5-Methyl-1H-benzotriazole - ≥99% , CAS No.136-85-6

CAS: 136-85-6 Cat. No.: M158122 Molecular Weight: 133.15 Beilstein Registry Number: 116658 EC Number: 205-265-8
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
5-Methyl-1,2,3-benzotriazole | 5-Methyl-1H-benzo[d][1,2,3]triazole | 5-Methylbenzotriazole | 6-tolyltriazole | 5-Methyl-1H-benzo-1,2,3-triazole | 6(or7)-Methyl-1H-benzo[d][1,2,3]triazole | NCGC00356952-01 | Retrocure G (Salt/Mix) | 1H-Benzotriazole, 6-met
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
M158122-5g
4

$9.90

$14.90
Save $5.00 (33.56%)
25g
M158122-25g
3

$15.90

$23.90
Save $8.00 (33.47%)
100g
M158122-100g
4

$39.90

$59.90
Save $20.00 (33.39%)
250g
M158122-250g
3

$87.90

$131.90
Save $44.00 (33.36%)
500g
M158122-500g
2

$135.90

$203.90
Save $68.00 (33.35%)
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Product Describtion:

It is an active component of aircraft deicing and anti-icing fluid. It prevents the corrosion of copper and brass in a variety of corrosive environments.

Product Application:

5-Methyl-1H-benzotriazole was used in determination of benzothiazoles and benzotriazoles in waste water samples by GC-MS. It is also used as a potential nitrification inhibitor of urea fertilizer in agricultural soils.

Specifications

Synonyms
5-Methyl-1, 2, 3-benzotriazole | 5-Methyl-1H-benzo[d][1, 2, 3]triazole | 5-Methylbenzotriazole | 6-tolyltriazole | 5-Methyl-1H-benzo-1, 2, 3-triazole | 6(or7)-Methyl-1H-benzo[d][1, 2, 3]triazole | NCGC00356952-01 | Retrocure G (Salt/Mix) | 1H-Benzotriazole, 6-met
Specifications & Purity
≥99%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥99%
Names and Identifiers
Pubchem Sid504751719
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504751719
Canonical SmilesCC1=CC2=NNN=C2C=C1
IUPAC Name5-methyl-2H-benzotriazole
InChIKeyLRUDIIUSNGCQKF-UHFFFAOYSA-N
INCHI1S/C7H7N3/c1-5-2-3-6-7(4-5)9-10-8-6/h2-4H,1H3,(H,8,9,10)
Isomeric SMILES CC1=CC2=NNN=C2C=C1
WGK Germany 3
RTECS DM1400000
Molecular Weight 133.15
Beilstein 116658
Reaxy-Rn 508886
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=508886&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
ClassBenzotriazoles
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzotriazoles
Alternative Parents Benzenoids  Triazoles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzotriazole - Benzenoid - Heteroaromatic compound - 1,2,3-triazole - Triazole - Azole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzotriazoles. These are organic compounds containing a benzene fused to a triazole ring (a five-membered ring with two carbon atoms and three nitrogen atoms).
External Descriptors benzotriazoles
3D Structure
Interactive Chemical Structure Model





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.

26 results found

Lot NumberCertificate TypeDateItem
H2211437Certificate of AnalysisMay 20, 2026 M158122
H2505046Certificate of AnalysisAug 10, 2025 M158122
A2120117Certificate of AnalysisNov 14, 2024 M158122
I2307516Certificate of AnalysisAug 14, 2023 M158122
A2303037Certificate of AnalysisDec 19, 2022 M158122
A2303049Certificate of AnalysisDec 19, 2022 M158122
A2303036Certificate of AnalysisDec 19, 2022 M158122
A2303035Certificate of AnalysisDec 19, 2022 M158122
A2303033Certificate of AnalysisDec 19, 2022 M158122
A2303032Certificate of AnalysisDec 19, 2022 M158122
A2303030Certificate of AnalysisDec 19, 2022 M158122
A2303029Certificate of AnalysisDec 19, 2022 M158122
A2303027Certificate of AnalysisDec 19, 2022 M158122
J2209367Certificate of AnalysisSep 20, 2022 M158122
J2209363Certificate of AnalysisSep 20, 2022 M158122
J2209356Certificate of AnalysisSep 20, 2022 M158122
J2209355Certificate of AnalysisSep 20, 2022 M158122
F2330019Certificate of AnalysisSep 20, 2022 M158122
D2320082Certificate of AnalysisSep 20, 2022 M158122
A2608125Certificate of AnalysisSep 20, 2022 M158122
H2211430Certificate of AnalysisJul 19, 2022 M158122
H2211431Certificate of AnalysisJul 19, 2022 M158122
H2211415Certificate of AnalysisJul 19, 2022 M158122
B2217342Certificate of AnalysisJan 22, 2022 M158122
B2217321Certificate of AnalysisJan 22, 2022 M158122
B2217261Certificate of AnalysisJan 22, 2022 M158122

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Chemical and Physical Properties
SolubilitySoluble in chloroform, methanol, water (6.0 g/l at 25° C), ethanol, and toluene (slightly).
SensitivityHeat sensitive
Boil Point(°C)210-212°C/12mmHg
Melt Point(°C)83 °C
Molecular Weight133.150 g/mol
XLogP31.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass133.064 Da
Monoisotopic Mass133.064 Da
Topological Polar Surface Area41.600 Ų
Heavy Atom Count10
Formal Charge0
Complexity126.000
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. Jie Ding, Zijun Yan, Lanqi Feng, Fuwan Zhai, Xiao Chen, Yuwei Xu, Siqun Tang, Chao Huang, Laicai Li, Ning Pan, Yi He, Yongdong Jin, Chuanqin Xia.  (2019)  Benzotriazole decorated graphene oxide for efficient removal of U(VI).  ENVIRONMENTAL POLLUTION,      [PMID:31310872] [10.1016/j.envpol.2019.06.109]
2. Zhenkun Deng, Bing Hu, Changliu He, Lihe Zhang, Xi Zhao, Xu Zhang.  (2024)  Benzotriazole aerobic biodegradation by activated sludge and Bacillus sp. DH-12: Performance, community succession, and transformation products characterization.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2024.113671]
3. Xiaoxiao Chen, Qianyi Huang, Rui Hou, Shan Liu, Hengxiang Li, Tiantian Chen, Xiangrong Xu.  (2025)  Benzotriazole (BT) and benzothiazole (BTH) derivatives as emerging marine pollutants in the Pearl River Estuary: Spatiotemporal distribution, environmental fates, and ecological risks.  ENVIRONMENTAL POLLUTION,      [PMID:40675245] [10.1016/j.envpol.2025.126840]
4. Chong Fu, Zuxin Fan, Dong Xiao, Guangming Tian, Yan Hou, Yunlong Wu, Rui Qu, Jing Zheng, Wan Yi, Xiaowei Zhou.  (2025)  Inhibition behavior of benzotriazole derivatives for SAC305 solder alloy in an organic acid environment: experimental and theoretical investigations.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2025.164031]
5. Yuchen Wang, Qianyi Huang, Siqi Zhang, Shan Liu, Hengxiang Li, Xiaodong Wang, Yan Wang, Rui Hou, Xiangrong Xu.  (2025)  In Vitro metabolism of six representative organic UV stabilizers (OUVs) in marine fish liver microsomes: Kinetics, mechanisms and bioaccumulation evaluation.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:40220380] [10.1016/j.jhazmat.2025.138211]
Solution Calculators
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