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??????? ??? ???
?? ??:
148-25-4
???:
???????
???(??):
???????
???:
1,8-Dihydroxynaphthylene-3,6-disulfonic acid
???(??):
CHROMOTROPIC ACID;CHROMOGEN;4,5-dihydroxynaphthalene-2,7-disulphonic acid;Aids000369;Aids-000369;Chrmotropicacid;chromotropicaci;Chromotopic acid;Chromotrophic Acid;TIMTEC-BB SBB001312
CBNumber:
CB7196825
???:
C10H8O8S2
??? ??:
320.3
MOL ??:
148-25-4.mol
MSDS ??:
SDS

??????? ??

?? ?
429.2°C (rough estimate)
??
1.7929 (rough estimate)
???
1.6000 (estimate)
?? ??
Inert atmosphere,Room Temperature
?? ?? (pKa)
-0.51±0.40(Predicted)
InChI
InChI=1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18)
InChIKey
HLVXFWDLRHCZEI-UHFFFAOYSA-N
SMILES
C1=C2C(C(O)=CC(S(O)(=O)=O)=C2)=C(O)C=C1S(O)(=O)=O
CAS ??????
148-25-4(CAS DataBase Reference)
EPA
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy- (148-25-4)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
TSCA TSCA listed
HS ?? 29089990
???? ?? KE-10844
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P321 (…) ??? ???.
P332+P313 ?? ??? ??? ???? ??· ??? ????.
P362 ??? ??? ?? ?? ?? ?????

??????? MSDS


1,8-Dihydroxynaphthylene-3,6-disulfonic acid

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??? ??

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.

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