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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:
分子量:
570.41
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
EC Number:
245-803-9
MDL number:
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产品名称

Sulfanilic acid azochromotrop, ≥80%

Quality Segment

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

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

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

General description

Sulfanilic acid azochromotrop is commonly known as SPADNS.

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.


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

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