Congo red - analytical standard , CAS No.573-58-0

CAS: 573-58-0 Cat. No.: C100176 분자식: C32H22N6Na2O6S2 분자량: 696.66 EC 번호: 209-358-4
주문 가능
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods.
Synonyms
Brasilamina congo 4B | Mitsui Congo Red | NSC 7232 | C.I. Direct Red 28, disodium salt (8CI) | Cotton Red L | disodium 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate) | Hispamin Congo 4B | DTXSID4022816 | C32H22N6O6S2.2Na |
Storage
Room temperature
Shipped In
Normal
★
Size
USA
독일 (EU)*
Price
Qty
100mg
C100176-100mg
5 재고 있음
—

US$88.90

US$103.90
저장 US$15.00 (14.44%)
Enter a quantity for the sizes you want to add.
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Why this grade

analytical standard 분석 표준물질 for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 710 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

동의어
Brasilamina congo 4B | Mitsui Congo Red | NSC 7232 | C.I. Direct Red 28, disodium salt (8CI) | Cotton Red L | disodium 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate) | Hispamin Congo 4B | DTXSID4022816 | C32H22N6O6S2.2Na |
사양 및 순도
analytical standard
보관 조건
Room temperature
배송
Normal
등급
분석 표준물질
이름과 식별자
Pubchem Sid
정식 스마일
C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name
disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChIKey
IQFVPQOLBLOTPF-UHFFFAOYSA-L
INCHI
1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2
이성체 SMILES
C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
분자량
696.66
Reaxy-Rn
3894858
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3894858&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
분류Benzene and substituted derivatives
SubclassBiphenyls and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzidines
Alternative Parents 1-naphthalene sulfonic acids and derivatives  1-naphthalene sulfonates  1-sulfo,2-unsubstituted aromatic compounds  Sulfonyls  Organosulfonic acids  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Primary amines  Organopnictogen compounds  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Naphthalene sulfonate - 1-naphthalene sulfonic acid or derivatives - Naphthalene sulfonic acid or derivatives - 1-naphthalene sulfonate - Benzidine - Naphthalene - 1-sulfo,2-unsubstituted aromatic compound - Arylsulfonic acid or derivatives - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Azo compound - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Organic alkali metal salt - Amine - Organic salt - Organic sodium salt - Primary amine - Organosulfur compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic homopolycyclic compound
설명This compound belongs to the class of organic compounds known as benzidines. These are organic compounds containing the benzidine skeleton, made up of a biphenyl ring system substituted at the 4- and 4'-positions with a unsubstituted amine group.
External Descriptors azo compound
3D 구조
상호 작용 화학 구조 모델





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작용 메커니즘
인증서(CoA, COO, BSE/TSE 및 분석 차트)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate Type날짜항목
C2123038Certificate of AnalysisJun 08, 2026 C100176
J2211828Certificate of AnalysisApr 02, 2026 C100176
화학 및 물리적 특성
감도Moisture sensitive.
녹는점(°C)>360°C
분자량696.700 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count12
Rotatable Bond Count5
Exact Mass696.084 Da
Monoisotopic Mass696.084 Da
Topological Polar Surface Area233.000 Ų
Heavy Atom Count48
Formal Charge0
Complexity1180.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
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