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Sodium 2-naphthalenesulfonate
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Name

Sodium 2-naphthalenesulfonate

 EINECS 208-523-8
CAS No. 532-02-5 Density 1.423 g/cm3
PSA 65.58000 LogP 2.82470
Solubility Soluble in water Melting Point >275oC (dec.)
Formula C10H8 O3S.Na Boiling Point 391.58℃
Molecular Weight 230.22 Flash Point N/A
Transport Information N/A Appearance white to pale grey powder
Safety 26-36-37/39 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 532-02-5 (Sodium 2-naphthalenesulfonate) Hazard Symbols IrritantXi
Synonyms

2-Naphthalenesulfonicacid, sodium salt (8CI,9CI);Sodium 2-naphthalenesulfonate;Sodiumnaphthalene-2-sulphonate;Sodium b-naphthalenesulfonate;b-Naphthalenesulfonic acid sodiumsalt;

Article Data 2

Sodium 2-naphthalenesulfonate Synthetic route

5138-53-4

methyl naphthalene-2-sulfonate

A

67-56-1

methanol

B

532-02-5

2-naphthalenesulfonic acid sodium salt

Conditions
ConditionsYield
With sodium hydroxide at 25℃; Rate constant; in the presence of various cetyltrialkylammonium compounds;
121-18-6

3-nitro-4-chlorobenzenesulfonic acid

7439-89-6

iron

532-02-5

2-naphthalenesulfonic acid sodium salt

Conditions
ConditionsYield
With sodium carbonate In water; acetic acid
532-02-5

2-naphthalenesulfonic acid sodium salt

1865-45-8

sodium anilide

135-88-6

N-Phenyl-2-naphthylamine

Conditions
ConditionsYield
With aniline at 290℃; for 0.25h;99%
With aniline at 290℃; for 0.25h; Product distribution; other temp.: 190 to 270 deg. C; other reaction time: 0.5 to 12 h;99%

tetrakis(4,4'-bis(3-pyridylmethoxy)benzophenone)dipalladium(II) tetra(trifluoromethanesulfonate)

532-02-5

2-naphthalenesulfonic acid sodium salt

tetrakis(4,4'-bis(3-pyridylmethoxy)benzophenone)dipalladium(II) tetra(2-naphthalenesulfonate)

Conditions
ConditionsYield
In N,N-dimethyl-formamide Pd complex mixed with 4 equiv. of NaONs in DMF at room temp.;99%
532-02-5

2-naphthalenesulfonic acid sodium salt

93-11-8

2-Naphthalenesulfonyl chloride

Conditions
ConditionsYield
With trichlorophosphate In chloroform at 90℃; for 9h; Temperature; Solvent; Concentration;95.8%
With trichlorophosphate; N,N-dimethyl acetamide In sulfolane; acetonitrile at 68 - 72℃; for 0.25h;91%
With 1,3,5-trichloro-2,4,6-triazine; 18-crown-6 ether In acetone for 20h; Heating;89%
With chlorine-triphenylphosphine In acetonitrile for 15h; Ambient temperature;
532-02-5

2-naphthalenesulfonic acid sodium salt

91-60-1

2-Naphthalenethiol

Conditions
ConditionsYield
With triphenylphosphine; 18-crown-6 ether; iodine In benzene for 36h; Heating;93%
With 18-crown-6 ether; iodine; triphenylphosphine In benzene for 36h; Heating;93%
With potassium hydrosulfide in eisernen Gefaessen unter Druck;
With diphosphorus pentasulfide; lithium aluminium tetrahydride 1.) sulfolane, 90 deg C for 25 h 2.) ether, room temperature for 30 min; Yield given. Multistep reaction;
532-02-5

2-naphthalenesulfonic acid sodium salt

325-12-2

β-naphthalene sulfonyl fluoride

Conditions
ConditionsYield
Stage #1: 2-naphthalenesulfonic acid sodium salt With 1,3,5-trichloro-2,4,6-triazine; tetrabutylammomium bromide In acetonitrile at 60℃; for 12h;
Stage #2: With potassium hydrogen difluoride In acetone; acetonitrile at 20℃; for 12h;		93%
13170-43-9

(trimethylsilyl)methylmagnesium chloride

532-02-5

2-naphthalenesulfonic acid sodium salt

27016-35-9

trimethyl(naphthalen-2-ylmethyl)silane

Conditions
ConditionsYield
With bis(tricyclohexylphosphine)nickel(II) dichloride In tetrahydrofuran at 20℃; for 20h; Sealed tube; Inert atmosphere;92%
532-02-5

2-naphthalenesulfonic acid sodium salt

62-53-3

aniline

A

135-88-6

N-Phenyl-2-naphthylamine

B

135-19-3

β-naphthol

Conditions
ConditionsYield
With potassium hydroxide at 230℃; for 6h; Product distribution; other bases: NaOH + K2CO3, NaOH + Na2CO3, NaOH + KCl, NaOH + KF, NaOH; other temp.: 230 to 310 deg. C, other reaction time: 2 to 12 h;A 90%
B 3%
With sodium hydroxide; potassium carbonate at 310℃; for 4h;A 34%
B 65%
532-02-5

2-naphthalenesulfonic acid sodium salt

Victoria Pure Ink Blue BO

C33H40N3(1+)*C10H7O3S(1-)

Conditions
ConditionsYield
In methanol; water at 50 - 55℃; for 1h;90%

Sodium 2-naphthalenesulfonate Chemical Properties

Product Name: 2-Naphthalenesulfonicacid, sodium salt (1:1) (CAS NO.532-02-5)


Molecular Formula: C10H7NaO3S
Molecular Weight: 230.22g/mol
Mol File: 532-02-5.mol
EINECS: 208-523-8
Sensitive: Hygroscopic
H-Bond Donor: 0
H-Bond Acceptor: 2
Structure Descriptors of 2-Naphthalenesulfonicacid, sodium salt (1:1) (CAS NO.532-02-5):
  IUPAC Name: sodium naphthalene-2-sulfonate
  Canonical SMILES: C1=CC=C2C=C(C=CC2=C1)S(=O)(=O)[O-].[Na+]
  InChI: InChI=1S/C10H8O3S.Na/c11-14(12,13)10-6-5-8-3-1-2-4-9(8)7-10;/h1-7H,(H,11,12,13);/q;+1/p-1 
  InChIKey: YWPOLRBWRRKLMW-UHFFFAOYSA-M
Product Categories: Industrial/Fine Chemicals; Intermediates of Dyes and Pigments

Sodium 2-naphthalenesulfonate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 13900mg/kg (13900mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 39(10), Pg. 101, 1974.

Sodium 2-naphthalenesulfonate Safety Profile

Safety Information of 2-Naphthalenesulfonicacid, sodium salt (1:1) (CAS NO.532-02-5):
Hazard Codes: XiIrritant
Risk Statements: 36/37/38 
36:  Irritating to the eyes 
37:  Irritating to the respiratory system 
38:  Irritating to the skin 
Safety Statements: 26-36-37/39
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36:  Wear suitable protective clothing  
37:  Wear suitable gloves  
39:  Wear eye/face protection 
WGK Germany: 2
RTECS: QK3678000

Sodium 2-naphthalenesulfonate Specification

  2-Naphthalenesulfonicacid, sodium salt (1:1) , its CAS NO. is 532-02-5, the synonyms are Sodium 2-naphthalenesulfonate ; Sodium beta-naphthalenesulfonate ; Sodium naphthalene-2-sulphonate ; Sodium naphthalene-6-sulfonate ; Sodium salt of beta-naphthalenesulfonic acid ; Sodium-2-naphthalenesulfonate ; UNII-R5F0CTD2OJ ; beta-Naphthalenesulfonic sodium salt .

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