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SPADNS

CAS No.
23647-14-5
Chemical Name:
SPADNS
Synonyms
SPADNS;SpadnsGr;SPADNS reagent;SPADNS SOLUTION;SPADNS extrapure AR;SPADNS, Reagent, ACS;SPADNS extrapure AR, ACS;2,7-naphthalenedisulfonic;Sulfanilic acid azochromtrop;SULFANILIC ACID-AZOCHROMOTROP
CBNumber:
CB8205751
Molecular Formula:
C16H13N2NaO11S3
Molecular Weight:
528.45
MDL Number:
MFCD00003952
MOL File:
23647-14-5.mol
MSDS File:
SDS
Last updated:2023-04-23 13:52:06

SPADNS Properties

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.
FDA UNII 8C9EXU0M2M
EPA Substance Registry System 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt (23647-14-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
TSCA  Yes
HS Code  2927 00 00
NFPA 704
1
2 0

SPADNS price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S9256 Sulfanilic acid azochromotrop ≥80% 23647-14-5 10g $60.8 2024-03-01 Buy
Sigma-Aldrich S9256 Sulfanilic acid azochromotrop ≥80% 23647-14-5 25g $131 2024-03-01 Buy
Sigma-Aldrich 1.07998 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium) 23647-14-5 25g $249 2024-03-01 Buy
TCI Chemical D0604 Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate >95.0%(HPLC) 23647-14-5 5g $84 2024-03-01 Buy
TCI Chemical D0604 Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate >95.0%(HPLC) 23647-14-5 25g $244 2024-03-01 Buy
Product number Packaging Price Buy
S9256 10g $60.8 Buy
S9256 25g $131 Buy
1.07998 25g $249 Buy
D0604 5g $84 Buy
D0604 25g $244 Buy

SPADNS Chemical Properties,Uses,Production

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.

SPADNS Preparation Products And Raw materials

Raw materials

Preparation Products

SPADNS Suppliers

Global( 176)Suppliers
Supplier Tel Email Country ProdList Advantage
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 47465 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34572 58
changzhou huayang technology co., ltd
+8615250961469 2571773637@qq.com China 9821 58
ZHEJIANG JIUZHOU CHEM CO., LTD
+86-0576225566889 +86-13454675544 admin@jiuzhou-chem.com;jamie@jiuzhou-chem.com;alice@jiuzhou-chem.com China 20000 58
LEAPCHEM CO., LTD.
+86-852-30606658 market18@leapchem.com China 43348 58
Aladdin Scientific
+1-833-552-7181 sales@aladdinsci.com United States 57511 58
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006608290; 18621169109 market03@meryer.com China 40241 62

View Lastest Price from SPADNS manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
SPADNS pictures 2019-08-09 SPADNS
23647-14-5
US $1.00 / KG 1KG 98% 1kg,5kg,100kg Career Henan Chemical Co
  • SPADNS pictures
  • SPADNS
    23647-14-5
  • US $1.00 / KG
  • 98%
  • Career Henan Chemical Co
4,5-Dihydroxy-3-(4-sulfophenylazo)naphthalene-2,7-disulfonic acid 4,5-Dihydroxy-3-[(4-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid 3-[[4-(Sodiooxysulfonyl)phenyl]azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt Sulfanilic acid azochromtrop 2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt,indicator 2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid 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 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 1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTH SPADNS, Reagent, ACS 2-(4-Sulfophenylazo)chroMotropic acid trisodiuM salt, indicator 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium) SPADNS SULFANILIC ACID-AZOCHROMOTROP SULFANILIC ACID AZOCHROMOTROPE TRISODIUM 2-(4-SULFOPHENYLAZO)-1,8-DIHYDROXYNAPHTHALENE-3,6-DISULFONATE p-Sulfophenylazochromotropic acid trisodium salt Sulphanilic acid azochromotrope~2-(4-Sulphophenylazo)chromotropic acid trisodium salt trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate 2(4-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAP HT HALENEDISULFONIC ACID, 3NA SALT,IND SULFANILIC ACID AZOCHROMOTROP FOR & SpadnsGr-(2-(P-SulphophenylAzo)1,8-Dihydroxynaphelene-3,6-DisulphonicAcidTrisodiumSalt) SpadnsGr 1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTHALENE-3,6-DISULFONICACID 2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt, indicator grade 4,5-DIHYDROXY-3-(P-SULFOPHENYLAZO)-2,7-NAPHTHALENE DISULFONIC ACID, TRISODIUM SALT 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-(P-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6 NAPHTHALENE TRISODIUM SALT 2-(P-SULFOPHENYLAZO)-1,8-DIHYDROXY-NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT 2-(4-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT 2-(p-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPH- THALENEDISULFONIC ACID SPADNS SOLUTION 1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT 2-(p-Sulfophenylazo)chromotrop 2,7-naphthalenedisulfonic 2,7-naphthalenedisulfonicacid,4,5-dihydroxy-3-((4-sulfophenyl)azo)-,trisodium 2,7-naphthalenedisulfonicacid,4,5-dihydroxy-3-((4-sulfophenyl)azo)-,trisodiumsalt 2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-sulfophenyl)azo]-,trisodiumsalt 7-naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-sulfophenyl)azo]-trisodiu 1,8-Dihydroxy-2-(4-sulfobenzeneazo)-3,6-naphthalenedisulfonic acid trisodiu 2-(4-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT (SPADNS) Trisodium 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonate Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate 2-(P-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6-NAPHTHALENE 4,5-DIHYDROXY-3-(P-SULFOPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID SPADNS extrapure AR 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 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)-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 SPADNS reagent SPADNS, REAGENT (ACS)SPADNS, REAGENT (ACS)SPADNS, REAGENT (ACS) Trisodium2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonateHydrate> 2-(4-Sulfonylphenyl azochromic acid trisodium salt, indicator