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Merck
CN

S9256

Sulfanilic acid azochromotrop

≥80% purity, powder

别名:

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

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关于此项目

经验公式（希尔记法）:
C16H9N2Na3O11S3
化学文摘社编号:
23647-14-5
分子量:
570.41
NACRES:
NA.47
PubChem Substance ID:
24899830
UNSPSC Code:
12171500
EC Number:
245-803-9
MDL number:
MFCD00003952

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产品名称

Sulfanilic acid azochromotrop, ≥80%

InChI

1S/C16H12N2O11S3.3Na/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;;;/h1-7,19-20H,(H,21,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;

InChI key

AEHGQXKBQBMQEK-GLCFPVLVSA-K

SMILES string

[Na+].[Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccc(cc3)S([O-])(=O)=O)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O

assay

≥80%

form

powder

composition

Carbon: 26.0-35.0%

Nitrogen: 3.6-5.9%

technique(s)

titration: suitable

color

dark red

solubility

water: 10 mg/mL

λmax

505-510 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

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相关类别

Application

Sulfanilic acid azochromotrop, commonly known as SPADNS, is used mostly as an indicator for complexometric determinations of transition metals like zirconium. It is used as a reagent for drinking and wastewater analysis.

General description

Sulfanilic acid azochromotrop is commonly known as SPADNS.

存储类别

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000509771
0000509771
0000508756
0000508756
0000506002

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