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About This Item
线性分子式:
H3BO3
CAS号:
分子量:
61.83
EC號碼:
MDL號碼:
分類程式碼代碼:
12352106
eCl@ss:
38120104
PubChem物質ID:
NACRES:
NA.21
推荐产品
等級
ACS reagent
puriss. p.a.
品質等級
agency
USP/NF
reag. ISO
reag. Ph. Eur.
蒸汽壓力
2.6 mmHg ( 20 °C)
化驗
≥99.8%
形狀
powder or crystals
雜質
≤0.005% insoluble in methanol
≤0.05% with methanol-HCl non-volat. matter
pH值
3.6-4.0 (20 °C, 4%)
mp
160 °C (dec.) (lit.)
溶解度
water: soluble
密度
1.440 g/cm3
負離子痕跡
chloride (Cl-): ≤3 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤5 mg/kg
正離子痕跡
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 字串
OB(O)O
InChI
1S/BH3O3/c2-1(3)4/h2-4H
InChI 密鑰
KGBXLFKZBHKPEV-UHFFFAOYSA-N
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相关类别
一般說明
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。
應用
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。
訊號詞
Danger
危險聲明
危險分類
Repr. 1B
儲存類別代碼
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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