2,3,5-Collidine, 99%

About 2,3,5-Collidine, 99%

2,3,5-Collidine is a pyridine derivative carrying the CAS registry number 695-98-7 with a typical assay of 99%. The compound has the formula C8H11N, corresponding to a molecular weight of 121.18 g/mol. The IUPAC name is 2,3,5-trimethylpyridine. Alternative names: Pyridine, 2,3,5-trimethyl- and 2,3,5-Trimethyl pyridine.

It is supplied as a liquid. Reported physical data include a density of 0.931 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,3,5-Collidine, 99%
Catalogue No.	VQ-011663
CAS Number	695-98-7
IUPAC name	2,3,5-trimethylpyridine
Molecular formula	C₈H₁₁N
Molecular weight	121.18 g/mol
Exact mass	121.0891
Purity / assay	99%
HSN code	29399900
InChIKey	GFYHSKONPJXCDE-UHFFFAOYSA-N
SMILES	CC1=CC(=C(N=C1)C)C
PubChem CID	12759

Physical properties
Physical form	Liquid
Appearance	Liquid
Density	0.931 g/mL at 25 °C
LogP (XLogP3)	2
H-bond donors / acceptors	0 / 1
TPSA	12.9 Å²
Synonyms	Pyridine, 2,3,5-trimethyl-, 2,3,5-Trimethyl pyridine, 2,3,5-Trimethyl-pyridine, 2,3,5-Trimethyl-pyridin, 2,3,5-Collidi, 2,3,5-Collidine, 99%, 2,3,5-Collidine, 2,3,5-Trimethylpyridine(Discontinued,See C4X-1112111)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, 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 2,3,5-Collidine, 99%?

The CAS Registry Number of 2,3,5-Collidine, 99% is 695-98-7. It is also known as Pyridine, 2,3,5-trimethyl-, 2,3,5-Trimethyl pyridine, 2,3,5-Trimethyl-pyridine.

What is the molecular formula and molecular weight of 2,3,5-Collidine, 99%?

2,3,5-Collidine, 99% has the molecular formula C8H11N and a molecular weight of 121.18 g/mol. Its IUPAC name is 2,3,5-trimethylpyridine.

Which grade and pack sizes of 2,3,5-Collidine, 99% can I order?

We supply 2,3,5-Collidine, 99% in (99%) grade, in 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,3,5-Collidine, 99%?

Yes. Every lot of 2,3,5-Collidine, 99% 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 2,3,5-Collidine, 99% be shipped internationally?

Yes. 2,3,5-Collidine, 99% 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.