1- ??? ? -2- ??? -3,6- ?? ? ?? ?? ?
|
|
1- ??? ? -2- ??? -3,6- ?? ? ?? ?? ? ??
- ???
- >300 °C(lit.)
- ???
- ???? ???? ?? ?????.
- ??? ??
- ??? ??
- ??
- ????? ?????
- ???
- ?? ???
- Merck
- 14,6644
- BRN
- 3643930
- InChI
- InChI=1S/C10H7NO8S2.Na.H/c12-10-8(21(17,18)19)4-5-3-6(20(14,15)16)1-2-7(5)9(10)11-13;;/h1-4,12H,(H,14,15,16)(H,17,18,19);;
- InChIKey
- YSJIUHZRNBXDKS-UHFFFAOYSA-N
- SMILES
- N(C1=C(C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=CC=C12)O)=O.[NaH]
- CAS ??????
- 525-05-3(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | Xn | ||
|---|---|---|---|
| ?? ???? ?? | 20/21/22 | ||
| ????? | 22-24/25 | ||
| WGK ?? | 3 | ||
| RTECS ?? | QJ6480000 | ||
| TSCA | TSCA listed | ||
| HS ?? | 29089990 | ||
| ???? ?? | KE-20735 |
1- ??? ? -2- ??? -3,6- ?? ? ?? ?? ? C??? ??, ??, ??
??? ??
YELLOWISH-ORANGE TO YELLOW-BROWN CRYST. POWDER??
1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents.Purification Methods
Purify the salt by dissolution in aqueous alkali and precipitation by addition of HCl. The pKa is 7.13. [Oka & Miyamoto J Chem Soc Jpn (Pure Chem Sectn) 76 672 1955 (Chem Abstr 11882 1956I), Beilstein 11 IV 669.]1- ??? ? -2- ??? -3,6- ?? ? ?? ?? ? ?? ?? ? ???
???
?? ??
1- ??? ? -2- ??? -3,6- ?? ? ?? ?? ? ?? ??
???( 256)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 |
Sibel@chuanghaibio.com | China | 8738 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21586 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29815 | 58 |
| Shenyang Simchoice Chemical Co.,Ltd | +86-024-23769576 +86-15040101888 |
sales@simchoicechem.com | China | 254 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 |
sales@conier.com | China | 49979 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569266 +86-17392581500 |
1015@dideu.com | China | 3991 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 |
sales@tnjchem.com | China | 34563 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 |
eric@witopchemical.com | China | 23541 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 |
info@dycnchem.com | China | 52704 | 58 |
| Henan Alfa Chemical Co., Ltd | +8615838112936 |
sale03@alfachem.cn | China | 9796 | 58 |
1- ??? ? -2- ??? -3,6- ?? ? ?? ?? ? ?? ??:
??????? ???? 2-??? ???? 1-????-2-???
Cupric acetate monohydrate
Ethylenediaminetetraacetic acid
Potassium hydroxide
1-Propanol
NITRO RED
3-Hydroxynaphthalene-2,7-disulphonic acid
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT MONOHYDRATE,1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT HYDRATE
Disodium 2-naphthol-3,6-disulfonate
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT