root canals, compared with the same canals before medication, as measured by the number of positive cultures, in patients undergoing root canal treatment for apical periodontitis
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