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钍锆试剂;对磺基苯偶氮变色酸三钠;变色酸

2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt

CAS: 23647-14-5

Molecular Formula: C16H13N2NaO11S3

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钍锆试剂;对磺基苯偶氮变色酸三钠;变色酸 - Names and Identifiers

Name 2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt
Synonyms SPADNS
SPADNS, Reagent, ACS
1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTH
p-Sulfophenylazochromotropic acid trisodium salt
2-(4-Sulfophenylazo)chroMotropic acid trisodiuM salt, indicator
trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt
2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid trisodium salt
4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic acid, trisodium salt
Sulphanilic acid azochromotrope~2-(4-Sulphophenylazo)chromotropic acid trisodium salt
5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate
trisodium (3Z)-5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate
trisodium (3E)-5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate
1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium)
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
CAS 23647-14-5
EINECS 245-803-9
InChI InChI=1/C16H12N2O11S3/c19-12-7-11(31(24,25)26)5-8-6-13(32(27,28)29)15(16(20)14(8)12)18-17-9-1-3-10(4-2-9)30(21,22)23/h1-7,17,19H,(H,21,22,23)(H,24,25,26)(H,27,28,29)/p-3

钍锆试剂;对磺基苯偶氮变色酸三钠;变色酸 - Physico-chemical Properties

Molecular FormulaC16H13N2NaO11S3
Molar Mass528.45
Melting Point>300°C
Water SolubilitySoluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble in alcohol and organic solvents.
Solubility Soluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble
AppearanceDark brown powder
ColorDark red-brown
PH6.0 (10g/l, H2O, 22℃)
Storage ConditionStore at +15°C to +25°C.
MDLMFCD00003952
UseAs an indicator for the complexation determination of zirconium and thorium

钍锆试剂;对磺基苯偶氮变色酸三钠;变色酸 - Risk and Safety

Hazard SymbolsXi - Irritant
Irritant
Risk Codes36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
WGK Germany3
TSCAYes
HS Code2927 00 00

钍锆试剂;对磺基苯偶氮变色酸三钠;变色酸 - Reference Information

EPA chemical information information provided by: ofmpub.epa.gov (external link)
Last Update：2024-04-10 22:29:15
钍锆试剂;对磺基苯偶氮变色酸三钠;变色酸
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Jiangsu Pules Biotechnology Co.,Ltd.
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CAS: 23647-14-5
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钍锆试剂;对磺基苯偶氮变色酸三钠;变色酸
4-氨基-1,4-哌啶二甲酸 1-苄基酯
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