CAS 121-33-5
Vanillin
香兰素
From the buying desk
Most export vanillin is synthetic from guaiacol. Natural claims need separate documentation, and buyers selling into natural labels should ask how it was made. Not dangerous goods; ships in 25 kg cartons or drums.
Import Card
Before you order vanillin from China, see its register listing, the duty, anti dumping cases and a supplier check on one card, each with its source and date.
Identifiers
- Synonyms
- 4-Hydroxy-3-methoxybenzaldehyde, Vanillic aldehyde
- Formula
- C8H8O3
- Molecular weight
- 152.15 g/mol
- SMILES
- COC1=C(C=CC(=C1)C=O)O
- InChIKey
- MWOOGOJBHIARFG-UHFFFAOYSA-N
- HS code (6-digit)
- 291241
US and Australian rules for Vanillin
Read from the official lists by CAS 121-33-5. Screening only: check the source before you ship, store or report.
California Prop 65
No entryNo entry for CAS 121-33-5 in the OEHHA list dated July 31, 2026.
OSHA exposure limit
No entryNo entry for CAS 121-33-5 in 29 CFR 1910.1000 Tables Z-1 to Z-3.
Australian exposure standard
No entryNo entry for CAS 121-33-5 in the Safe Work Australia workplace exposure standards.
CERCLA reportable quantity
No entryNo entry for CAS 121-33-5 in 40 CFR 302.4 as read on September 24, 2026.
EPCRA Tier II threshold
No entryNot on the Extremely Hazardous Substances list, so the general 10,000 lb Tier II threshold applies where an SDS is required.
Common applications
- · Food flavoring
- · Fragrances
- · Pharmaceutical intermediate
- · Animal feed flavor
Sourcing documentation chain
Every shipment of Vanillin from China should include a per-batch COA, a current SDS per GB/T 17519 on the China side and the destination jurisdiction's standard on the import side, a packing list, a bill of lading, and a certificate of origin. For Incoterms reference see FOB, CIF, and CFR.
Sourcing Vanillin?
Tell us the chemical, grade and quantity. A person on our team in Shanghai sends you a real, checked factory, and your first one is free.
Free download
Free PDF: the MSDS verification template Sourzi runs against the supplier sheet for every CAS number we book out of China.