1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (1:?)

HCID 70050CAS 13846-08-7
Substructure searchFind similar structures

Basic information

Standard SMILES
O=S(=O)([O-])c1cc(S(=O)(=O)[O-])c2cc(O)ccc2c1.[K+].[K+]
InChIKey
LKDMVWRBMGEEGR-UHFFFAOYSA-L
Molecular formula
C10H6K2O7S2
Average molar mass
380.5 g/mol
Monoisotopic mass
379.88290789

Overview

See also: 2-naphthol-6,8-disulfonic acid, dipotassium salt (annotation moved to).

Names & identifiers

Preferred name
1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (1:?)
IUPAC
dipotassium;7-hydroxynaphthalene-1,3-disulfonate
English name
7-hydroxy-1,3-naphthalenesulfonic acid, potassium salt
Molecular formula
C10H6K2O7S2
Molecular weight
380.47704

Names & synonyms

13846-08-71,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (1:?)RefChem:1052963DTXSID301092601237-577-5842-18-2Dipotassium 7-hydroxynaphthalene-1,3-disulphonateDipotassium 2-Naphthol-6,8-disulfonate2-Naphthol-6,8-disulfonic acid dipotassium salt1,3-Naphthalenedisulfonic acid, 7-hydroxy-, dipotassium saltG Acid Dipotassium Salt7-Hydroxy-1,3-naphthalenedisulfonic acid dipotassium salt
Show more names
Monopotassium 2-naphthol-6,8-disulfonate2-Naphthol-6,8-disulfonic Acid Potassium Saltipotassium,7-hydroxynaphthalene-1,3-disulfonate7-hydroxy-1,3-naphthalenesulfonic acid, potassium salt3-naphthalenedisulfonic acid, 7-hydroxy- potassiumsalt3-naphthalenedisulfonic acid, 7-hydroxy- potassium salt1,3-Naphthalenedisulfonic acid,7-hydroxy-,potassium salt7-hydroxynaphthalene-1,3-disulphonic acid, potassium salt7-Hydroxy-1,3-naphthalenedisulfonic acid/potassium,(1:x) salt
dipotassium 7-hydroxynaphthalene-1,3-disulfonatePotassium 7-hydroxynaphthalene-1,3-disulfonateDipotassium 7-Hydroxy-1,3-naphthalenedisulfonateI4S7VVU23A1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (1:2)MFCD000663617-Hydroxy-1,3-naphthalenedisulfonic acid, dipotassium salt

Database identifiers

CAS
13846-08-7、842-18-2
PubChem CID
70050
DTXSID
DTXSID60889439
UNII
I4S7VVU23A
EC Number
212-672-4、237-577-5

Properties

Computed structural properties

Topological polar surface area
151 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
7
Rotatable bonds
0
Heavy atoms
21

Physicochemical properties

Melting point
300 °C · >300°C
storage temp.
Hygroscopic, Refrigerator, under inert atmosphere
solubility
DMSO, Methanol (Slightly)
form
Solid
color
Off-White
EPA Substance Registry System
1 · 1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (13846-08-7)

Safety & regulation

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 9.1% (4 of 44) of reports.

Warning

H319 (90.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

P261, P264+P265, P271, P280, P304+P340, P305+P351+P338, P319, P337+P317, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 44 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

REACH registered substance: Dipotassium 7-hydroxynaphthalene-1,3-disulphonate (EC: 212-672-4)

Dipotassium 7-hydroxy-1,3-naphthalenedisulfonate: Does not have an individual approval but may be used under an appropriate group standard

Hazard Classes and CategoriesEye Irrit. 2 (90.9%)

Safety data

tsca
TSCA listed

Chemistry & industry

Uses & manufacturing

General Manufacturing Information · 2 items

1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (1:2): ACTIVE

1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (1:?): INACTIVE

Applications · 1 item

Uses2-Naphthol-6,8-disulfonic Acid Potassium Salt is a salt of 2-Naphthol-6,8-disulfonic Acid (N368023). 2-Naphthol-6,8-disulfonic acid is a useful research chemical for organic synthesis and other chemical processes. A reagent used in the preparation of food dyes with numerous applications.

Suppliers50 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
Shandong chuangyingchemical Co., Ltd.18853181302 · [email protected]
宁波君龙新材料有限公司0574 88552216 19032109277 · [email protected]
艾吉析科技（上海）有限公司17717235263 · [email protected]
郑州汇聚化工有限公司0371-53399770 18037166334 · [email protected]

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