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1-Nitroso-2-Naphthol

Dangerous Goods

CAS number:131-91-9    molecular formula:C10H7NO2

overview

compound introduction

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.

Specs

Chinese alias钴试剂
English alias757I55U2QX | 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 number131-91-9molecular formulaC10H7NO2
molecular weight173.17 g/molExact mass≥96%
PSA49.700 Ųlogp2.300

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