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
PubChem Substance ID:
eCl@ss:
38120104
UNSPSC Code:
12352106
NACRES:
NA.21
EC Number:
233-139-2
MDL number:
Assay:
≥99.8%
Form:
powder or crystals
Quality Level
agency
USP/NF, reag. ISO, reag. Ph. Eur.
vapor pressure
2.6 mmHg ( 20 °C)
grade
ACS reagent, puriss. p.a.
assay
≥99.8%
form
powder or crystals
impurities
≤0.005% insoluble in methanol, ≤0.05% with methanol-HCl non-volat. matter
pH
3.6-4.0 (20 °C, 4%)
mp
160 °C (dec.) (lit.)
solubility
water: soluble
density
1.440 g/cm3
anion traces
chloride (Cl-): ≤3 mg/kg, phosphate (PO43-): ≤5 mg/kg, sulfate (SO42-): ≤5 mg/kg
cation traces
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 string
OB(O)O
InChI
1S/BH3O3/c2-1(3)4/h2-4H
InChI key
KGBXLFKZBHKPEV-UHFFFAOYSA-N
General description
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。
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。
Application
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。
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signalword
Danger
hcodes
Hazard Classifications
Repr. 1B
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
此项目有
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
Catanzaro EJ, et al.
Boric Acid: Isotopic and Assay Standard Reference Materials, 1-1 (1970)
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)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 31146-2.5KG | 04061833636800 |
| 31146-500G | 04061826681602 |
| 31146-1KG | 04061835562190 |
| 31146-6X1KG | 04061835562220 |
| 31146-6X2.5KG | 04061835562237 |
| 31146-6X500G | 04061833636817 |