Orange Ⅳ - indicator , CAS No.554-73-4

CAS: 554-73-4 Cat. No.: O112780 분자식: C18H14N3NaO3S 분자량: 375.38 EC 번호: 209-071-4
주문 가능
GRADE & PURITY Indicator ? Indicator grade — characterized dye giving a defined color change at a known transition. Use to signal pH or titration endpoints visually.
Synonyms
MFCD00038130 | Sodium 4-[(4-anilinophenyl)diazenyl]benzene-1-sulfonate | VR8Q3R288W | FT-0682673 | NSC-10456 | Orange IV | Tropeolin OO | Acid Orange 5 | SY066681 | DTXSID8060294 | AKOS005111000 | 1.1'-carbonyl-diimidazole | Q6270611 | Orange 4 Lake | Ter
Storage
Room temperature
Shipped In
Normal
Size
USA
독일 (EU)*
Price
Qty
5g
O112780-5g
주문제작 · 8~12주
US$19.90
25g
O112780-25g
1 재고 있음
US$71.90
100g
O112780-100g
1 재고 있음
US$137.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

indicator 지표 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

동의어
MFCD00038130 | Sodium 4-[(4-anilinophenyl)diazenyl]benzene-1-sulfonate | VR8Q3R288W | FT-0682673 | NSC-10456 | Orange IV | Tropeolin OO | Acid Orange 5 | SY066681 | DTXSID8060294 | AKOS005111000 | 1.1'-carbonyl-diimidazole | Q6270611 | Orange 4 Lake | Ter
사양 및 순도
indicator
보관 조건
Room temperature
배송
Normal
등급
지표
이름과 식별자
Pubchem Sid488200440
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488200440
정식 스마일C1=CC=C(C=C1)NC2=CC=C(C=C2)N=NC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
IUPAC Namesodium;4-[(4-anilinophenyl)diazenyl]benzenesulfonate
InChIKeyMLVYOYVMOZFHIU-UHFFFAOYSA-M
INCHI1S/C18H15N3O3S.Na/c22-25(23,24)18-12-10-17(11-13-18)21-20-16-8-6-15(7-9-16)19-14-4-2-1-3-5-14;/h1-13,19H,(H,22,23,24);/q;+1/p-1
이성체 SMILES C1=CC=C(C=C1)NC2=CC=C(C=C2)N=NC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
분자량 375.38
Reaxy-Rn 3831566
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3831566&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
SuperclassOrganoheterocyclic compounds
분류Azobenzenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentAzobenzenes
Alternative Parents Benzenesulfonic acids and derivatives  Benzenesulfonyl compounds  1-sulfo,2-unsubstituted aromatic compounds  Aniline and substituted anilines  Primary aromatic amines  Sulfonyls  Organosulfonic acids  Azo compounds  Secondary amines  Propargyl-type 1,3-dipolar organic compounds  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  Organic cations  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Azobenzene - Benzenesulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Benzenesulfonyl group - Aniline or substituted anilines - Monocyclic benzene moiety - Benzenoid - Primary aromatic amine - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl - Organosulfonic acid - Azo compound - Organic alkali metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Secondary amine - Organic sodium salt - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Organic salt - Amine - Organic cation - Aromatic homomonocyclic compound
설명This compound belongs to the class of organic compounds known as azobenzenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to a benzene ring.
External Descriptors Not available
3D 구조
상호 작용 화학 구조 모델





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.

13 results found

Lot NumberCertificate Type날짜항목
D2622547Certificate of AnalysisMar 21, 2026 O112780
D2622551Certificate of AnalysisMar 21, 2026 O112780
J2513499Certificate of AnalysisMay 29, 2025 O112780
J2513500Certificate of AnalysisMay 29, 2025 O112780
E2520093Certificate of AnalysisJun 30, 2023 O112780
J2309252Certificate of AnalysisJun 30, 2023 O112780
J2309257Certificate of AnalysisJun 30, 2023 O112780
A2330116Certificate of AnalysisDec 01, 2022 O112780
A2330138Certificate of AnalysisDec 01, 2022 O112780
A2330146Certificate of AnalysisDec 01, 2022 O112780
A2330200Certificate of AnalysisDec 01, 2022 O112780
F23171177Certificate of AnalysisDec 01, 2022 O112780
L2203204Certificate of AnalysisNov 15, 2022 O112780

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화학 및 물리적 특성
감도Moisture sensitive.
분자량375.400 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count6
Rotatable Bond Count5
Exact Mass375.065 Da
Monoisotopic Mass375.065 Da
Topological Polar Surface Area102.000 Ų
Heavy Atom Count26
Formal Charge0
Complexity530.000
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 Count2
자주 묻는 질문과 기사
Citations of This Product
참고 문헌
1. Hua Lin, Kaiwei Chen, Linlin Du, Peng Gao, Junli Zheng, Yuanli Liu, Lili Ma.  (2022)  Efficient and selective adsorption of methylene blue and methyl violet dyes by yellow passion fruit peel.  ENVIRONMENTAL TECHNOLOGY,      [PMID:33944677] [10.1080/09593330.2021.1924288]
2. Wenbo Liu, Chuanbin Fan, Ziao Zong, Nana Li, Kaixuan Ma, Bin Zhu, Xia Zhang, Yuhua Fan.  (2020)  Two Co(Ⅱ)-based metal organic frameworks for highly efficient removal of azo dyes from aqueous environment: Synthesis, selective adsorption and adsorption mechanism.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2020.125236]
3. Fangke Yu, Yang Chen, Yuwei Pan, Yang Yang, Hongrui Ma.  (2020)  A cost-effective production of hydrogen peroxide via improved mass transfer of oxygen for electro-Fenton process using the vertical flow reactor.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2020.116695]
4. Huan Wang, Yinmao Wei.  (2017)  Magnetic graphene oxide modified by chloride imidazole ionic liquid for the high-efficiency adsorption of anionic dyes.  RSC Advances,  (15): (9079-9089).  [PMID:] [10.1039/C6RA27530C]
5. Yan Fu, Nan Lyu, Xia Tang, Ying Wang, Xiaohui Mou, Wentai Zhang, Siwei Yin, Mu Li, Na Bai, Nan Huang, Xin Li, Yifeng Lei, Jun Hou, Zhilu Yang.  (2025)  Glutathione peroxidase mimic-engineered α-lactalbumin self-assembling coatings tailor immunomodulatory vascular stents for suppressing restenosis.  Bioactive Materials,      [PMID:41438204] [10.1016/j.bioactmat.2025.11.042]
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자주 묻는 질문

What are the CAS number, molecular formula and molecular weight?
The CAS Number is 554-73-4, the molecular formula is C18H14N3NaO3S, and the molecular weight is 375.38 g/mol. InChIKey MLVYOYVMOZFHIU-UHFFFAOYSA-M.
What does indicator mean?
indicator is a defined analytical purity tier suitable for quantitative analytical methods. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. indicator is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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