Alpha-Terpinene

Name: Alpha-Terpinene
Brand: Vaqora Chemicals
SKU: VQ-034143

About Alpha-Terpinene

Alpha-Terpinene (CAS 99-86-5) is an impurity of Terpinene offered by Vaqora Chemicals. The compound has the formula C10H16, corresponding to a molecular weight of 136.23 g/mol. Systematically, it is named 1-methyl-4-propan-2-ylcyclohexa-1,3-diene. It is also known as Terpilene or p-Mentha-1,3-diene.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Terpinene to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Terpinene

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

Terpinene impurities

Specifications & identifiers

Chemical identifiers
Product name	Alpha-Terpinene
Catalogue No.	VQ-034143
CAS Number	99-86-5
IUPAC name	1-methyl-4-propan-2-ylcyclohexa-1,3-diene
Molecular formula	C₁₀H₁₆
Molecular weight	136.23 g/mol
Exact mass	136.1252
Grade	Reference Standard
HSN code	38229090
InChIKey	YHQGMYUVUMAZJR-UHFFFAOYSA-N
SMILES	CC1=CC=C(CC1)C(C)C
PubChem CID	7462

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	Terpilene, p-Mentha-1,3-diene, 1-Isopropyl-4-methyl-1,3-cyclohexadiene, 1,3-Cyclohexadiene, 1-methyl-4-(1-methylethyl)-, alpha-Terpinen, 1-isopropyl-4-methylcyclohexa-1,3-diene, 1-Methyl-4-(1-methylethyl)-1,3-cyclohexadiene, 1-methyl-4-(propan-2-yl)cyclohexa-1,3-diene, .alpha.-Terpinen, a-terpinene, 1-Methyl-4-isopropylcyclohexadiene-1,3

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H226Flammable liquid and vapor
H302Harmful if swallowed
H304May be fatal if swallowed and enters airways
H317May cause an allergic skin reaction
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P270, P272, P273, P280, P301 + P316, P301 + P317, P302 + P352, P303 + P361 + P353, P321, P330, P331, P333 + P317, P362 + P364, P370 + P378, P391, P403 + P235

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 Alpha-Terpinene?

The CAS Registry Number of Alpha-Terpinene is 99-86-5. It is also known as Terpilene, p-Mentha-1,3-diene, 1-Isopropyl-4-methyl-1,3-cyclohexadiene.

What is the molecular formula and molecular weight of Alpha-Terpinene?

Alpha-Terpinene has the molecular formula C10H16 and a molecular weight of 136.23 g/mol. Its IUPAC name is 1-methyl-4-propan-2-ylcyclohexa-1,3-diene.

What is Alpha-Terpinene used for?

Alpha-Terpinene is supplied as a characterised reference material related to Terpinene. 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 Alpha-Terpinene can I order?

We supply Alpha-Terpinene 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 Alpha-Terpinene?

Yes. Every lot of Alpha-Terpinene 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 Alpha-Terpinene be shipped internationally?

Yes. Alpha-Terpinene 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.