2-Hydroxy-4-(octyloxy)benzophenone(HOBP) - ≥99% , CAS No.1843-05-6

CAS: 1843-05-6 Cat. No.: H109120 Molecular Weight: 326.43 EC Number: 217-421-2
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
CHEBI:135390 | Octabenzon | UV-531 | NCGC00164173-03 | Viosorb 130 | UF 4 | Biosorb 130 | 2-HYDROXY-4-(OCTYLOXY)BENZOPHENONE | NCGC00164173-02 | 2-Benzoyl-5-(octyloxy)phenol | SCHEMBL27387 | SMR000112471 | 2-Hydroxy-4-(octyloxy)benzophenone, 98% | OCTABEN
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
H109120-25g
4

$12.90

$19.90
Save $7.00 (35.18%)
100g
H109120-100g
3

$32.90

$49.90
Save $17.00 (34.07%)
250g
H109120-250g
3

$50.90

$76.90
Save $26.00 (33.81%)
500g
H109120-500g
2

$68.90

$103.90
Save $35.00 (33.69%)
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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Quality documents

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

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Literature proof

Cited in 11 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
CHEBI:135390 | Octabenzon | UV-531 | NCGC00164173-03 | Viosorb 130 | UF 4 | Biosorb 130 | 2-HYDROXY-4-(OCTYLOXY)BENZOPHENONE | NCGC00164173-02 | 2-Benzoyl-5-(octyloxy)phenol | SCHEMBL27387 | SMR000112471 | 2-Hydroxy-4-(octyloxy)benzophenone, 98% | OCTABEN
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid488182178
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182178
Canonical SmilesCCCCCCCCOC1=CC(=C(C=C1)C(=O)C2=CC=CC=C2)O
IUPAC Name(2-hydroxy-4-octoxyphenyl)-phenylmethanone
InChIKeyQUAMTGJKVDWJEQ-UHFFFAOYSA-N
INCHI1S/C21H26O3/c1-2-3-4-5-6-10-15-24-18-13-14-19(20(22)16-18)21(23)17-11-8-7-9-12-17/h7-9,11-14,16,22H,2-6,10,15H2,1H3
Isomeric SMILES CCCCCCCCOC1=CC(=C(C=C1)C(=O)C2=CC=CC=C2)O
WGK Germany 1
RTECS DJ1595000
Molecular Weight 326.43
Reaxy-Rn 1915198
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1915198&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
ClassBenzene and substituted derivatives
SubclassBenzophenones
Intermediate Tree Nodes Not available
Direct ParentBenzophenones
Alternative Parents Diphenylmethanes  Aryl-phenylketones  Phenoxy compounds  Phenol ethers  Benzoyl derivatives  Alkyl aryl ethers  1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Vinylogous acids  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzophenone - Diphenylmethane - Aryl-phenylketone - Aryl ketone - Phenol ether - Benzoyl - Phenoxy compound - Phenol - Alkyl aryl ether - 1-hydroxy-2-unsubstituted benzenoid - 1-hydroxy-4-unsubstituted benzenoid - Vinylogous acid - Ketone - Ether - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzophenones. These are organic compounds containing a ketone attached to two phenyl groups.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
PPARA Tclin Peroxisome proliferator-activated receptor alpha (9197 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

17 results found

Lot NumberCertificate TypeDateItem
B2602365Certificate of AnalysisJan 20, 2026 H109120
B2602371Certificate of AnalysisJan 20, 2026 H109120
F2603067Certificate of AnalysisJan 20, 2026 H109120
B2602363Certificate of AnalysisJan 20, 2026 H109120
H2513123Certificate of AnalysisAug 26, 2025 H109120
G2510045Certificate of AnalysisJul 18, 2022 H109120
G2518033Certificate of AnalysisJul 18, 2022 H109120
H2330035Certificate of AnalysisJul 18, 2022 H109120
G2319516Certificate of AnalysisJul 18, 2022 H109120
J2209147Certificate of AnalysisJul 18, 2022 H109120
J2209148Certificate of AnalysisJul 18, 2022 H109120
J2209150Certificate of AnalysisJul 18, 2022 H109120
J2209153Certificate of AnalysisJul 18, 2022 H109120
J2209397Certificate of AnalysisJul 18, 2022 H109120
K2405021Certificate of AnalysisJul 18, 2022 H109120
L2426223Certificate of AnalysisJul 18, 2022 H109120
L2516072Certificate of AnalysisJul 18, 2022 H109120

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Chemical and Physical Properties
SolubilityInsoluble in water; Soluble in Toluene,Benzene; Slightly soluble in Ethanol
Melt Point(°C)48°C
Molecular Weight326.400 g/mol
XLogP36.800
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count10
Exact Mass326.188 Da
Monoisotopic Mass326.188 Da
Topological Polar Surface Area46.500 Ų
Heavy Atom Count24
Formal Charge0
Complexity349.000
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 Count1
Documents & Articles
Citations of This Product
References
1. Jiahao He, Zhijiang Liu, Wenlu Zhang, Chong He, Wenbin Li.  (2023)  Atomic layer deposition of TiO2 nanolayer coated Vectran fabrics with enhanced UV-blocking performance and structural colors.  Surfaces and Interfaces,      [PMID:] [10.1016/j.surfin.2023.103477]
2. Hao Lin, Shaowei Wang, Yunbing Tang, Zhiyan Hu, Xiaofang Chen, Huitao Li, Yang Zhu, Yiyan Wang, Yi Liu, Ren-shan Ge.  (2023)  Benzophenone-type ultraviolet filters inhibit human and rat placental 3β-hydroxysteroid dehydrogenases: Structure-activity relationship and in silico docking analysis.  TOXICOLOGY LETTERS,      [PMID:37217011] [10.1016/j.toxlet.2023.05.006]
3. Yaping Gan, Yan Zhu.  (2022)  Multi-Residue Analysis of Chemical Additives in Edible Vegetable Oils Using QuEChERS Extraction Method Followed by Supercritical Fluid Chromatography.  MOLECULES,  27  (5): (1681).  [PMID:35268782] [10.3390/molecules27051681]
4. Dahai Zhang, Qianhao Pan, Minghao Jia, Xiaogang Zhang, Yapei Wang.  (2021)  Three Birds with One Stone: Preventive Protection of Paper Materials by ZnO-PHMB and UV-531 Composite Systems.  LANGMUIR,      [PMID:34236192] [10.1021/acs.langmuir.1c00770]
5. Cheng Jie, Kong Xiaojian, Liu Shucheng, Che Dandan, Sun Zhiwei, Li Guoliang, Ping Meiling, Tang Jingpu, You Jinmao.  (2018)  Determination of Ultraviolet Filters in Domestic Wastewater by LC–MS Coupled with Polydopamine-Based Magnetic Solid-Phase Extraction and Isotope-Coded Derivatization.  CHROMATOGRAPHIA,  81  (12): (1673-1684).  [PMID:] [10.1007/s10337-018-3650-x]
6. Yunhe Zhang, Gaihuan Ren, Gaowei Nie, Shenpeng Hu, Dongxiang Li, Wen Sun, Zhanzhao Li, Zhenhua Cui, Dongxu Lu, Xiaohan Shi, Longwei Li, Hongqin Yu, Jianxin He.  (2024)  Facile fabrication of fluorine-free waterproof and breathable nanofiber membranes with UV-resistant and acid-alkali resistant performances.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2024.133310]
7. Ke Wang, Xiaoyan Sun, Fayong Li, Dong Xie.  (2024)  Solid-phase synthesis of grafted carbon black for superior aging resistance in biodegradable poly(butylene adipate-co-butylene terephthalate) composite films.  JOURNAL OF VINYL & ADDITIVE TECHNOLOGY,      [PMID:] [10.1002/vnl.22173]
8. Yunhe Zhang, Gaihuan Ren, Gaowei Nie, Shenpeng Hu, Wen Sun, Dongxiang Li, Zhenhua Cui, Yiming Li, Dongxu Lu, Hongqin Yu, Jianxin He.  (2025)  One-Step Electrospinning for Fluorine-Free Nanofiber Membranes with Optimally Integrated Waterproofing, Breathability, and UV Protection.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.5c01079]
9. Weirui Zhang, Xiaofeng Cui, Wenjing Ji, Ming Huang, Na Zhang, Liwei Mi, Xianhu Liu.  (2025)  UV-Resistant and Antierosion TPU Nanocomposite Films for Wind Turbine Blade Protection in Desert Environments.  JOURNAL OF APPLIED POLYMER SCIENCE,      [PMID:] [10.1002/app.57979]
10. Yu Yeli, Zhang Yong, Yang Xiaogang, Liu Hongyi, Shao Lan, Zhang Xiumei, Yao Juming.  (2015)  Biodegradation process and yellowing mechanism of an ecofriendly superabsorbent based on cellulose from flax yarn wastes.  CELLULOSE,  22  (1): (329-338).  [PMID:] [10.1007/s10570-014-0531-9]
11. Zhe Wang, Zhenkai Mu, Xuye Wang, Wei Wang, Xuerui Dai, Shibo Ma, Xinni Zhang.  (2025)  Multicomponent additive engineering for high-precision vat photopolymerization of Si3N4 ceramics.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2025.12.046]
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