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Description
Catalogue Number	818718
Synonyms	4-Hydroxy-3-methoxybenzaldehyde

Applications
Application	Vanillin for synthesis. CAS No. 121-33-5, EC Number 204-465-2.

Physicochemical Information
Density	1.06 g/cm3 (20 °C)
Flash point	159.8 – 160.8 °C
Ignition temperature	>400 °C
Melting Point	81 – 83 °C
pH value	4.3 (10 g/l, H₂O, 20 °C)
Vapor pressure	0.0029 hPa (25 °C)
Bulk density	600 kg/m3
Solubility	9 g/l

Toxicological Information
LD 50 oral	LD50 Rat >= 4200 mg/kg
LD 50 dermal	LD50 Rabbit > 5010 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H319: Causes serious eye irritation.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling. P280: Wear eye protection/ face protection. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word	Warning
Storage class	10 – 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Categories of danger	irritant

Storage and Shipping Information
Storage	Store below +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

Merck 818718 0100 Vanilin For Synthesis 100 GR.