ChemicalBook > CAS DataBase List > SPADNS

SPADNS

Product Name
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
Formula Weight
528.45
MOL File
23647-14-5.mol
More
Less

SPADNS Property

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)
More
Less

Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
TSCA 
Yes
HS Code 
2927 00 00
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

More
Less

N-Bromosuccinimide Price

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

SPADNS Chemical Properties,Usage,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

More
Less

SPADNS Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18736
Advantage
57
Spectrum Chemical Manufacturing Corp.
Tel
021-021-021-67601398-809-809-809 15221380277
Fax
021-57711696
Email
marketing_china@spectrumchemical.com
Country
China
ProdList
9664
Advantage
60
Thermo Fisher Scientific
Tel
800-810-5118
Fax
+86-10-84193589
Email
cnchemical@thermofisher.com
Country
China
ProdList
17779
Advantage
75
Beijing innoChem Science & Technology Co.,Ltd.
Tel
400-810-7969 010-59572699
Fax
010-59572688
Email
ningzi.li@inno-chem.com.cn
Country
China
ProdList
6139
Advantage
55
9ding chemical ( Shanghai) Limited
Tel
4009209199
Fax
86-021-52271987
Email
sales@9dingchem.com
Country
China
ProdList
22519
Advantage
55
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-6206333 18521732826;
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
24835
Advantage
65
Shanghai Xingui Biotechnology Co., Ltd.
Tel
17501653713 17501653715
Email
xingui2022@126.com
Country
China
ProdList
10043
Advantage
58
Codow Chemical Co.,Ltd.
Tel
18620099427 18620099427
Fax
+86-20-62619665
Email
amy@howeipharm.com
Country
China
ProdList
1751
Advantage
55
Henan CoreyChem Co., Ltd
Tel
0371-86658258
Fax
0371-60996044
Email
info@coreychem.com
Country
China
ProdList
10457
Advantage
58
Shanghai YuanYe Biotechnology Co., Ltd.
Tel
18021002903
Fax
QQ:3008007432
Email
3008007409@qq.com
Country
China
ProdList
27322
Advantage
60
Chengdu Dianchun Technology Co., Ltd
Tel
400-1166-196 18502815961
Fax
QQ:800101999
Email
cdhxsj@163.com
Country
China
ProdList
14623
Advantage
60
Shanghai Yihe Biological Technology Co., Ltd.
Tel
17721395025
Fax
021-68882955
Email
2423903095@qq.com
Country
China
ProdList
3136
Advantage
58
Shandong Ono Chemical Co., Ltd.
Tel
0539-6362799 20)
Fax
0539-6362799(To 20)
Country
China
ProdList
10007
Advantage
58
9ding chemical ( Shanghai) Limited
Tel
021-021-52271985 17721149837
Fax
+86 (21) 52271987
Email
sales@9dingchem.com
Country
China
ProdList
19806
Advantage
60
Shanghai BaiShun Biological Technology Co., Ltd
Tel
021-37581181
Fax
021-57456066
Email
sales@chem-mall.com
Country
China
ProdList
10335
Advantage
58
QuZhou Rainfull Chemical Co.,Ltd.
Tel
0570-3062289 13819008176 15068926975
Fax
0570-3063388
Email
527757556@qq.com
Country
China
ProdList
2959
Advantage
58
Shanghai Jizhi Biochemical Technology Co. Ltd.
Tel
400-400-400-9004166 18117592386
Email
3007522982@qq.com
Country
China
ProdList
52712
Advantage
58
Guangdong wengjiang Chemical Reagent Co., Ltd.
Tel
0751-2815688 13927872512
Fax
0751-8963795
Email
3007421951@qq.com
Country
China
ProdList
10087
Advantage
58
Hefei TNJ Chemical Industry Co.,Ltd.
Tel
0551-65418671
Fax
0551-65418697
Email
sales@tnjchem.com
Country
China
ProdList
34572
Advantage
58
Chongqing Chemdad Co., Ltd
Tel
+86-023-61398051 +8613650506873
Email
sales@chemdad.com
Country
China
ProdList
39916
Advantage
58
CONIER CHEM AND PHARMA LIMITED
Tel
+8618523575427
Email
sales@conier.com
Country
China
ProdList
47465
Advantage
58
Wuhan lanabai Pharmaceutical Chemical Co., Ltd
Tel
15307151931
Fax
QQ-2355680
Email
2355680@qq.com
Country
China
ProdList
8247
Advantage
58
Shanghai Haohong Pharmaceutical Co., Ltd.
Tel
400-400-8210725 4008210725
Email
malulu@leyan.com
Country
China
ProdList
55023
Advantage
58
CHG Opto-Electronic Corporation Limited
Tel
2537653158 16621191650
Fax
QQ 2537653158
Email
2537653158@qq.com
Country
China
ProdList
7298
Advantage
58
Lingyuan Bebiansen Biological Technology Co., Ltd
Tel
18642120371
Email
2837458851@qq.com
Country
China
ProdList
10006
Advantage
58
Quzhou mingfeng chemical co., ltd
Tel
0570-3062502 13819002126
Fax
0570-3063388
Email
41774453@qq.com
Country
China
ProdList
4360
Advantage
58
Hubei Qifei Pharmaceutical Chemical Co., Ltd
Tel
027-027-59322506 18071128681
Fax
027-59322506
Email
1438082200@qq.com
Country
China
ProdList
9995
Advantage
58
Shanghai kadel chemical technology co., LTD
Tel
021-4007787-550 400-7787-550
Email
2850202386@qq.com
Country
China
ProdList
10618
Advantage
58
Beijing Nordhuns Chemical Technology Co.,Ltd
Tel
010-84929330 13811281791
Fax
010-84926806
Email
info@nordhuns.com
Country
China
ProdList
256
Advantage
58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Tel
029-81148696 18161915376
Email
1040@dideu.com
Country
China
ProdList
10009
Advantage
58
Shanghai Yingxin Laboratory Equipment Co., Ltd.
Tel
021-021-59178156 17002132182
Email
3146474380@qq.com
Country
China
ProdList
11303
Advantage
58
Shanghai Maclean Biochemical Technology Co., LTD
Tel
021-50706066 15221275939
Email
shenlinxing@macklin.cn
Country
China
ProdList
29803
Advantage
58
Shijiazhuang Feizi Chemical Technology Co. LTD
Tel
0311-85957988 18633001459
Email
sales@feizichem.com
Country
China
ProdList
48
Advantage
58
Guangdong Qianjin Chemical Reagent Co., Ltd.
Tel
0751-2818792 13435114148
Email
3128240096@qq.com
Country
China
ProdList
2993
Advantage
58
Guangdong Fangxin Biotechnology Co., Ltd.
Tel
0751-2838688 13376594225
Email
1276075424@qq.com
Country
China
ProdList
9927
Advantage
58
Guangzhou Nalong Chemical Co.Ltd
Tel
13192879270; 13192879270
Email
1525037351@qq.com
Country
China
ProdList
3492
Advantage
58
Auonsi (Shanghai) Biology Technology Co., Ltd.
Tel
400-1107768 15058188853
Fax
0571-88150696
Email
478133536@qq.com
Country
China
ProdList
8555
Advantage
58
career henan chemical co
Tel
+86-0371-86658258
Email
sales@coreychem.com
Country
China
ProdList
29914
Advantage
58
LEAPCHEM CO., LTD.
Tel
+86-852-30606658
Email
market18@leapchem.com
Country
China
ProdList
43348
Advantage
58
ZHEJIANG JIUZHOU CHEM CO., LTD
Tel
+86-0576225566889 +86-13454675544
Email
admin@jiuzhou-chem.com;jamie@jiuzhou-chem.com;alice@jiuzhou-chem.com
Country
China
ProdList
20000
Advantage
58
changzhou huayang technology co., ltd
Tel
+8615250961469
Email
2571773637@qq.com
Country
China
ProdList
9821
Advantage
58
Shanghai Hao Zhun Biological Technology Co., Ltd.
Tel
--
Fax
--
Email
info@zzsrm.com
Country
CHINA
ProdList
6846
Advantage
58
Shanghai Yuduo Biotechnology Co., Ltd.
Tel
--
Fax
--
Email
3128828699@qq.com
Country
CHINA
ProdList
6509
Advantage
58
Shanghai Caiyou Industrial Co., Ltd.
Tel
--
Fax
--
Email
15821073967@163.com
Country
CHINA
ProdList
6894
Advantage
58
Beijing Zhijie Fangyuan Technology Co., Ltd.
Tel
--
Fax
--
Email
15810200961@163.com
Country
CHINA
ProdList
6984
Advantage
58
More
Less

View Lastest Price from SPADNS manufacturers

Career Henan Chemical Co
Product
SPADNS 23647-14-5
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1kg,5kg,100kg
Release date
2019-08-08

23647-14-5, SPADNSRelated Search:


  • 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
  • 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
  • SPADNS reagent
  • SPADNS, REAGENT (ACS)SPADNS, REAGENT (ACS)SPADNS, REAGENT (ACS)
  • Trisodium2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonateHydrate&gt
  • 2-(4-Sulfonylphenyl azochromic acid trisodium salt, indicator