ChemicalBook--->CAS DataBase List--->23647-14-5

23647-14-5

23647-14-5 Structure

23647-14-5 Structure
IdentificationBack Directory
[Name]

SPADNS
[CAS]

23647-14-5
[Synonyms]

SPADNS
SpadnsGr
SPADNS SOLUTION
SPADNS extrapure AR
SPADNS, Reagent, ACS
2,7-naphthalenedisulfonic
Sulfanilic acid azochromtrop
SULFANILIC ACID-AZOCHROMOTROP
SULFANILIC ACID AZOCHROMOTROPE
2-(p-Sulfophenylazo)chromotrop
1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTH
SULFANILIC ACID AZOCHROMOTROP FOR &
p-Sulfophenylazochromotropic acid trisodium salt
2-(P-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAPHTHALENE
2-(4-Sulfophenylazo)chroMotropic acid trisodiuM salt, indicator
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid
1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTHALENE-3,6-DISULFONICACID
2-(P-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6 NAPHTHALENE TRISODIUM SALT
4,5-DIHYDROXY-3-(P-SULFOPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID
4,5-Dihydroxy-3-(4-sulfophenylazo)naphthalene-2,7-disulfonic acid
2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic acid
3-(4-Sulfophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid
3-[(4-Sulfophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid
4,5-Dihydroxy-3-[(4-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid
2-(p-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPH- THALENEDISULFONIC ACID
Trisodium 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonate
TRISODIUM 2-(4-SULFOPHENYLAZO)-1,8-DIHYDROXYNAPHTHALENE-3,6-DISULFONATE
7-naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-sulfophenyl)azo]-trisodiu
1,8-Dihydroxy-2-(4-sulfobenzeneazo)-3,6-naphthalenedisulfonic acid trisodiu
trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate
2,7-naphthalenedisulfonicacid,4,5-dihydroxy-3-((4-sulfophenyl)azo)-,trisodium
2(4-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAP HT HALENEDISULFONIC ACID, 3NA SALT,IND
Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate
4,5-DIHYDROXY-3-(4-SULFOPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
3-(4-SULFOPHENYLAZO)-4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
2-(P-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
2-(4-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT
2-(P-SULFOPHENYLAZO)-1,8-DIHYDROXY-NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT
2,7-naphthalenedisulfonicacid,4,5-dihydroxy-3-((4-sulfophenyl)azo)-,trisodiumsalt
2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-sulfophenyl)azo]-,trisodiumsalt
4,5-DIHYDROXY-3-(P-SULFOPHENYLAZO)-2,7-NAPHTHALENE DISULFONIC ACID, TRISODIUM SALT
Sulphanilic acid azochromotrope~2-(4-Sulphophenylazo)chromotropic acid trisodium salt
SpadnsGr-(2-(P-SulphophenylAzo)1,8-Dihydroxynaphelene-3,6-DisulphonicAcidTrisodiumSalt)
2-(4-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT (SPADNS)
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt,indicator
3-[[4-(Sodiooxysulfonyl)phenyl]azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt, indicator grade
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodiuM salt, indicator grade 10GR
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodiuM salt, indicator grade 25GR
1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium)
2-(4-Sulfophenylazo)chromotropic acid trisodium salt, SPADNS, Sulfanilic acid azochromotrop, 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt
2-(4-Sulfophenylazo)chromotropic acid trisodium salt, SPADNS, 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt, 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt
SPADNS 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic Acid Trisodium Salt Trisodium 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonate 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic Acid Trisodium Salt
[EINECS(EC#)]

245-803-9
[Molecular Formula]

C16H9N2Na3O11S3
[MDL Number]

MFCD00003952
[MOL File]

23647-14-5.mol
[Molecular Weight]

570.41
Chemical PropertiesBack Directory
[Appearance]

dark red-brown crystalline powder
[Melting point ]

>300°C
[storage temp. ]

Store at +15°C to +25°C.
[solubility ]

220g/l
[form ]

Crystalline Powder
[color ]

Dark red-brown
[PH]

6.0 (10g/l, H2O, 22℃)
[Water Solubility ]

Soluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble in alcohol and organic solvents.
[EPA Substance Registry System]

2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt (23647-14-5)
Hazard InformationBack Directory
[Chemical Properties]

dark red-brown crystalline powder
[Uses]

Sulfanilic acid azochromotrop is used as an indicator for complexometric determinations of zirconium and thorium. It is used as a reagent for drinking and wastewater analysis using Hach Method 8029, Fluoride, SPADNS Method.
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38
[Safety Statements ]

26-36
[WGK Germany ]

3
[TSCA ]

Yes
[HS Code ]

29270000
Spectrum DetailBack Directory
[Spectrum Detail]

SPADNS(23647-14-5)IR1
SPADNS(23647-14-5)IR2
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