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
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)
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.
N-Bromosuccinimide Price
- Product number
- S9256
- Product name
- Sulfanilic acid azochromotrop
- Purity
- ≥80%
- Packaging
- 10g
- Price
- $60.8
- Updated
- 2024/03/01
- Product number
- S9256
- Product name
- Sulfanilic acid azochromotrop
- Purity
- ≥80%
- Packaging
- 25g
- Price
- $131
- Updated
- 2024/03/01
- 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
- 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
- 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
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
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View Lastest Price from SPADNS manufacturers
- 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