一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

2-????-1-???

2-????-1-???
2-????-1-??? ??? ???
?? ??:
132-53-6
???:
2-????-1-???
???(??):
2-?????-1-???;2-????-1-???;β-????-α-???
???:
2-Nitroso-1-naphthol
???(??):
ci76610;C.I. 76610;CI NO 10010;Nitroso-1-napht;2-Nitrosonaphthol;2-nitroso-1-naphtho;beta-Nitrosonaphthol;2-NITROSO-1-NAPHTHOL;C.I.Oxidation Base 15;2-Nitroiso-1-Naphthol
CBNumber:
CB7317770
???:
C10H7NO2
??? ??:
173.17
MOL ??:
132-53-6.mol

2-????-1-??? ??

???
150-155 °C (dec.)(lit.)
?? ?
303.81°C (rough estimate)
??
1.2427 (rough estimate)
???
1.5200 (estimate)
?? ?? (pKa)
7.47±0.10(Predicted)
??? ??
??
??? ??
??? ??
?? ?? ??
10010
??
H2O ?? C6H6?? ??? ??? ?? ?? ??
??
?? ??
???
?? ???
BRN
1867919
InChI
1S/C10H7NO2/c12-10-8-4-2-1-3-7(8)5-6-9(10)11-13/h1-6,12H
InChIKey
SYUYTOYKQOAVDW-UHFFFAOYSA-N
SMILES
Oc1c(ccc2ccccc12)N=O
CAS ??????
132-53-6(CAS DataBase Reference)
NIST
1-Naphthalenol, 2-nitroso-(132-53-6)
EPA
1-Naphthalenol, 2-nitroso- (132-53-6)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26
WGK ?? 3
RTECS ?? QL4550000
F ?????? 8
TSCA TSCA listed
HS ?? 2929900090
???? ??? 11 - Combustible Solids
?? ?? ??? 132-53-6(Hazardous Substances Data)
?? LD orl-rat: >500 mg/kg NCNSA6 5,35,53
????(GHS): Exclamation Mark (GHS07)Health Hazard (GHS08)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
H370 ??(??, ??? ?? ??? ?? ??? ??)? ??? ???(????? ?? ???? ??? ???? ???? ???? ????? ??? ????? ??) ?? ???? ?? - 1? ?? ?? 1 ?? P260, P264, P270, P307+P311, P321,P405, P501
??????:
P260 ??·?·??·???·??·...·????? ???? ???.
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P280 ????/???/???/?????? ?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P307+P311 ??? ??,?? ?? ?? ?? ???? ????
P405 ???? ?????.
P501 ...? ??? / ??? ?? ???.
NFPA 704
0
2 0

2-????-1-??? MSDS


2-Nitroso-1-naphthol

2-????-1-??? C??? ??, ??, ??

??? ??

yellow-greenish to yellow-brownish powder

?? ??

2-nitroso-1-naphthol helps in the extraction of cobalt ion as it is used as a selective complexing agent. It is used in the separation and preconcentration of Th(IV), Ti(IV), Fe(III), Pb(II) and Cr(III) by solid phase extraction.

Safety Profile

Moderately toxic by ingestion. Many nitroso compounds are carcinogens. Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx. See also NITROSO COMPOUNDS.

Purification Methods

Purify the naphthol by recrystallisation from pet ether (b 60-80o) or by dissolving it in hot EtOH, followed by successive addition of small volumes of water (m 158o dec). It also crystallises from *C6H6 or H2O. Crystallisation from *C6H6/pet ether gives m (106-109 o, also 109.5o). It has max at 274.5 and 382nm (CHCl3). It complexes with metals. [Beilstein 7 H 712, 7 I 385, 7 II 647, 7 III 3688, 7 IV 2419.]

2-????-1-??? ?? ?? ? ???

???

?? ??


2-????-1-??? ?? ??

???( 166)?? ??
??? ?? ??? ?? ?? ? ??
Hebei Yanxi Chemical Co., Ltd.
+86-17531190177
faithe@yan-xi.com China 5838 58
Hebei Chuanghai Biotechnology Co., Ltd
+86-17732866630
mina@chuanghaibio.com China 18114 58
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795
ivan@atkchemical.com China 32998 60
Shenzhen Nexconn Pharmatechs Ltd
+86-755-89396905 +86-15013857715
admin@nexconn.com China 10399 58
Alchem Pharmtech,Inc.
8485655694
sales@alchempharmtech.com United States 63645 58
CONIER CHEM AND PHARMA LIMITED

sales@conier.com China 49906 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +86-189 4982 3763
sales@tnjchem.com China 34526 58
Shaanxi Dideu Medichem Co. Ltd
+86-29-81139210 +86-17392587031
1059@dideu.com China 9984 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 17705817739
info@dycnchem.com China 52693 58
GIHI CHEMICALS CO.,LIMITED
+86-571-86217390; +8618058761490
info@gihichemicals.com China 49860 58

2-????-1-??? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
海口市| 南通市| 岳阳县| 象山县| 广宁县| 金昌市| 宁晋县| 独山县| 黄骅市| 五原县| 深圳市| 正蓝旗| 井研县| 长丰县| 酒泉市| 扶风县| 徐汇区| 昌都县| 永春县| 宁强县| 靖宇县| 浦江县| 保靖县| 绥德县| 银川市| 罗平县| 棋牌| 从化市| 莱西市| 洪江市| 湄潭县| 永定县| 青田县| 视频| 南平市| 大同市| 安龙县| 平谷区| 太康县| 唐海县| 湛江市|