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Molecule
ID:107261
Structure
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Functional Group
Text
General Information
Structure
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Molecular Formula
C₁₆H₁₀N₂Na₂O₈S₂
Molecular Mass
468.36874
Exact Mass
467.96739585
Charge
0
InChI
InChI=1S/C16H12N2O8S2.2Na/c19-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)18-17-10-4-2-1-3-5-10;;/h1-8,19-20H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2
InChIKey
GXEAXHYQKZAJGB-UHFFFAOYSA-L
Canonic Smiles
Oc1cc(cc2c1c(O)c(c(c2)S(=O)(=O)[O-])N=Nc1ccccc1)S(=O)(=O)[O-].[Na+].[Na+]
Isomeric Smiles
[Na+].[Na+].Oc1cc(cc2c1c(O)c(/N=N/c1ccccc1)c(c2)S(=O)(=O)[O-])S(=O)(=O)[O-]
Calculated Properties
JChem
LogD (pH = 7.4)
-2.12
LogD (pH = 5.5)
-1.64
Log P
-1.04
Rotatable Bonds
4
H Donor
2
H Acceptors
10
Lipinski's Rule of Five
true
Acid pKa
-3.06
Polar Surface Area
179.58
Polarizability
38.66
Molar Refractivity
99.79
LOG S
-3.68
Data Source
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Molecule Details
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From Data Sources
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Data Source
Commercial Catalog
Sigma Aldrich
C3143
202088
27140
MP Biomedicals
05203095
Alfa Aesar
A17519
A&J Pharmtech
AJA-O10508
Academic Data
PubChem
5359970
ChEBI
CHEBI:87106
Names and Identifiers
Synonyms
AZOFUCHSIN
2-(Phenylazo)chromotropic acid disodium salt
Acid Red 29
Chromotrope 2R
C.I. 16570
铬变素 2R
disodium 4,5-dihydroxy-3-phenylazoNaphthalene-2,7-disulphonate
C.I. Acid Red 29
acid red 29
Cromatrope 2R
Acilan chromotrope RR
NSC 7829
C.I. Acid Red 29, disodium salt
Chromotrope Red 2R
Fast fuchsin G
carmoisine 6R
C.I. 16570
Hispacid fuchsin G
chromotrope 2R
Acid Chromotrope 2R
Fast fuchsine G
3-(phenylazo)chromotropic acid, disodium salt
Brasilan Fast fuchsine G
IUPAC Traditional name
dipotassium 4,5-dihydroxy-3-(2-phenyldiazen-1-yl)naphthalene-2,7-disulfonate
disodium 4,5-dihydroxy-3-[(E)-2-phenyldiazen-1-yl]naphthalene-2,7-disulfonate
disodium 4,5-dihydroxy-3-(2-phenyldiazen-1-yl)naphthalene-2,7-disulfonate
IUPAC name
disodium 4,5-dihydroxy-3-(2-phenyldiazen-1-yl)naphthalene-2,7-disulfonate
disodium 4,5-dihydroxy-3-[(E)-2-phenyldiazen-1-yl]naphthalene-2,7-disulfonate
Registration numbers
EC Number
224-085-0
CAS Number
4197-07-3
839148
Color Index Number
16570
MDL Number
MFCD00003955
PubChem SID
24892586
162093349
252162775
PubChem CID
5359970
20172
PubMed Citation Links
25554962
CHEBI ID
CHEBI:87106
Reaxys Registry
7616654
Properties
Safety Information
RTECS
QJ6418000
Source
MSDS Link
Download link
Source
Download link
Source
Download link
Source
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Source
German water hazard class
3
Source
GHS Signal Word
Warning
Source
GHS Precautionary statements
P261
-
P305+P351+P338
Source
Risk Statements
36/37/38
Source
European Hazard Symbols
Irritant (Xi)
Source
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Source
Safety Statements
26
-
36
Source
GHS Hazard statements
H315
-
H319
-
H335
Source
TSCA Listed
否
Source
Product Information
Certificate of Analysis
Download link
Source
Compostion
Dye content, ≥70%
Source
Dye content, 75%
Source
Suitability
suitable for modified Gomori Trichrome stain
Source
Empirical Formula (Hill Notation)
C16H10N2Na2O8S2
Source
Grade
indicator (for complexometry)
Source
for microscopy (Hist.)
Source
Purity
97%
Source
Physical Property
Absorption Wavelength
λmax 510 nm
Source
λmax 530 nm (2nd)
Source
Molecule Details
Sigma Aldrich
C3143
包装
25, 100 g in glass bottle
ChEBI
CHEBI:87106
An organic sodium salt that is the disodium salt of 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid. It is used as the plasma stain in trichrome techniques.
References
PubChem Literature
From Data Sources
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Indicator for complexometry.
Bioactivity
PubChem BioAssay
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Reaxys Registry