Skip to content
Molekula

Molekula

o-Anisaldehyde

SKU 25801516 CAS 135-02-4 C6H4(OCH3)CHO MW 136.15 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

O-Anisaldehyde is an aromatic aldehyde with a sweet, floral aroma, widely used in perfumery, flavoring, and as a precursor in organic synthesis. It appears as a pale yellow to colorless liquid with a strong anisic scent. This chemical has a CAS number of 135-02-4, molecular formula C8H8O2 (or C6H4(OCH3)CHO), and a molecular weight of 136.15 g/mol. It should be stored at ambient conditions and handled with caution, as it carries a "Warning" signal word for safety. Molekula supplies o-Anisaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Specifications available on request — see Documents below or contact our sales team.

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Melting Point 39 °C
Boiling Point 238 °C at 760 mmHg
Solubility (other solvents) Soluble in water and propylene glycol
Vapour Pressure 0.12 mmHg

Source: PubChem CID 8658 (Human Metabolome Database (HMDB), Joint FAO/WHO Expert Committee on Food Additives (JECFA), Haz-Map)

Identification

Property Value
SKU 25801516
CAS Number 135-02-4
IUPAC Name 2-methoxybenzaldehyde
EC Number 205-171-7
Molecular Formula C6H4(OCH3)CHO
Molecular Weight 136.15
Exact Mass 136.0524
SMILES COC1=CC=CC=C1C=O
InChIKey PKZJLOCLABXVMC-UHFFFAOYSA-N
InChI InChI=1S/C8H8O2/c1-10-8-5-3-2-4-7(8)6-9/h2-6H,1H3
PubChem CID 8658
REACH Code Y113
TSCA Listed Yes
HTS Code 29124926
Tariff Code 2912490090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H303 May be harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • 2-METHOXYBENZALDEHYDE
  • 2Anisaldehyde
  • Benzaldehyde, 2-methoxy-
  • FEMA NO. 4077
  • Formylanisole, o-
  • METHOXYBENZALDEHYDE, O-
  • O-ANISALDEHYDE (USP-RS)
  • O-Anisaldehyde, 8CI
  • o-Methoxybenzaldehyde

Frequently asked questions

What is o-Anisaldehyde commonly used for?

o-Anisaldehyde is primarily used as a fragrance and flavor compound, particularly in perfumery, cosmetics, and food/beverage flavoring (e.g., vanilla-like notes). It’s also a reagent in organic synthesis for aldehyde-based reactions.

What is the chemical formula and molecular weight of o-Anisaldehyde?

The formula is **C₆H₄(OCH₃)CHO** (C₈H₈O₂), and the molecular weight is **136.15 g/mol**.

How should o-Anisaldehyde be stored?

Store in a tightly sealed container at **ambient temperature**, away from heat, sparks, and open flames. Keep in a well-ventilated area.

What grades of o-Anisaldehyde does Molekula supply?

Molekula supplies **ACS reagent grade** and **technical grade** o-Anisaldehyde, with purity typically ≥98% for ACS and ≥95% for technical.

Can Molekula supply o-Anisaldehyde in bulk quantities?

Yes, we offer bulk packaging options (e.g., 5kg, 25kg drums, or custom quantities) for industrial and commercial customers—contact us for pricing and lead times.

What documentation is provided with an order of o-Anisaldehyde?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability. Custom certifications (e.g., Kosher, REACH) are available upon request.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket