Identification
Sulfanilic acid azochromotrop
Molecular Formula:
C16H9N2Na3O11S3
SMILES:
C1=CC(=CC=C1N/N=C2/C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
Synonym:
spadns extrapure ar ; sulfanilic acid-azochromotrop ; 2,7-naphthalenedisulfonic ; spadns solution ; 2-(p-sulfophenylazo)chromotrop ; sulfanilic acid azochromotrope ; spadns ; spadns, reagent, acs ; spadnsgr ; sulfanilic acid azochromtrop
Description
Sulfanilic acid azochromotrop is used as an indicator for complexometric determinations of zirconium and thorium.
Suppliers
Santa Cruz Biotechnology, Inc.
215925
Dayang Chem (Hangzhou) Co.,Ltd.
DC269710788
CAS equal suppliers
Spadns
Leap Chem Co., Ltd
LC108324
Spadns
Skyrun Industrial Co., Ltd.
SI162486
Spadns
Finipharma Ltd
F84168
SPADNS
Autech Industry Co.,Limited
AIC162648
SPADNS
Alfa (A Johnson Matthey Company)
A192576
SPADNS
Carbone Scientific Co., Ltd.
CS168504
SPADNS
Gihi Chemicals Co., Limited
GCL162648
SPADNS
Krada CPS Industry S.L
KCIS132660
Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate
TCI Chemicals (India) Pvt. Ltd.
D0604
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid trisodium salt (SPADNS)
Molekula
20091190
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic Acid, Trisodium Salt, Indicator Grade
Acros Organics BVBA
AOB1658766348
Prices & Availability
Data is processed
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Properties for Sulfanilic acid azochromotrop
Molecular Weight:
570.41 g·mol−1
Solubility:
Soluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble in alcohol and organic solvents.
Physical Description:
dark red-brown crystalline powder
x
Hazard Statements
GHS03
Harmful
- Acute toxicity (oral, dermal, inhalation), category 4
- Skin irritation, categories 2, 3
- Eye irritation, category 2A
- Skin sensitization, category 1
- Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects
Not used
- with the "skull and crossbones" pictogram
- for skin or eye irritation if:
- the "corrosion" pictogram also appears
- the "health hazard" pictogram is used to indicate respiratory sensitization
Safety & Transport Information
Risk Codes:
R36/37/38 - Irritating to eyes, respiratory system and skin
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
Hazard Symbols:
Xi
x
Alternative Distributors of [Sulfanilic acid azochromotrop]
Producers or manufacturers change the product range from time to time.
Currently there are no other manufacturers known.
Element: 
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