???????
|
|
??????? ??
- ?? ?
- 429.2°C (rough estimate)
- ??
- 1.7929 (rough estimate)
- ???
- 1.6000 (estimate)
- ?? ??
- Inert atmosphere,Room Temperature
- ?? ?? (pKa)
- -0.51±0.40(Predicted)
- CAS ??????
- 148-25-4(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| HS ?? | 29089990 | ||
|---|---|---|---|
| ???? ?? | KE-10844 |
| ????(GHS): |
|
||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ?? ?: | Warning | ||||||||||||||||||||||||||||
| ??·?? ??: |
|
||||||||||||||||||||||||||||
| ??????: |
|
??????? C??? ??, ??, ??
??? ??
4,5-Dihydroxynaphthalene-2,7-disulfonic acid [148-25-4]. (1,8-dihydroxynaphthalene-3,6-disulfonic acid), chromotropic acid, C10H8O8S2, Mr 320.3: the disodium salt is readily soluble in water. Alkali fusion yields 1,3,8-trihydroxynaphthalene-6-sulfonic acid. Diazo coupling occurs in the 3- and 6-positions.??
ChEBI: A naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid substituted by hydroxy groups at positions 4 and 5.??????? ?? ?? ? ???
???
?? ??
Mordant Blue 13
CHROMOTROPE 2R
????? Ⅲ
??????7
tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)
Mordant Blue 13
3-[(4-?????)??]-4,5-?????-2,7-?????????????
DIRECT BLUE 25
ACID RED 60
Direct Black 27
Acid chrome blue K
???????ES
Mordant Blue 6
4,5-Dihydroxy-3-[[4'-[(2-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
C.I. Direct blue 49
Acid Violet 20
CHROMOTROPE 2R
??????? ?? ??
???( 258)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Hebei Zhuanglai Chemical Trading Co.,Ltd | +8613343047651 |
admin@zlchemi.com | China | 3002 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-371-66670886 |
info@dakenam.com | China | 18747 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21634 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29884 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28172 | 58 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 |
sale@chuangyingchem.com | CHINA | 5906 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 |
sales@chemdad.com | China | 39894 | 58 |
| SIMAGCHEM CORP | +86-13806087780 |
sale@simagchem.com | China | 17365 | 58 |
| Career Henan Chemica Co | +86-0371-86658258 +8613203830695 |
laboratory@coreychem.com | China | 30241 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 |
sales@tnjchem.com | China | 34553 | 58 |
??????? ?? ??:
??? ??? ??? ????? 4-?????? 1-???????, ???? ????? 4,5-?????-2,7-????????, ???? ? 3,6-???????????-2,7-?????, ????? ??????? ????? Ⅲ ???????
Sodium 1-naphthalenesulfonate
CHROMOTROPIC ACID SODIUM SALT
ARSENAZO I
CARBOXYARSENAZO III
CHLOROPHOSPHONAZO III
CHROMOTROPE 2R
SPADNS
ARSENAZO III DISODIUM SALT
1,8-Naphthalenediol