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API Impurities

Alpha-Terpinene

Reference StandardAvailable on request

Order Alpha-Terpinene (CAS 99-86-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-032631.

Pack sizes
Alpha-Terpinene chemical structure
CAS number99-86-5
FormulaC10H16
Molar mass136.23 g/mol
Physical formSolid
HS code38229090
InChIKeyYHQGMYUVUMAZJR-UHFFFAOYSA-N
IUPAC name1-methyl-4-propan-2-ylcyclohexa-1,3-diene

About Alpha-Terpinene

Alpha-Terpinene is supplied by Zemixal as a characterised reference material for Terpinene analysis. Key data (Reference Standard): CAS 99-86-5, formula C10H16 and molar mass 136.23 g/mol. It is handled as a solid.

Use cases we see most often

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

Safe handling

Classified under GHS with signal word Danger and hazard statements H226, H302, H304 and H317. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Terpinene

See every impurity, metabolite and related compound we list for this API.

Terpinene standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Alpha-Terpinene
Product nameAlpha-Terpinene
Catalogue numberZX-032631
CAS number99-86-5
IUPAC name1-methyl-4-propan-2-ylcyclohexa-1,3-diene
Molecular formulaC10H16
Molar mass136.23 g/mol
Exact mass136.1252
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors0 / 0
Topological polar surface area0 Ų
HS code38229090
InChIKeyYHQGMYUVUMAZJR-UHFFFAOYSA-N
SMILESCC1=CC=C(CC1)C(C)C
PubChem CID7462
SynonymsTerpilene, 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Alpha-Terpinene
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Alpha-Terpinene

Which CAS number identifies Alpha-Terpinene?
Alpha-Terpinene is registered under CAS 99-86-5. You may also see it listed as Terpilene, p-Mentha-1,3-diene, 1-Isopropyl-4-methyl-1,3-cyclohexadiene. Our catalogue number for this item is ZX-032631.
What are the formula and molar mass of Alpha-Terpinene?
For Alpha-Terpinene, its formula is C10H16 and its molar mass is 136.23 g/mol. The systematic (IUPAC) name is 1-methyl-4-propan-2-ylcyclohexa-1,3-diene. InChIKey YHQGMYUVUMAZJR-UHFFFAOYSA-N lets you match it in any structure database.
How is Alpha-Terpinene used in pharmaceutical QC?
Alpha-Terpinene is a characterised reference material linked to Terpinene. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Alpha-Terpinene?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Alpha-Terpinene?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Alpha-Terpinene to my country?
Yes. Because Alpha-Terpinene is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Terpinene standards

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