Benzene - AR, ≥99.5% , CAS No.71-43-2

CAS: 71-43-2 Cat. No.: B116187 Formula: C6H6 Molecular Weight: 78.11 Beilstein Registry Number: 969212 EC Number: 200-753-7
AVAILABLE TO ORDER
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥99.5%
Synonyms
Pyrobenzol | Caswell No. 077 | NSC 67315 | phenylmanganese iodide | BENZENE (USP-RS) | CCRIS 70 | Fenzen | UNII-J64922108F | Benzeen [Dutch] | 22 - BTEX in Soil | 34J - WFD J | BENZENE (IARC) | benzol | Benzolo [Italian] | BENZENE [USP-RS] | benzin /obsol
Storage
Room temperature,Argon charged,Desiccated
Shipped In
FedEx DG Service
★
Size
Germany (EU)
USA*
Price
Qty
100ml
B116187-100ml
4 In stock
In stock ≥10
€8.59
500ml
B116187-500ml
7 In stock
In stock ≥10
€19.87
12×500ml
B116187-12×500ml
Made to order · 8–12 wks
€141.35
Enter a quantity for the sizes you want to add.
🧪
Why this grade

AR, ≥99.5% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated Ships FedEx DG Service 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 345 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Has strong refractive index. There is a special odor. Flammable. When burning, black smoke is emitted without a green edge. It can be miscible with ethanol, ether, acetone, carbon tetrachloride, carbon disulfide, glacial acetic acid, and oil at will, and slightly soluble in water. Flammable. Low toxicity, median lethal dose (rat, oral) 3800mg/kg. There is a possibility of cancer. Solvents such as fats, resins, and iodine. Measurement of mineral refractive index, organic synthesis, optically pure solvent.

Specifications

Synonyms
Pyrobenzol | Caswell No. 077 | NSC 67315 | phenylmanganese iodide | BENZENE (USP-RS) | CCRIS 70 | Fenzen | UNII-J64922108F | Benzeen [Dutch] | 22 - BTEX in Soil | 34J - WFD J | BENZENE (IARC) | benzol | Benzolo [Italian] | BENZENE [USP-RS] | benzin /obsol
Specifications & Purity
AR, ≥99.5%
Storage
Room temperature,Argon charged,Desiccated
Shipped In
FedEx DG Service
Grade
AR
Purity
≥99.5%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508816369
Canonical Smiles
C1=CC=CC=C1
IUPAC Name
benzene
InChIKey
UHOVQNZJYSORNB-UHFFFAOYSA-N
INCHI
1S/C6H6/c1-2-4-6-5-3-1/h1-6H
Isomeric SMILES
C1=CC=CC=C1
WGK Germany
3
RTECS
CY1400000
UN Number
1114
Packing Group
II
Molecular Weight
78.11
Beilstein
969212
Reaxy-Rn
969212
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=969212&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
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzene and substituted derivatives
Alternative Parents Aromatic hydrocarbons  Unsaturated hydrocarbons  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Monocyclic benzene moiety - Aromatic hydrocarbon - Unsaturated hydrocarbon - Hydrocarbon - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene.
External Descriptors an aromatic compound
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RXRA Tclin Retinoid X receptor alpha (3637 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TP53 Tchem Cellular tumor antigen p53 (48468 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Ppard Peroxisome proliferator-activated receptor delta (358 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
E Lysozyme (95 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
I2628632Certificate of AnalysisOct 15, 2026 B116187
F2608610Certificate of AnalysisJul 01, 2026 B116187
C2616779Certificate of AnalysisMar 23, 2026 B116187
L2516130Certificate of AnalysisDec 19, 2025 B116187
F2530044Certificate of AnalysisJul 22, 2025 B116187
K2520829Certificate of AnalysisJul 22, 2025 B116187
K2405477Certificate of AnalysisNov 15, 2024 B116187
E2422567Certificate of AnalysisOct 17, 2023 B116187
J2307011Certificate of AnalysisOct 17, 2023 B116187
F2301762Certificate of AnalysisJun 12, 2023 B116187
B116187-100ml;A2330605Certificate of AnalysisFeb 02, 2023 B116187
K2208074Certificate of AnalysisNov 16, 2022 B116187
H2217120Certificate of AnalysisAug 22, 2022 B116187
H2217121Certificate of AnalysisJul 29, 2022 B116187
E2219168Certificate of AnalysisMay 09, 2022 B116187
E2219175Certificate of AnalysisMay 09, 2022 B116187
E2219115Certificate of AnalysisMay 09, 2022 B116187
Chemical and Physical Properties
SolubilitySolubility in water: Practically Insoluble; Degree of Solubility in water: 1.8 g/l 25 °C
SensitivityHygroscopic.
Refractive Index1.50108
Flash Point(°C)-11℃
Boil Point(°C)80.1°C
Melt Point(°C)5.5°C
Molecular Weight78.110 g/mol
XLogP32.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass78.047 Da
Monoisotopic Mass78.047 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count6
Formal Charge0
Complexity15.500
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
Solution Calculators
Reviews

Customer Reviews

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