易升华。微溶于水,溶于乙醇、苯、乙醚、二硫化碳、苛性碱溶液,三氯化碳、四氯化碳等有机溶剂,微溶于冷石油醚。溶液微黄色或棕橙色,与Co3+、Ru3+、ZrO2+、Fe2+等生成红或蓝色得微溶于水的配合物,可为三氯甲烷、四氯化碳萃取。用作光度法测定钴、钯、锆的显色剂。用作富集Cr3+、Co2+、Fe2+、UO 的共沉淀剂,也用作Ag+、Cd2+、Co2+、Cu2+、Ni2+、Th4+等离子的萃取剂,称量法测定钴的沉淀剂。还用作有机合成中间体。 Used for the removal and preconcentration of Pb(II), Cu(II), Cr(III) from waste, as well as drinking water. It is also used in the preconcentration of cobalt using C(18) microcolumn with flow injection that is coupled to a flame atomic absorption spectrometry (FI-FAAS) system.
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1-Nitroso-2-Naphthol
Dangerous GoodsCAS number:131-91-9 molecular formula:C10H7NO2
overview
compound introduction
Specs
| Chinese alias | 钴试剂 | ||
| English alias | 757I55U2QX | Nitroso-.beta.-naphthol | WLN: L66J BNO CQ | NSC677525 | NSC-677525 | 1-Nitroso-2-naftol [Czech] | Zelen moridlova 4 [Czech] | 1-Nitroso-2-naftol | CHEBI:194993 | 1,2-Naphthoquinone 1-oxime | .alpha.-Nitroso-.beta.-naphthol oxime | AKOS005622 | ||
| CAS number | 131-91-9 | molecular formula | C10H7NO2 |
| molecular weight | 173.17 g/mol | Exact mass | ≥96% |
| PSA | 49.700 Ų | logp | 2.300 |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
pictogram:
GHS07
Hazard Statement:
H315: 引起皮肤刺激 H319: 引起严重眼睛刺激 H335: 可能引起呼吸道刺激 H302: 吞食有害
Statement of Preventive Measures:
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P305+P351+P338: 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。
WGK Germany:
3
Personal protective equipment:
dust mask type N95 (US),Eyeshields,Gloves
RTECS:
QL4725000
UN Number:
2811
Production methods and uses
No production method and use information yet
Related
upstream information
No upstream information yet
downstream information
No downstream information yet
MSDS
Found 1 shareMSDS
131-91-9 | 1-Nitroso-2-naphthol.pdf





