695041
硝酸
ACS reagent, ≥90.0%
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关于此项目
经验公式（希尔记法）:
HNO3
化学文摘社编号:
分子量:
63.01
PubChem Substance ID:
eCl@ss:
38060304
UNSPSC Code:
12352209
NACRES:
NA.21
EC Number:
231-714-2
MDL number:
产品名称
硝酸, ACS reagent, ≥90.0%
InChI key
GRYLNZFGIOXLOG-UHFFFAOYSA-N
InChI
1S/HNO3/c2-1(3)4/h(H,2,3,4)
SMILES string
O[N+]([O-])=O
grade
ACS reagent
vapor density
1.3 (vs air)
vapor pressure
6.6 mmHg ( 20 °C)
8 mmHg ( 20 °C)
description
dilution test passes test
assay
≥90.0%
form
liquid
ign. residue
≤0.002%
color
colorless to yellow
bp
120.5 °C (lit.)
density
1.48 g/mL at 20 °C (lit.)
anion traces
chloride (Cl-): ≤0.7 ppm
dissolved oxides: ≤0.1% (as N2O3)
sulfate (SO42-): ≤5 ppm
cation traces
As: ≤0.3 ppm
Fe: ≤2 ppm
heavy metals (as Pb): ≤5 ppm
Quality Level
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Application
硝酸可用作：
- 氧化剂，使用硫酸将羧酸基接枝到CNT（碳纳米管）上，从而产生CNT-COOH。
- 在燃烧法，将溶液的pH值调整为7。它是制备混合磁铁矿-赤铁矿纳米颗粒的步骤之一。
- 作为硝化剂，与硫酸合成8-硝基-7-羟基-4-甲基香豆素和6-硝基-7-羟基-4-甲基香豆素。
General description
硝酸常用作有机分子硝化和氧化的主要试剂。在有机合成中，它还被用作执行氧化转化的强氧化剂。此外，硝酸还用于生产聚氨酯和聚酰胺的中间体。
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1A
supp_hazards
存储类别
5.1A - Strongly oxidizing hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
易制爆化学品
危险化学品
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