31146
硼酸
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, ≥99.8%
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关于此项目
线性分子式:
H3BO3
化学文摘社编号:
分子量:
61.83
EC 号:
MDL编号:
UNSPSC代码:
12352106
eCl@ss:
38120104
PubChem化学物质编号:
NACRES:
NA.21
等级
ACS reagent
puriss. p.a.
质量水平
Agency
USP/NF
reag. ISO
reag. Ph. Eur.
蒸汽压
2.6 mmHg ( 20 °C)
方案
≥99.8%
表单
powder or crystals
杂质
≤0.005% insoluble in methanol
≤0.05% with methanol-HCl non-volat. matter
pH值（酸碱度）
3.6-4.0 (20 °C, 4%)
mp
160 °C (dec.) (lit.)
溶解性
water: soluble
密度
1.440 g/cm3
痕量阴离子
chloride (Cl-): ≤3 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤5 mg/kg
痕量阳离子
As: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤1 mg/kg
Mg: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
SMILES字符串
OB(O)O
InChI
1S/BH3O3/c2-1(3)4/h2-4H
InChI key
KGBXLFKZBHKPEV-UHFFFAOYSA-N
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一般描述
硼酸可作为有机合成中的路易斯酸催化剂，以促进各种有机反应，包括脱水、水解、脱羧和缩合反应。它可以产生不同的硼酸阴离子和盐，并与醇反应生成硼酸酯。它也被用作缓冲剂和 pH 调节剂。
硼酸是一种非常弱的酸，pH 值在 3.6-4.0 范围内。报道了用库仑法测定硼酸含量的方法。
应用
硼酸可用作前体，以富碳甲烷和富氮氨为原料，通过常压化学气相沉积（APCVD）法制备硼碳氮氧化物薄膜。
警示用语：
Danger
危险声明
危险分类
Repr. 1B
储存分类代码
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
危险化学品
此项目有
Catanzaro EJ, et al.
Boric Acid: Isotopic and Assay Standard Reference Materials, 1-1 (1970)
L Romano et al.
The Journal of antimicrobial chemotherapy, 55(1), 110-114 (2004-12-03)
There is very little information, to date, on the antifungal activity of bergamot oil. In this study, we investigated the in vitro activity of three bergamot oils (natural essence, furocoumarin-free extract and distilled extract) against clinically relevant Candida species. We
One-pot synthesis of 3, 4-dihydropyrimidin-2(1H)-ones using boric acid as catalyst.
Tu S, et al.
Tetrahedron Letters, 44(32), 6153-6155 (2003)
L Charlet Bhami et al.
Journal of vector borne diseases, 52(2), 147-152 (2015-06-30)
The use of low concentrations of boric acid as a potential and effective control agent for the eggs and immature stages of Aedes aegypti L. and Aedes albopictus Skuse (Diptera: Culicidae) is found to be safe and effective as compared
Hye Ryeo Lee et al.
Journal of chromatography. A, 1346, 117-122 (2014-05-09)
In liquid phase microextraction, high enrichment factors can be obtained using an acceptor phase of small volume. By hanging an acceptor drop at the separation capillary tip, single drop microextraction (SDME) can be in-line coupled with capillary electrophoresis (CE). The
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