2-Benzotriazolyl-4-tert-octylphenol

Name: 2-Benzotriazolyl-4-tert-octylphenol
Brand: Vaqora Chemicals
SKU: VQ-021847

About 2-Benzotriazolyl-4-tert-octylphenol

Listed under CAS 3147-75-9, 2-Benzotriazolyl-4-tert-octylphenol is an impurity of Bisoctrizole available from Vaqora Chemicals. The compound has the formula C20H25N3O, corresponding to a molecular weight of 323.4 g/mol. The IUPAC name is 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol. Alternative names: 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole and Tinuvin 329.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Bisoctrizole, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer 2-Benzotriazolyl-4-tert-octylphenol in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Bisoctrizole

View every impurity, metabolite and intermediate we list for Bisoctrizole.

Bisoctrizole impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Benzotriazolyl-4-tert-octylphenol
Catalogue No.	VQ-021847
CAS Number	3147-75-9
IUPAC name	2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol
Molecular formula	C₂₀H₂₅N₃O
Molecular weight	323.4 g/mol
Exact mass	323.1998
Grade	Reference Standard
HSN code	38229090
InChIKey	IYAZLDLPUNDVAG-UHFFFAOYSA-N
SMILES	CC(C)(C)CC(C)(C)C1=CC(=C(C=C1)O)N2N=C3C=CC=CC3=N2
PubChem CID	62485

Physical properties
Physical form	Solid
LogP (XLogP3)	7.3
H-bond donors / acceptors	1 / 3
TPSA	50.9 Å²
Synonyms	2-(2H -Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl) phenol, 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole, Tinuvin 329, Cyasorb 5411, 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol, Cyasorb UV 5411, Octrizol, Sumisorb 340, Seesorb 709, Viosorb 583, Spectra-Sorb UV 5411, UV Absorber-5

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2-Benzotriazolyl-4-tert-octylphenol?

The CAS Registry Number of 2-Benzotriazolyl-4-tert-octylphenol is 3147-75-9. It is also known as 2-(2H -Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl) phenol, 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole, Tinuvin 329.

What is the molecular formula and molecular weight of 2-Benzotriazolyl-4-tert-octylphenol?

2-Benzotriazolyl-4-tert-octylphenol has the molecular formula C20H25N3O and a molecular weight of 323.4 g/mol. Its IUPAC name is 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol.

What is 2-Benzotriazolyl-4-tert-octylphenol used for?

2-Benzotriazolyl-4-tert-octylphenol is supplied as a characterised reference material related to Bisoctrizole. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 2-Benzotriazolyl-4-tert-octylphenol can I order?

We supply 2-Benzotriazolyl-4-tert-octylphenol in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Benzotriazolyl-4-tert-octylphenol?

Yes. Every lot of 2-Benzotriazolyl-4-tert-octylphenol is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-Benzotriazolyl-4-tert-octylphenol be shipped internationally?

Yes. 2-Benzotriazolyl-4-tert-octylphenol is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.